MJC      Mary Johnson Consulting: Publications, etc.

 

 

Latest:

 

Johnson M.L. (Summer 2007) Durability testing of filled emeralds. Gems & Gemology, Vol. 43, pp. 120-137.

 

 

 

 

PUBLICATIONS, TALKS WITH ABSTRACTS, EXHIBITS, and awards

MARY LOUISE JOHNSON, Ph.D.

 

 

A. PUBLICATIONS (Scientific and Technical Press)

 

1.      Johnson, M. L. (1982) The Effect of Substitutions on the Physical Properties of Tetrahedrite. PhD. Thesis, Harvard University, Cambridge Massachusetts, 336 pp.

 

2.      Johnson, M. L. and Jeanloz, R. (1983) A Brillouin-zone model for compositional variation in tetrahedrite. Amer. Mineral., Vol. 68, pp. 220-226.

 

3.      Jeanloz, R. and Johnson, M. L. (1984) A note on the bonding, optical spectrum and composition of tetrahedrite. Phys. Chem. Min., Vol. 11, pp. 52-54.

 

4.      Johnson, M. L. and Burnham, C. W. (1985) Crystal structure refinement of an arsenic-bearing argentian tetrahedrite. Amer. Mineral., Vol. 70, pp. 165-170.

 

5.      Johnson, M. L., Schwake, A., and Nicol, M. (1985) Partial phase diagram for the system NH3-H2O: the water-rich region. In: Proc. NATO Conf. Ices in the Solar System, J. Klinger et al. (eds.), D. Reidel Publishing Co., Amsterdam, pp. 39-47.

 

6.      Nicol, M., Johnson, M. L. and Holmes, N. C. (1985) Chemiluminescence of shock-pyrolyzed benzene. Physica, Vol. 139-140 B&C, pp. 582-586.

 

7.      Boehler, R., Nicol, M., Zha, C.-S., and Johnson, M. L. (1986) Resistance heating of Fe and W in diamond-anvil cells. Physica, Vol. 139 & 140B, pp. 916-918.

 

8.      Johnson, M. L., Nicol, M, and Holmes, N. C. (1986) Molecular emission spectra from shock-decomposed benzene. In: Shock Waves in Condensed Matter, Y. Gupta (ed.), Plenum Press, New York, pp. 201-206.

 

9.      Boehler, R., Nicol, M., and Johnson, M. L. (1987) Internally heated diamond-anvil cell: Phase diagram and P-V-T of iron. In: High Pressure Research in Mineral Physics (Proceedings of a conference in Manoa, Hawaii), M. Maghnani and S. Akimoto (eds.), Terra Scientific Publishing Co., Tokyo / American Geophysical Union, Washington, D.C., pp. 173-176.

 

10.    Johnson, M. L. and Nicol, M. (1987) The ammonia-water phase diagram and its implications for icy satellites. J. Geophys. Res., Vol. 92, No. B7, pp. 6339-6349.

 

11.    Nicol, M. F., Holmes, N. C., and Johnson, M. L. (1987) Emission spectra from simple shocked solids. Institute of Geophysics and Planetary Physics 1986 Annual Report, Lawrence Livermore National Laboratory, #UCRL-53809, pp. 43-46.

 

12.    Kuehner, S. M., Laughlin, J. R., Grossman, L., Johnson, M. L. and Burnett, D. S. (1989) Determination of trace element mineral/liquid partition coefficients in melilite and diopside by ion and electron microprobe techniques. Geoch.et Cosmoch. Acta, Vol. 53, pp. 3115-3130.

 

13.    Johnson, M. L. and Burnett, D. S. (1990) Igneous origin for Na in the cloud of Io, Geophys. Res. Lett., Vol. 17, pp. 981-4.

 

14.    Hagee, B., Bernatowicz, T.J., Podosek, F. A., Johnson, M. L., Burnett, D. S., and Tatsumoto, M. (1990) Actinide abundances in ordinary chondrites. Geoch. et Cosmoch. Acta, Vol. 54, pp. 2847-2858.

 

15.    Hagee, B., Bernatowicz, T.J., Podosek, F. A., Johnson, M. L., Burnett, D. S., and Tatsumoto, M. (1991) Response to Comment by W. A. Myers and P. K. Kuroda on ``Actinide abundances in ordinary chondrites.'' Geoch. et Cosmoch. Acta, Vol. 55, pp. 2359-2363.

 

16.    Johnson, M. L. and Burnett, D. S. (1993) SO2-Rock Interaction on Io: Reaction under Highly Oxidizing Conditions. JGR Planets, Vol. 98, pp. 1223-1230.

 

17.    Simon, S., Kuehner, S.M., Davis, A.M., Grossman, L., Johnson, M. L., and Burnett, D. S. (in prep., ca. 1990) Experimental Studies of Trace Element Partitioning in Ca-Al-rich Compositions: Anorthite and Perovskite. Submitted to: Geochimica et Cosmochimica Acta.

 

18.    Wiens, R. C., Burnett, D. S. Armstrong, J. T., and Johnson, M. L. (in prep., ca. 1990) A Simple Method to Recognize and Correct for Surface Roughness in SEM EDS Analyses. Submitted to: Microbeam Analysis.

 

19.    Johnson, M. L. (February 1994) The Tetrahedrite Zoo and the Tetrahedrite Bestiary: Possible, Impossible, and Improbable Endmembers.” The Mineralogical Record, Vol. 25, p. 74.

 

20.    Kammerling, R. C., Koivula, J. I., Fritsch, E., Johnson, M. L., and DeGhionno D. (Summer 1994), Gem News. Gems & Gemology, Vol. 30, pp. 122-132.

 

21.    Kammerling, R. C., McClure, S. F., Johnson, M. L., Koivula, J. I., Moses, T. M., Fritsch, E., and Shigley, J. E. (Fall 1994) An Update on Filled Diamonds: Identification and Durability. Gems & Gemology, Vol. 30, pp. 142-177.

 

22.    Kammerling, R. C., Koivula, J. I., Fritsch, E., Johnson, M. L., and DeGhionno D. (Fall 1994), Gem News. Gems & Gemology, Vol. 30, pp. 191-201.

 

23.    Kammerling, R. C., Koivula, J. I., Fritsch, E., Johnson, M. L., and DeGhionno D. (Winter 1994), Gem News. Gems & Gemology, Vol. 30, pp. 271-280.

 

24.    Kammerling, R. C., Koivula, J. I., Fritsch, E., Johnson, M. L., and DeGhionno D. (Spring 1995), Gem News. Gems & Gemology, Vol. 31, pp. 59-71.

 

25.    Kammerling, R. C., McClure, S. F., Johnson, M. L., Koivula, J. I., Moses, T. M., Fritsch, E., and Shigley, J. E. (Summer 1995) “Onderzoek Naar Vullen Van Breuken in Diamant.” Holland Gem, 1ste Jaargung, Zomer 1995, pp. 7-13.

 

26.    Kammerling, R. C., Koivula, J. I., Fritsch, E., Johnson, M. L., and DeGhionno D. (Summer 1995), Gem News. Gems & Gemology, Vol. 31, pp. 129-139.

 

27.    Kammerling, R. C. and Johnson, M. L. (1995) An Examination of ‘Serendipitous’ Synthetic Zincite. Journal of Gemmology, Vol. 24, No. 8, 1995, pp. 563-568.

 

28.    Johnson, M. L., Boehm E., Krupp, H., Zang, J. M., and Kammerling, R. C. (Fall 1995) Gem-Quality Grossular-Andradite: A New Garnet from Mali. Gems & Gemology, Vol. 31, pp. 152-166.

 

29.    Johnson, M. L., Mercer, M. E., Fritsch E., Maddison, P., and Shigley, J. E. (Fall 1995) Ti-Sapphire: Czochralski-Pulled Synthetic Pink Sapphire from Union Carbide. Gems & Gemology, Vol. 31, pp. 188-195.

 

30.    Kammerling, R. C., Koivula, J. I., Johnson, M. L., Fritsch, E., DeGhionno, D., Hänni, H. A., Schmetzer, K. (Fall 1995) Gem News. Gems & Gemology, Vol. 31, pp. 204-216.

 

31.    Kammerling, R. C., Koivula, J. I., Johnson, M. L., DeGhionno, D., Hänni, H. A., Schmetzer, K. (Winter 1995) Gem News. Gems & Gemology, Vol. 31, pp. 274-287.

 

32.    Ahrens, T. J. and Johnson, M. L. (1995) “Shock Wave Data for Minerals.” AGU Reference Shelf 2, Mineral Physics & Crystallography, A Handbook of Physical Constants, pp. 143-184.

 

33.    Ahrens, T. J. and Johnson, M. L. (1995) “Shock Wave Data for Rocks.” AGU Reference Shelf 3, Rock Physics & Phase Relations, A Handbook of Physical Constants, pp. 35-44.

 

34.    Kammerling, R. C., McClure, S., and Johnson, M. (1995) Glass That Looks Like Fire Opal. South African Gemmologist, Vol. 9, No. 3, p. 29.

 

35.    Koivula, J. I., Kammerling, R. C., DeGhionno, D., Reinitz, I., Fritsch, E., and Johnson, M. L. (Spring 1996) Gemological Investigation of a New Type of Russian Hydrothermal Synthetic Emerald. Gems & Gemology, Vol. 32, pp. 32-39.

 

36.    Johnson, M. L., Koivula, J. I., DeGhionno, D., Kammerling, R. C., McClure, S. F., Hänni, H. A., Schmetzer K. (Spring 1996) Gem News. Gems & Gemology, Vol. 32, pp. 52-62.

 

37.    Burnett, D. S., Goreva, J., Haldemann, S. L., Johnson, M. L., Rice, A., and Epstein, S., (1997) SO2-Rock Interaction on Io: 2. Interaction with pure SO2. Journal of Geophysical Research, Vol. 102, No. E8, pp. 19371-19382,

 

38.    Kammerling, R. C., Johnson, M. L., and Liu, Y. (1996) An Examination of Colour-Change Sapphires from Tanzania. The Australian Gemmologist, Vol. 19, pp. 255-258.

 

39.    Johnson, M. L., Kammerling, R. C., DeGhionno, D. G., and Koivula J. I. (Summer 1996) Opal from Shewa Province, Ethiopia. Gems & Gemology, Vol. 32, pp. 112-120.

 

40.    Johnson, M. L., Koivula, J. I., DeGhionno, D., Kammerling, R. C., McClure, S. F., Hänni, H. A., Schmetzer K. (Summer 1996) Gem News. Gems & Gemology, Vol. 32, pp. 128-140.

 

41.    Johnson, M. L., Koivula, J. I., DeGhionno, D., Kammerling, R. C., McClure, S. F., Hänni, H. A., Schmetzer K. (Fall 1996) Gem News. Gems & Gemology, Vol. 32, pp. 214-222.

 

42.    Johnson, M. L., McClure, S. F., and DeGhionno, D. G. (Winter 1996) Some Challenges in the Identification of Black Opaques. Gems & Gemology, Vol. 32, pp. 252-261.

 

43.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Hänni, H. A., Schmetzer K. (Winter 1996) Gem News. Gems & Gemology, Vol. 32, pp. 282-292.

 

44.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Spring 1997) Gem News. Gems & Gemology, Vol. 33, pp. 60-70.

 

45.     Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Summer 1997) Gem News. Gems & Gemology, Vol. 33, pp. 142-152.

 

46.    Johnson, M. L., Wentzell, C. Y., and Elen, S. (Fall 1997) Multicolored Bismuth-Bearing Tourmaline from Lundazi, Zambia. Gems & Gemology, Vol. 33, pp. 204-211.

 

47.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Fall 1997) Gem News. Gems & Gemology, Vol. 33, pp. 220-230.

 

48.    Moses T. M., Reinitz I. M., Johnson, M. L., King, J. M., and Shigley J. E. (Winter 1997) A Contribution to Understanding the Effect of Blue Fluorescence on the Appearance of Diamonds. Gems & Gemology, Vol. 33, pp. 244-259.

 

49.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Winter 1997) Gem News. Gems & Gemology, Vol. 33, pp. 298-310.

 

50.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Spring 1998) Gem News. Gems & Gemology, Vol. 34, pp. 50-63.

 

51.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Summer 1998) Gem News. Gems & Gemology, Vol. 34, pp. 134-145.

 

52.    Hemphill T. S., Reinitz I.M., Johnson M.L., and Shigley J. E. (Fall 1998) Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Brilliance. Gems & Gemology, Vol. 34, pp. 158-183.

·           Also translated into Japanese, courtesy GIA Japan

 

53.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Fall 1998) Gem News. Gems & Gemology, Vol. 34, pp. 218-230.

 

54.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Winter 1998) Gem News. Gems & Gemology, Vol. 34, pp. 290-302.

 

55.    Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F., Fritsch, E., Hänni, H. A., Schmetzer K. (Spring 1999) Gem News. Gems & Gemology, Vol. 35, pp. 47-60.

 

56.    Johnson M.L., Elen S., and Muhlmeister S. (Summer 1999) On the Identification of Various Emerald Filling Substances. Gems & Gemology, Vol. 35, pp. 82-107.

 

57.    Johnson M.L. (Winter 2000) Technological Developments in the 1990s: Their Impact on Gemology. Gems & Gemology, Vol. 36, pp. 380-396.

 

58.    Reinitz, I.M., Johnson M.L., Hemphill T.S., Gilbertson A.M., Geurts R.H., Green, B.D., and Shigley J.E. (Fall 2001) Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Fire, and More about Brilliance. Gems & Gemology, Vol. 37, pp. 174-197.

 

59.    Johnson M.L. (Summer 2007) Durability testing of filled emeralds. Gems & Gemology, Vol. 43, pp. 120-137.

 

 

B. PATENT APPLICATIONS

 

1.      Reinitz, I.M., Johnson, M.L., Shigley, J. E., Hemphill T.S. “Systems and methods for evaluating the appearance of a gemstone,” U.S. Patent application 09/687,759, applied for 10/12/00; European Patent Office application 01979831.3-2204-US132177, applied for 10/11/01.

 

2.      Johnson M. L., Gilbertson A., “Apparatus and Method for Providing Spot Lighting for Gemstone Observation,” U. S. Patent applied for, April 14, 2002.

 

 

C. SHORT NOTES (Gem Trade Lab Notes and Abstracts)

 

1.      Johnson, M. L. (Spring 1994) Magnetic Hercynite, a Warning about Magnetic Cards. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, p. 43.

 

2.      Fryer, C. W. (Spring 1994) Gemological Abstracts. Gems & Gemology, Vol. 30, pp. 62-70. (2 abstracts by MLJ.)

 

3.      Crowningshield, G. R. and Johnson, M. L. (Summer 1994) Jadeite with Metallic Inclusions. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 117-118.

 

4.      Fryer, C. W. (Summer 1994) Gemological Abstracts. Gems & Gemology, Vol. 30, pp. 135-140. (2 abstracts by MLJ.)

 

5.      Johnson, M. L., DeGhionno, D., and Maddison, P. (Fall 1994) Ceramic Statue. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, p. 184.

 

6.      Reinitz, I. and Johnson, M. L. (Fall 1994) Diamond, Americium-Treated Green Diamond. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, p. 185.

 

7.      Johnson, M. L. (Fall 1994) Unusual Triangular Inclusion in a Diamond. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 185-186

 

8.      Crowningshield, G. R., Johnson, M. L., and Reinitz, I. (Fall 1994) Iron-Rich Hornblende. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 186-187.

 

9.      Kammerling, R. C. and Johnson, M. L. (Fall 1994) Serpentine and Forsterite Rock. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 189-190.

 

10.  Fryer, C. W. (Fall 1994) Gemological Abstracts. Gems & Gemology, Vol. 30, pp. 207-216. (8 abstracts by MLJ.)

 

11.  Johnson, M. L., DeGhionno, D., Maddison, P., and Reinitz, I. (Winter 1994) Diamond, Light Yellow Treated Color. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, p. 264.

 

12.  Johnson, M. L. (Winter 1994) Feldspar, Separating Alkali from Plagioclase Species. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, p. 265.

 

13.  Hurwit, K., Johnson, M. L., and Fritsch, E. (Winter 1994) Grossular-Andradite Garnet from Mali, West Africa. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 265-266.

 

14.  Johnson, M L., Koivula, J. I., and Wentzell, C. Y. (Winter 1994) Spotted Malachite, Imitation and Natural. Gem Trade Lab Notes. Gems & Gemology, Vol. 30, pp. 267-268.

 

15.  Fryer, C. W. (Winter 1994) Gemological Abstracts. Gems & Gemology, Vol. 30, pp. 282-290. (3 abstracts by MLJ.)

 

16.  Johnson, M. L. (Spring 1995) Alexandrite, with Pleochroic Twinned Growth Zones. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 52.

 

17.  Kammerling, R. C., Maddison, P., and Johnson, M. L. (Spring 1995) Emerald, with Unusual Flash-Effect Colors. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 54.

 

18.  Johnson, M. L. (Spring 1995) Spinel, Natural with a Dendritic Inclusion. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 58.

 

19.  Fryer, C. W. (Spring 1995) Gemological Abstracts. Gems & Gemology, Vol. 31, pp. 77-84. (2 abstracts by MLJ.)

 

20.  Johnson, M. L. and Maddison, P. (Summer 1995) Diamond With Strain Phantom. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, pp. 120-121.

 

21.  Johnson, M. L. and Koivula, J. I. (Summer 1995) Jadeite Jade, with Misleading Inclusions. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, pp. 123-124.

 

22.  Johnson, M. L. and Kammerling, R. C. (Summer 1995) Omphacite Rock Carving. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 124.

 

23.  Johnson, M. L., McClure, S. F., and DeGhionno, D. (Summer 1995) Azurite and Antlerite Rock. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 120.

 

24.  Fryer, C. W. (Summer 1995) Gemological Abstracts. Gems & Gemology, Vol. 31, pp. 142-148. (7 abstracts by MLJ.)

 

25.  Johnson, M. L., Kammerling, R. C. and McClure, S. F. (Fall 1995) Opal, Glass Imitation Mexican. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, pp. 201-202.

 

26.  Fryer, C. W. (Fall 1995) Gemological Abstracts. Gems & Gemology, Vol. 31, pp. 218-226. (22 abstracts by MLJ.)

 

27.  Johnson, M. L. (Winter 1995) Diamond, Fancy Black, with Iron. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 266.

 

28.  Johnson, M. L., McClure, S. F., and DeGhionno, D. (Winter 1995) Diamond: Fracture-Filled with Unusual Material. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 266.

 

29.  Johnson, M. L., McClure, S. F., Kammerling, R. C., and Fritsch, E. (Winter 1995) Synthetic Quartz, Green and Yellow Bicolor. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 268.

 

30.  Johnson, M. L. (Winter 1995) Magnetic Serpentine. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, pp. 271-272.

 

31.  Johnson, M. L. (Winter 1995) Spinel, with Högbomite (?) Inclusions. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 272.

 

32.  Johnson, M. L. (Winter 1995) Zircon, with Phantom Planes. Gem Trade Lab Notes. Gems & Gemology, Vol. 31, p. 273.

 

33.  Fryer, C. W. (Winter 1995) Gemological Abstracts. Gems & Gemology, Vol. 31, pp. 289-297. (20 abstracts by MLJ.)

 

34.  Johnson, M. L. (Spring 1996) Grossular Garnet-Bearing Rock, Resembling Impregnated Jadeite. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, pp. 45-47.

 

35.  Johnson, M. L. (Spring 1996) Jadeite Jade with Copper Inclusions. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, pp. 46-47.

 

36.  Johnson, M. L., McClure, S. F., and DeGhionno, D. (Spring 1996) Periclase, Possible Confusion with Grossular Garnet. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, pp. 48-49.

 

37.  Johnson, M. L. and Kammerling, R. C. (Spring 1996) Synthetic Ruby, With Fanciful Polishing Marks. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, p. 50.

 

38.  Fryer, C. W. (Spring 1996) Gemological Abstracts. Gems & Gemology, Vol. 32, pp. 70-78. (17 abstracts by MLJ.)

 

39.  Garcia y Consuegra, L. G. (May/June 1996) Piedras preciosas. (Unauthorized translation into Spanish of several items in Gem Trade Lab Notes and Gem News.) Gold & Time, No. 20, pp. 38-39.

 

40.  Johnson, M. L. and Moses, T. (Summer 1996) Pyrope Garnet. Gem Trade Lab Notes, Gems & Gemology, Vol. 32, pp. 124-125.

 

41.  Fryer, C. W. (Summer 1996) Gemological Abstracts. Gems & Gemology, Vol. 32, pp. 143-150. (11 abstracts by MLJ.)

 

42.  McClure, S. F. and Johnson, M. L. (Fall 1996) Aragonite. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, p. 204.

 

43.  Johnson, M. L. (Fall 1996) Herderite. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, p. 208.

 

44.  Fryer, C. W. (Fall 1996) Gemological Abstracts. Gems & Gemology, Vol. 32, pp. 225-230. (12 abstracts by MLJ.)

 

45.  Johnson, M.L. (Winter 1996) Diamond, Fracture Filled. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, p. 278.

 

46.  Johnson M.L. and McClure, S.F. (Winter 1996) Imitation Star Ruby. Gem Trade Lab Notes. Gems & Gemology, Vol. 32, pp. 280-281.

 

47.  Fryer, C. W. (Winter 1996) Gemological Abstracts. Gems & Gemology, Vol. 32, pp. 295-301. (5 abstracts by MLJ.)

 

48.  Johnson M.L. and McClure, S.F. (Spring 1997) Quartz, Cat’s-eye Effect Caused by Large Rutile Needles. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 59.

 

49.  Fryer, C. W. (Spring 1997) Gemological Abstracts. Gems & Gemology, Vol. 33, pp. 73-78. (6 abstracts by MLJ.)

 

50.  Johnson M.L., McClure, S.F., DeGhionno D., and Owens, P. (Summer 1997) Etched Chalcedony. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 134.

 

51.  Johnson M.L., McClure, S.F., DeGhionno D., and Owens, P. (Summer 1997) Star Feldspar. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 137.

 

52.  Johnson M.L. and McClure, S.F. (Summer 1997) Jadeite Jade, Cavity Impregnated with a Colored Filler. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 138.

 

53.  Johnson M.L., McClure, S.F., and DeGhionno D. (Summer 1997) Jadeite Jade, Dyed Impregnated Bangle without a “Dye Band” Spectrum. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 138-139.

 

54.  Johnson M.L. and McClure, S.F. (Summer 1997) Ruby, Assembled Imitation. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 139-140.

 

55.  Reinitz I., and Johnson M.L. (Summer 1997) Serendibite, a Rare Gemstone. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 140-141.

 

56.  Fryer, C. W. (Summer 1997) Gemological Abstracts. Gems & Gemology, Vol. 33, pp. 156-162. (16 abstracts by MLJ.)

 

57.  Johnson M.L. and McClure, S.F. (Fall 1997) Diamond, with Surface Droplets of Filling Material. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 213-214.

 

58.  Johnson M.L., DeGhionno D., and Owens, P. (Fall 1997) A Faceted Cat’s-eye Emerald. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 214.

 

59.  Johnson M.L. (Fall 1997) Jadeite Jade, Resembling Nephrite Jade. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, p. 215.

 

60.  Fryer, C. W. (Fall 1997) Gemological Abstracts. Gems & Gemology, Vol. 33, pp. 235-242. (15 abstracts by MLJ.)

 

61.  Johnson M.L. (Winter 1997) Diamond, Acting as a Heat Sink. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 293-294.

 

62.  Johnson M.L., McClure, S.F., and Koivula J. I. (Winter 1997) Garnet, A Very Dark Pyrope-Almandite Identified by Raman Spectroscopy. Gem Trade Lab Notes. Gems & Gemology, Vol. 33, pp. 295-296.

 

63.  Levinson, A. A. (Winter 1997) Gemological Abstracts. Gems & Gemology, Vol. 33, pp. 312-322. (25 abstracts by MLJ.)

 

64.  Reinitz I., and Johnson M.L. (Spring 1998) Hemimorphite, Rough and Fashioned. Gem Trade Lab Notes. Gems & Gemology, Vol. 34, pp. 44-45.

 

65.  Reinitz I., and Johnson M.L. (Spring 1998) Mother-of-Pearl Doublet. Gem Trade Lab Notes. Gems & Gemology, Vol. 34, pp. 45-46.

 

66.  Levinson, A. A. (Spring 1998) Gemological Abstracts. Gems & Gemology, Vol. 34, pp. 68-78. (14 abstracts by MLJ.)

 

67.  Johnson M.L., Reinitz I., and Owens, P. (Summer 1998) Manufactured Glass, represented as “Green Obsidian.” Gem Trade Lab Notes. Gems & Gemology, Vol. 34, pp. 129-130.

 

68.  Reinitz I., and Johnson M.L. (Summer 1998) Quartzite, Dyed to Imitate Sugilite. Gem Trade Lab Notes. Gems & Gemology, Vol. 34, pp. 131-132.

 

69.  Levinson, A. A. (Summer 1998) Gemological Abstracts. Gems & Gemology, Vol. 34, pp. 150-156. (5 abstracts by MLJ.)

 

70.  Johnson M.L., McClure S.F., DeGhionno D., Koivula J. I., and Owens P. (Fall 1998) Quartz: A Large “Crystal Ball.” Gem Trade Lab Notes. Gems & Gemology, Vol. 34, pp. 216-217.

 

71.  Levinson, A. A. (Fall 1998) Gemological Abstracts. Gems & Gemology, Vol. 34, pp. 234-242. (15 abstracts by MLJ.)

 

72.  Hemphill T. S., Reinitz I.M., Johnson M.L., and Shigley J. E. (Winter 1998) Authors’ Reply [to M. Haske, “GIA ‘Cut’ Report Flawed?”]. Gems & Gemology, Vol. 34, pp. 243-244.

 

73.  Levinson, A. A. (Winter 1998) Gemological Abstracts. Gems & Gemology, Vol. 34, pp. 306-314. (3 abstracts by MLJ.)

 

74.  Levinson, A. A. (Spring 1999) Gemological Abstracts. Gems & Gemology, Vol. 35, pp. 65-76. (1 abstract by MLJ.)

 

75.  Johnson M.L. (Summer 1999) Bastnäsite: A Rare Faceted Example. Gem Trade Lab Notes. Gems & Gemology, Vol. 35, pp. 136-137.

 

76.  Johnson M.L. and McClure, S.F. (Summer 1999) Synthetic Forsterite, a New Tanzanite Imitation. Gem Trade Lab Notes. Gems & Gemology, Vol. 35, pp. 139-140.

 

77.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) First Diamonds from the Merlin Project, Australia. Gem News. Gems & Gemology, Vol. 35, pp. 143-144.

 

78.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) A Review of “GE-Processed” Diamonds. Gem News. Gems & Gemology, Vol. 35, pp. 144-145.

 

79.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Andradite (including Demantoid) from Canada. Gem News. Gems & Gemology, Vol. 35, p. 146.

 

80.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Trapiche Cat’s-Eye Emeralds. Gem News. Gems & Gemology, Vol. 35, pp. 146-147.

 

81.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Blue, Pink, and Purple Sapphires from Ilakaka, Madagascar. Gem News. Gems & Gemology, Vol. 35, pp. 149-150.

 

82.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Tanzanite Fluorescence: A Seldom-Noted Property. Gem News. Gems & Gemology, Vol. 35, pp. 150-151.

 

83.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Synthetic Beryl Showing Zoned Pleochroism. Gem News. Gems & Gemology, Vol. 35, pp. 152-153.

 

84.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Summer 1999) Pearl Branding: “Utopia” Cultured Pearls. Gem News. Gems & Gemology, Vol. 35, p. 154.

 

85.  Levinson, A. A. (Summer 1999) Gemological Abstracts. Gems & Gemology, Vol. 35, pp. 106-172. (1 abstract by MLJ.)

 

86.  Johnson M. (Winter 1999) In Reply [to A. Negueruela, “Comments on ‘Identification of Emerald Filling Substances.’”]. Gems & Gemology, Vol. 35, p.174.

 

87.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Matte-Finished Montana Agates. Gem News. Gems & Gemology, Vol. 35, p. 210.

 

88.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Dickite: Consider the Odds. Gem News. Gems & Gemology, Vol. 35, pp. 210-211.

 

89.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) “American Golden Opal” from Nevada. Gem News. Gems & Gemology, Vol. 35, p. 212.

 

90.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Ruby from Songea, Tanzania. Gem News. Gems & Gemology, Vol. 35, p. 215.

 

91.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Another Source for Bicolored Sapphire: Tunduru, Tanzania. Gem News. Gems & Gemology, Vol. 35, pp. 215-216.

 

92.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Spessartine from Zambia. Gem News. Gems & Gemology, Vol. 35, p. 217.

 

93.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Tremolite Rock from China, represented as “Longxi Jade.” Gem News. Gems & Gemology, Vol. 35, pp. 217-218.

 

94.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Tsavorite from Madagascar. Gem News. Gems & Gemology, Vol. 35, p. 218.

 

95.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Tsavorite from Madagascar. Gem News. Gems & Gemology, Vol. 35, p. 218.

 

96.  Johnson, M. L., and Muhlmeister, S. (Winter 1999) The Chemistry of Emerald Fillers. Gem News. Gems & Gemology, Vol. 35, p. 219.

 

97.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Hematite Coating on Heat-Treated Garnet. Gem News. Gems & Gemology, Vol. 35, p. 220.

 

98.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Factors in the Heat Treatment of Corundum. Gem News. Gems & Gemology, Vol. 35, pp. 220-221.

 

99.  Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) Manufactured Products Imitating Charoite. Gem News. Gems & Gemology, Vol. 35, pp. 221-222.

 

100.Johnson, M. L., Koivula, J. I., DeGhionno, D., McClure, S. F. (Winter 1999) More on “Internal” Carving: Now Done to Synthetic and Natural Quartz. Gem News. Gems & Gemology, Vol. 35, pp. 222-223.

 

101.Levinson, A. A. (Winter 1999) Gemological Abstracts. Gems & Gemology, Vol. 35, pp. 226-234. (2 abstracts by MLJ.)

 

102.Johnson, M. L., Koivula, J. I., McClure, S. F., Muhlmeister, S., and DeGhionno, D. (Spring 2000) Dumortierite. Gem Trade Lab Notes. Gems & Gemology, Vol. 36, pp. 62-63.

 

103.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Amphiboles Are Not Necessarily Jade. Gem News. Gems & Gemology, Vol. 36, pp. 66-67.

 

104.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Chitons in Jewelry. Gem News. Gems & Gemology, Vol. 36, p. 67.

 

105.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Unusual Copal. Gem News. Gems & Gemology, Vol. 36, pp. 67-68.

 

106.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Newly Commercial Emerald Deposits in Colombia (La Pita and Polveros). Gem News. Gems & Gemology, Vol. 36, p. 68.

 

107.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Some New Examples of Drusy Hematite. Gem News. Gems & Gemology, Vol. 36, pp. 68-69.

 

108.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Orbicular Jasper from Madagascar. Gem News. Gems & Gemology, Vol. 36, pp. 69.

 

109.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Colorful Nephrite. Gem News. Gems & Gemology, Vol. 36, pp. 69-70.

 

110.Wentzell, C., Tannous M., and Johnson, M. L. (Spring 2000) Tahitian and Australian “Keshi” Pearls. Gem News. Gems & Gemology, Vol. 36, pp. 70-71.

 

111.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Pyritized Ammonite from Russia, Sliced a New Way. Gem News. Gems & Gemology, Vol. 36, pp. 70-71.

 

112.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Another Locality in Paraíba for Cuprian Elbaite. Gem News. Gems & Gemology, Vol. 36, p. 73.

 

113.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Tugtupite and Other Gem Materials from Greenland. Gem News. Gems & Gemology, Vol. 36, pp. 73-74.

 

114.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Large Faceted Zircon. Gem News. Gems & Gemology, Vol. 36, p. 74.

 

115.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Also Seen at Tucson. Gem News. Gems & Gemology, Vol. 36, pp. 74-75.

 

116.Mayerson, W., and Johnson, M. L. (Spring 2000) Moonstone with Dichroic Backing. Gem News. Gems & Gemology, Vol. 36, p. 75.

 

117.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Bicolored Synthetic Beryl, Resembling Tourmaline. Gem News. Gems & Gemology, Vol. 36, pp. 76-77.

 

118.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Spring 2000) Bismuth Egg. Gem News. Gems & Gemology, Vol. 36, pp. 77-78.

 

119.Levinson, A. A. (Spring 2000) Gemological Abstracts. Gems & Gemology, Vol. 36, pp. 85-92. (1 abstract by MLJ.)

 

120.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Summer 2000) New Diamond Cut: “Tycoon Cut.” Gem News. Gems & Gemology, Vol. 36, p. 160.

 

121.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Summer 2000) Unusual Treated Chalcedony. Gem News. Gems & Gemology, Vol. 36, pp. 170-171.

 

122.Levinson, A. A. (Summer 2000) Gemological Abstracts. Gems & Gemology, Vol. 36, pp. 176-188. (1 abstract by MLJ.)

 

123.Johnson, M. L. and McClure, S. F. (Fall 2000) Ruby, An Investigation of Fracture Fillers in Mong Hsu Rubies. Gem Trade Lab Notes. Gems & Gemology, Vol. 36, pp. 257-259.

 

124.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Fall 2000) Mosaic Ammonite. Gem News. Gems & Gemology, Vol. 36, pp. 261-262.

 

125.Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Fall 2000) Fresnoite: A First Examination. Gem News. Gems & Gemology, Vol. 36, pp. 264-266.

 

126.    Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Fall 2000) Rubies (and Sapphires) from Colombia. Gem News. Gems & Gemology, Vol. 36, pp. 268-269.

 

127.    Johnson, M. L., Koivula, J. I., McClure, S. F., and DeGhionno, D. (Fall 2000) Tourmaline with an Apparent Change-of-Color in One Pleochroic Direction. Gem News. Gems & Gemology, Vol. 36, pp. 270-271.

 

128.    Levinson, A. A. (Fall 2001) Gemological Abstracts. Gems & Gemology, Vol. 37, pp. 249-258. (1 abstract by MLJ.)

 

129.    Reinitz, I.M., Johnson M.L., Hemphill T.S., Gilbertson A.M., Geurts R.H., Green, B.D., and Shigley J.E. (Summer 2002) Reply [to G. Kaplan, “Comment on the GIA Analysis of ‘Fire’”]. Gems & Gemology, Vol. 38, pp. 126-127.

 

130.    Johnson, M. L. (Fall 2003) Update on Diamond Mining and Exploration in the Slave Province, NWT, and Northern Alberta, Canada. Gem News International. Gems & Gemology, Vol. 39, pp. 222-225.

 

131.    Johnson, M. L. and Shigley J. E. (Fall 2003) 8th International Kimberlite Conference. Gem News International. Gems & Gemology, Vol. 39, pp. 245-248.

 

132.    Johnson, M. L. (Spring 2004) “Science of Gem Materials” Session at the MRS Meeting. Gem News International. Gems & Gemology, Vol. 40, pp. 83-84.

 

 

 D. PUBLICATIONS (including Popular, Hobby and Trade Press)

 

Note: The One:One was the magazine of the Organization for Women at Caltech.

 

1.      Johnson, M. L. (February 1987) The Ethical Issues of Raising a Ruckus (or Not Raining One) [Review of Lying: Moral Choice in Private and Public Life and Secrets: On the Ethics of Concealment and Revelation by Sissela Bok.] One:One, Vol. 7, #3, pp. 12-13.

 

2.      Johnson, M. L. (1988) Benitoite -- this year's theme mineral. Bulletin of the Mineralogical Society of Southern California, No. 611, pp. 3-5.

 

3.      Johnson, M. L. (Summer 1989) Summer Reading [Reviews of Their Eyes Were Watching God by Zora Neale Hurston, Queen's Gambit by Walter Tevis, Desperadoes by Ron Hansen, Fly Away Home and Gone to Soldiers by Marge Piercy, and Gyn/Ecology by Mary Daly]. One:One, Vol. 10, #2, p. 8.

 

4.      Johnson, M. L. (May 1990) The Outside World [Interview of Pam Jones, Lunar and Planetary Science Institute, Houston, Texas]. One:One, Vol. 11, #1, p. 8.

 

5.      Johnson, M. L. (July 1990) Meet Mother Earth [Review of Gaia: A New Look at Life on Earth by J. E. Lovelock]. One:One, Vol. 11, # 2, p. 10.

 

6.      Johnson, M. L. (July 1990) OWC General Meeting. One:One, Vol. 11, # 2, p. 11.

 

7.      Johnson, M. L. (July 1990) [Untitled] reply to letter on recycling at Caltech. One:One, Vol. 11, # 2, p. 12.

 

8.      No Byline (Johnson, M. L.) (October 1990) A Short Study of the Psychology of Caltech Undergraduates. One:One, Vol. 11, #3, pp. 3-4.

 

9.      Johnson, M. L. (October 1990) A Guest Volley. One:One, Vol. 11, #3, p. 9.

 

10.  Johnson, M. L. (October 1990) You Need a Revolution to Become a Grandmother These Days… [Review of The Second Stage by Betty Friedan]. One:One, Vol. 11, #3, pp. 9-10.

 

11.  Johnson, M. L. (January 1991) The Caltech Quality of Life Survey. One:One, Vol. 11, #4, pp. 1-2, 10-11.

 

12.  Johnson, M. L. (March 1991) Robin Hurt and Friends at the Sunset, Sierra Madre, 1/15/91. One:One, Vol. 11, #5, p. 10.

 

13.  Johnson, M. L. (June 1991) How the Women's Movement Benefits Science: Two Views. One:One, Vol. 11, #6, pp. 4, 10.

 

14.  Johnson, M. L. (December 1991) The Face in the Mirror [Review of Women Scientists in America: Struggles and Strategies to 1940 by Margaret W. Rossiter]. One:One, Vol. 11, #7, pp. 10-11.

 

15.  Kammerling, R. C., Johnson, M. L., and Moses, T. M. (February 1995) Describing Aggregate Gem Materials. ICA Gazette, p. 7.

 

16.  Kammerling, R. C., Johnson, M. L., and Moses, T. M. (April 1995) Describing Aggregate Gem Materials. Wahroongai News, Vol. 29, No. 4, p. 13.

 

17.  [No Author listed] (April 1995). GIA Lab Experts Explains Technique to Identify Aggregate Gem Materials. American Gemcutter, Vol. ???, No. ???, p. 15

 

18.  Kammerling, R. C., Johnson, M. L., and Moses, T. M. (May 1995) Describing Aggregate Gem Materials. Bangkok Gems & Jewellery, Vol. 8, No. 10, pp. 62-66.

 

19.  Kammerling, R. C., McClure, S. F., Johnson, M. L., Koivula, J. I., Moses, T. M., Fritsch, E., and Shigley, J. E. (May 1995) GIA Updates Identification and Durability of Filled Diamonds. Europa Star, No. 209-2, (not paginated; 4 pages).

 

20.  Kammerling, R. C., Johnson, M. L., and Koivula, J. I. (June 1995) Pakistan a New Source of Peridot; Output 100 Kilograms.  Jewellery News Asia, No. 130, pp. 100-104.

 

21.  Kammerling, R. C., Johnson, M. L. and McClure, S. F. (1995) Laboratory Alert No. 85, Glass Imitations of “Mexican” Opal. International Colored Gemstone Association, August 24, 1995.

22.  Johnson, M. L. and Kammerling, R. C. (September 1995) Some Interesting Examples of “B-Jade” Examined at The GIA Gem Trade Laboratory. Hong Kong Jewellery, Vol. 3, No. 67, pp. 118-121.

 

23.  Kammerling, R. C., Moses, T. M., and Johnson, M. L. (September/October 1995) Categorizing Gemstone Treatments. Colored Stone, Vol. 8, No. 5, p. 112.

 

24.  Kammerling, R. C., McClure, S. F., and Johnson, M. L. (October 1995) Glass Imitation of Fire Opal. Jewellery News Asia, No. 134, pp. 52-54.

 

25.  Johnson, M. L., Kammerling, R. C., and Reinitz, I. (October 1995) How to Use Infrared Spectrometry to Detect Treatments, Synthetics. Bangkok Gems & Jewellery, No. 134, pp. 62-68.

 

26.  Kammerling, R. C. and Johnson, M. L. (November 1995) Some Unusual Inclusions in Diamonds Examined by the GIA Gem Trade Laboratory. Bangkok Gems & Jewellery, Vol. 9, No. 4, pp. 66-69.

 

27.  Kammerling, R. C., Moses, T. M., and Johnson, M. L. (November/December1995) Describing Gemstone Treatments: An Overview. Jewellery Review, Vol. 6/95, pp. 158-162.

 

28.  Johnson, M. L., Crowningshield, G. R., Kammerling, R. C., Reinitz, I., and Liu, Y. (December 1995) Some Interesting Examples of Jade-Like Rocks Examined at The GIA Gem Trade Laboratory. Hong Kong Jewellery, Vol. 4, No. 68, pp. 109-111.

 

29.  Johnson, M. L., Kammerling, R. C., and Reinitz, I. (1995) Infrared Spectrometry: Applications in Gemmology. Jewellery News Asia, submitted August, 1995.

 

30.  Kammerling, R. C., Johnson, M. L., and Koivula, J. I. (1995) Examining Impregnated Synthetic Opal. Jewellery News Asia, submitted August, 1995.

 

31.  Johnson, M. L. (April 1996) Minutes from the Meeting in Pomona, November 1995, Journal of the Geo-Literary Society, Vol. 11, No. 2, April 1996, p. 2.

 

32.  DeMaggio, M., Johnson, M. L., and Kammerling, R. C. (May 1996) Non-Phenomenal Opal, Gem Material Examined by the GIA Gem Trade Laboratory. Bangkok Gems & Jewellery, Vol. 9, No. 10, pp. 48-49.

 

33.  Johnson, M. L. and DeMaggio, M. (June 1996) Platinum Alloy as a Gem Material Examined by the GIA Gem Trade Laboratory. Bangkok Gems & Jewellery, Vol. 9, No. 11, pp. 110-111.

 

34.  Kammerling R.C., McClure S.F., Johsnon M.L., Koivula J.I., Moses T.M., Fritsch E., and Shigley J.E. (1996) Diamantes con Fisuras Rellenadas. Instituto Gemologico Español, Vol. 37, pp. 20-40.

 

35.  Johnson M. (May 1997) New Colour-Change Garnet Site Found. Jewellery News Asia, No. 153, pp. 92-93.

 

36.  Johnson M. (August 1997) Flash Colours in a Fracture-Filled Diamond. Jewellery News Asia, No. 156, p. 144.

 

37.  Johnson M., McClure S., Koivula J., and Moses T. (January 1998). How to Detect Clarity Enhancement in Emeralds. Modern Jeweler, Vol. 97, No. 1, pp. 58, 60-61.

 

38.  Moses, T. M., King, J. M., Reinitz I. M., Johnson, M. L., and Shigley, J. E. (Spring 1998) Fluorescence and its effect on the appearance of diamond. The Loupe, Vol. 7, No. 2, Spring 1998, p. 19.

 

39.  Moses, T. M., King, J. M., Reinitz I. M., Johnson, M. L., and Shigley, J. E. (April 3, 1998) Is Blue Fluorescence Bad News? Rapaport Diamond Report, Vol. 21, No. 13, pp. 15, 20-21, 64.

 

40.  Johnson, M.L. (December 1998) Fracture-filled emerald update. Taiwan Jewellery, No. 36, pp. 89-92.

 

41.  Moses, T. M., Reinitz I. M., Johnson, M. L., and Shigley, J. E. (January 8, 1999) GIA Sets Science to Work on Cut Question. Rapaport Diamond Report, Vol. ??, No. ??, pp. 62-63, 65.

 

42.  Johnson, M. L. (March 1999) GIA’s Study: Clarifications. Professional Jeweler, Vol. ??, No. ??, p. 16.

 

43.  Johnson, M. L. (Fall 1999) Identifying Emerald Filling Substances. The Loupe, Vol. 8, No. 4, Fall 1999, p. 21.

 

44.  Johnson, M.L. (November-December 1999) Identifying Emerald Filling Substances. Gem World [Jaipur, India], Vol. 26, No. 6, p. 24.

 

45.  Johnson, M. L. (Winter 1999) Gem Minerals of Victoria. [Book review] Gems & Gemology, Vol. 35, p. 225.

 

46.  Johnson, M. L. (May 2000) Geoliterary Society Meeting Minutes. Journal of the Geo-Literary Society, Vol. 15, No. 2, p. 3.

 

47.  Johnson M.L. (May 5, 2000) Letter to the Editor. Rapaport Diamond Report, Vol. ??, No. ??, p. 11.

 

48.  Johnson M.L. (July 28, 2000) Letter to the Editor. Rapaport Diamond Report, Vol. 23, No. 27, pp. 11, 103.

 

49.  Flora D., Johnson M., Koivula J., McClure S., Moses T., Reinitz I., Shigley J., and York, P. (Summer 2000), A Chart for the Separation of “Colorless” Diamond and Imitation Materials. Chart accompanying The Loupe, Vol. 9, No. 3.

 

50.  Green B., Gilbertson A., Johnson M., and Shigley J. (Summer 2001) GIA and its history with cut. The Loupe, Vol. 10, No. 3, pp. 22–23.

 

51.  Johnson, M.L. (May 1, 2007) Gemological answers: What are HPHT-treated diamonds? National Jeweler, p. 54.

 

 

E. INTERNET ARTICLES

 

Note: All these may be found on http://www.gia.edu/research/ as articles in the series “GIA on Diamond Cut”

 

1.      Green B., King J., Cino K., Johnson M., and Shigley J. (June 8, 2001) Cut-The Least Understood "C."  http://www.gia.edu/research/1383/2313/article_detail.cfm

2.      Green B., Gilbertson A., Johnson M., and Shigley J. (June 22, 2001) GIA and its History with Cut.  http://www.gia.edu/research/1383/2310/article_detail.cfm

3.      Green B., Reinitz I., Johnson M., and Shigley J. (July 6, 2001) Diamond Optics Part 1: Reflection, Refraction and Critical Angle. http://www.gia.edu/research/1383/2309/article_detail.cfm

4.      Green B., Reinitz I., Gilbertson A., Johnson M., and Shigley J. (July 20, 2001) Diamond Optics Part 2: Light Dispersion, Color Wavelengths and Fire. http://www.gia.edu/research/1383/2307/article_detail.cfm

5.      Green B., Reinitz I., Johnson M., and Shigley J. (August 3, 2001) Diamond Optics Part 3: The Effects of Polarization States on Light Behavior. http://www.gia.edu/research/1383/2282/article_detail.cfm

6.      Green B., Reinitz I., Gilbertson A., Johnson M., and Shigley J. (August 17, 2001) The Importance of Three-Dimensionality. http://www.gia.edu/research/1383/2281/article_detail.cfm

7.      Green B., Gilbertson A., Reinitz I., Johnson M., and Shigley J. (September 14, 2001) What did Marcel Tolkowsky Really Say? http://www.gia.edu/research/1383/2280/article_detail.cfm

8.      Green B., Gilbertson A., Johnson M., and Shigley J. (September 28, 2001) The Optics of a Dirty Diamond. http://www.gia.edu/research/1383/2273/article_detail.cfm

9.      Green B., Reinitz I., Johnson M., and Shigley J. (October 26, 2001) The Visual Presentation of Information: Part 1. http://www.gia.edu/research/1383/2268/article_detail.cfm

10.   Green B., Johnson M., and Shigley J. (November 16, 2001) The Visual Presentation of Information: Part 2. http://www.gia.edu/research/1383/1505/article_detail.cfm

11.  Green B., Johnson M., Reinitz I., and Shigley J. (November 30, 2001) Diamond Appearance: The Components of a Computer Model. http://www.gia.edu/research/1383/431/article_detail.cfm

12.  Green B., Hemphill T.S., Johnson M., and Shigley J. (Aigust 30, 2002) The GIA Diamond Proportion Module: Illustrating How Changes in Individual Proportions Affect the Appearance of a Round Brilliant Cut Diamond. http://www.gia.edu/research/1383/6367/article_detail.cfm

13.  Johnson M., Reinitz I., and Shigley J. (September 27, 2002) How Science Works: Understanding the Scientific Method (Summary). http://www.gia.edu/research/1383/6517/article_detail.cfm

14.  Johnson M., Reinitz I., and Shigley J. (September 27, 2002) How Science Works: Understanding the Scientific Method. http://www.gia.edu/research/1383/6368/article_detail.cfm

15.  Green B., Johnson M., Reinitz I., and Shigley J. (February 25, 2003) Computer Modeling Part 2: A Closer Look at Metrics. http://www.gia.edu/research/1383/10135/article_detail.cfm

 

 

F. TALKS (before Professional, Trade, and Other Audiences)

 

1.      An extended-zone model for compositional variation in tetrahedrite. American Geophysical Union, Baltimore, 5/21/81. Abstract published in EOS, Vol. 62, No. 17, 4/28/81, p.411.

 

2.      Readily soluble geodynamic problems - I, with P. C. England. American Geophysical Union, San Francisco, 12/10/81 (given by P. C. England) [crossword puzzle]. Abstract published in EOS, Vol. 62, No. 45, 11/10/81, p. 1046.

 

3.      Preliminary phase diagram for the water-rich region of the system NH3-H2O to 4.0 GPa, with A. Schwake and M. Nicol. American Geophysical Union, San Francisco, 12/5/83. Abstract published in EOS, Vol. 64, No. 45, 11/8/83, p. 875.

 

4.      Partial phase diagram for the system NH3-H2O: the water-rich region at 20oC, with A. Schwake and M. Nicol. NATO Conf. Ice in the Solar System, invited paper, 1/16/84 (given by M. Nicol).

 

5.      The ammonia-water phase diagram I: Water-rich region at low (<4 GPa) pressure, with A. Schwake and M. Nicol. Lunar Planet. Sci. Conf. XV, date needed.

 

6.      From G surfaces to Phase Diagrams (or: Juggling in n Dimensions). Talk given to Malcolm Nicol’s research group, UCLA, 4/8/85.

 

7.      Internally heated diamond cell: melting of iron, with R. Boehler, M. Nicol, and C.-S. Zha. American Geophysical Union, Baltimore, 5/28/85 (given by R. Boehler).

 

8.      Tribochemoluminescence spectra of shock-decomposed benzene, with M. Nicol and N. C. Holmes. AIRAPT X, Amsterdam, 7/8/85 (given by M. Nicol).

 

9.      Resistance heating of Fe and W in diamond-anvil cells, with R. Boehler, M. Nicol, and C.-S. Zha. AIRAPT X, Amsterdam, 7/8/85 (given by R. Boehler).

 

10.    Molecular Emission spectra from shock-decomposed benzene, with M. Nicol and N. C. Holmes. American Physical Society, Spokane, 7/22/85 (given by M. Nicol).

 

11.    The ammonia-water phase diagram II: Extent and significance of ammonia dihydrate, NH3.2H2O, with M. Nicol. American Geophysical Union, San Francisco, 12/10/85. Abstract published in EOS, Vol. 66, No. 46, 11/12/85, p. 944.

 

12.    Experimental spectroscopy on planetary ices at extreme conditions, with N. C. Holmes, W. J. Nellis, W. B. Graham, G. E. Wahlrafen, and M. F. Nicol. American Geophysical Union, San Francisco, 12/11/85 (given by N. C. Holmes). Abstract published in EOS, Vol. 66, No. 46, 11/12/85, p. 948; my name added (as “M. J. Johnson”) in the poster itself.

 

13.    Emission spectroscopy of shocked benzene, with N. C. Holmes and M. F. Nicol. Gordon Research Conference on Research at High Pressures, Meriden, N. H., June 1986 (given by N. C. Holmes).

 

14.    Melilite crystal/liquid partitioning of refractory lithophiles, with D. S. Woolum, D. S. Burnett, and S. R. Sutton. 50th Annual Meeting, Meteoritical Society, Newcastle-upon-Tyne, U. K., July 1987 (given by D. S. Woolum).

 

15.    Henry's law is obeyed for Tm partitioning into diopside at low concentrations, with D. S. Burnett.  American Geophysical Union, San Francisco, 12/10/87.

 

16.    Refractory lithophile partitioning into Type B CAI materials, with D. S. Woolum, D. S. Burnett, and S. R. Sutton. Lunar Planet. Sci. Conf. XIX, (given by D. S. Woolum).

 

17.    Electron probe and ion probe determination of melilite/liquid and clinopyroxene/liquid partition coefficients of trace elements in CMAS and NaCMAS, with S. M. Kuehner, J. R. Laughlin, L. Grossman, and D. S. Burnett. Lunar Planet. Sci. Conf. XIX, 3/18/88 (given by S. M. Kuehner).

 

18.    244Pu abundance in ordinary chondrites, with B. Hagee, T. J. Bernatowicz, F. A. Podosek, D. S. Burnett, and M. Tatsumoto. 51st Annual Meeting, Meteoritical Society, Fayetteville, Ark., 7/20/88 (given by B. Hagee).

 

19.    Relict refractory element rich phases in type B CAI, with D. S. Burnett and D. S. Woolum. 51st Annual Meeting, Meteoritical Society, Fayetteville, Ark., 7/22/88.  Abstract in Meteoritics, Vol. 23, No. 3, p.276 (1988).

 

20.    Trace needles in an extraterrestrial haystack: Ti in Allende type B melilite. Scanning 89/EM West, Long Beach, CA, 4/7/89. Abstract in Scanning 89/EM West Abstracts,  p. 43

 

21.    Hibonite, platinum, and diamonds in the sky: minerals of the early solar system. Mineralogical Society of Southern California, Pasadena, CA, 3/89;

·           Riverside Astronomical Society, Riverside, CA, 9/23/89;

·           Torrance Gem & Mineral Society, Torrance CA 12/4/96.

 

22.    Igneous origin for Na in the cloud of Io, with D. S. Burnett. Lunar Planet. Sci. Conf. XXI, 3/13/90.

 

23.    Actinide element fractionation in solar system processes: the role of oxygen fugacity, with T. Z. LaTourette and D. S. Burnett. Lunar Planet. Sci. Conf. XXI, 3/16/90 (given by T. Z. LaTourette).

 

24.    Relict grains in CAI's, revisited, with D. S. Burnett and D. S. Woolum. 53rd Annual Meteoritical Society Meeting, Perth, Australia, September, 1990 (given by D. S. Burnett). Abstract in Meteoritics, Vol. 25, No. 4, 1990, p. 353.

 

25.    SO2 weathering on Io, with D. S. Burnett. Lunar Planet. Sci. Conf. XX, 3/21/91.

 

26.    Making specimen labels using the TeX computer typesetting system, with Mark Parisi. Mineralogy and Museums Conference II, Toronto, Ontario, Canada, 9/10/92.

 

27.    Meet the Geologist. Whale's Tales (programs for children), Ralph M. Parsons Discovery Center, Natural History Museum of Los Angeles County, Los Angeles, CA, 1/9/93.

 

28.    The Tetrahedrite Zoo and the Tetrahedrite Bestiary: Possible, Impossible, and Improbable Endmembers. TGMS and Friends of Mineralogy, 15th Annual Mineralogical Symposium, Tucson, AZ, 2/12/94 (invited talk).

 

29.    Mineralogy tutorial for GIA librarians, Santa Monica CA, 1994:

·           Minerals and rocks, 6/14/94

·           The logic behind mineral formulas, 7/18/94

·           Phase diagrams for librarians (and others), 12/13/94

 

30.    Exciting things about geology. La Salle High School, Pasadena, CA, 3/18/95.

 

31.    Fracture Filling in Gemstones: How does it work and what does it mean to you. Natural History Museum of Los Angeles County Gem & Mineral Council, George C. Page Museum, Los Angeles, CA, 8/16/95

·           Mineralogical Society of Southern California, October, 1995

·           Pasadena Lapidary Society, February 1996

·           Foothill Gem & Mineral Society, August 1996

 

32.    What's new at the Tucson shows. Mineralogical Society of Southern California, Arcadia, CA, 3/13/96.

 

33.    The Mineral Collections at Caltech. Natural History Museum of Los Angeles County Gem & Mineral Council at the California Institute of Technology, November 1996??

 

34.    Copper and Copper-Mineral Inclusions in Gemstones, with John I. Koivula. Pacific Micromount Conference, San Bernardino CA, 1/25/97

 

35.    The Future of Gem Testing: One Perspective. “Touch the Future,” JCK (Jeweler’s Circular Keystone) show, Orlando FL, 2/16/97.

 

36.    Emerald Treatment Research Project. First World Emerald Congress, Santa Fé de Bogotá, Colombia, 2/24/98.

 

37.    Emerald Research Update. GIA Gem Fest Asia, Hong Kong, 9/25/98.

38.    GIA Taipei, Taiwan, 9/29/98

 

39.    Moderated “Treatments” session, Third International Gemological Symposium, June 21-24, 1999.

 

40.    Panelist, “Disclosure War Room,” Third International Gemological Symposium, June 21-24, 1999.

·           “Great job” letter from panel organizers, July 6, 1999.

 

41.    Characterization of Some Emerald Filling Substances, with Sam Muhlmeister and Shane Elen. Third International Gemological Symposium, June 21-24, 1999 (poster given by S. Muhlmeister and S. Elen). Abstract published in Gems & Gemology, Vol. 35, No. 3, Fall 1999, pp. 149-151.

 

42.    Exploring Cut and Diamond Appearance with the Virtual Diamond, with T. Scott Hemphill, Ilene M. Reinitz, and James E. Shigley. Third International Gemological Symposium, June 21-24, 1999 (poster given by T. S. Hemphill). Abstract published in Gems & Gemology, Vol. 35, No. 3, Fall 1999, pp. 158-159.

 

43.    GIA on Diamond Cut, panel discussion with Al Gilbertson and Ilene Reinitz, JCK Show, Las Vegas NV, 5/29/02.

 

44.    GIA on Diamond Cut, International Jewellery London 2002, London, England, 9/1/02.

 

45.    Computer Modeling of Appearance Aspects of a Faceted Diamond, with T. Scott Hemphill and Ilene M. Reinitz. Materials Research Society 2003 Fall Meeting, Boston, MA, 12/3/03.

 

46.    Diamond Exploration and Mining in Canada. GIA [lecture for students], Carlsbad CA, 4/14/04.

47.    Los Angeles County Museum Gem & Mineral Council, Page Museum, Los Angeles, when?

48.    MSSC, Pasadena City College, Pasadena CA, when?

 

 

G. EDUCATIONAL MINERAL EXHIBITS

 

1.      Miscellaneous Minerals. Mineralogical Society of Southern California (MSSC) Show, Pasadena, CA, 11/16-17/85.

 

2.      Minerals at High Pressures. MSSC Show, Pasadena, CA, 11/14-15/86.

 

3.      Mineral Safety. MSSC Show, Pasadena, CA, 11/14-15/87.

 

4.      Franciscan Formation Minerals. MSSC Show, Pasadena, CA, 10/8-9/88.

 

5.      Minerals of San Benito County. MSSC Show, Pasadena, CA, 10/8-9/88.

 

6.      The John D. Fargo Collection at Caltech, with H. Stanton Hill. MSSC Show, Pasadena, CA, 10/8-9/88.

 

7.      Famous Mining Districts. MSSC Show, Pasadena, CA, 11/25-26/89.

 

8.      The Sudbury, Ontario, Impact Structure. MSSC Show, Pasadena, CA, 11/25-26/89.

 

9.      Hydroxides and Oxyhydroxides. MSSC Show, Pasadena, CA, 11/24-25/90.

 

10.  Mineral Origami, with Wes Chalfant. MSSC show, Pasadena, CA, 11/30-12/1/91.

 

11.  Modifications to the Caltech display collection to give a history of research in three areas:       Mineralogy/Petrology; Gemstones and Pegmatites; Economic Geology (Winter/Summer 1992)

 

12.  Happy Holidays (A Guessing Game). MSSC show, Pasadena, CA, 11/28-29/92.

 

13.  Consultant on exhibit installation, Inside Active Volcanoes. SITES visiting exhibit, Natural History Museum of Los Angeles County, Los Angeles, CA, 12/12/92-2/23/93.

 

14.  Inside Active Volcanoes: Exhibit Downstairs. (5 display cases showing volcanic rocks and minerals, volcanic bombs, and the visitor's experience of Mount Saint Helens and Kilauea volcanoes.) Natural History Museum of Los Angeles County, Los Angeles, CA, 12/5/92-2/23/93.

 

15.  Spinel-Law Twinning. MSSC show, Glendale, CA, 11/13-14/93.

 

16.  Smoothness. MSSC show, Glendale, CA, 11/12-13/94.

 

17.  Grossular/Andradite garnets from Mali, with Horst Krupp and Edward Boehm. MSSC show, Pomona, CA, 11/17-19/95.

 

18.  Inclusions in Natural and Synthetic Emeralds, with the Gemological Institute of America. MSSC show, Pomona, CA, 11/17-19/95.

 

 

 

 

H. Awards

 

1.      First Place, 1994 Gems & Gemology Most Valuable Article Award for “An Update on Fracture Filled Diamonds: Identification and Durability,” Gems & Gemology, Fall 1994.

 

2.      First Place, 1995 ASAE Gold Circle Awards category “Feature Writing, Scientific/Educational,” for “An Update on Fracture Filled Diamonds: Identification and Durability,” Gems & Gemology, Fall 1994.

 

3.      Mary B. Ansari Award from the Geoscience Information Society (for best reference work in geology in the last three years) went to A Handbook of Physical Constants, American Geophysical Union Press, 1995.

 

4.      Third Place, 1996 Dr. Edward J Gübelin Gems & Gemology Most Valuable Article Award for “Gemological Investigation of a New Type of Russian Hydrothermal Synthetic Emerald,” Gems & Gemology, Spring 1996.

 

5.      Second place, 1997 Dr. Edward J Gübelin Gems & Gemology Most Valuable Article Award for “A Contribution to Understanding the Effect of Blue Fluorescence on the Appearance of Diamonds.”

 

6.      First place, 1998 Dr. Edward J Gübelin Gems & Gemology Most Valuable Article Award for “Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Brilliance.”

 

7.      Listed on STARDUST Microchip #2 (STARDUST, a NASA-Jet Propulsion Laboratory comet probe, was launched into space on February 7, 1999).

 

8.      Second place, 1999 Dr. Edward J Gübelin Gems & Gemology Most Valuable Article Award for “On the Identification of Various Emerald Filling Substances.”

 

9.      First place, 2001 Dr. Edward J Gübelin Gems & Gemology Most Valuable Article Award for “Modeling the Appearance of the Round Brilliant Cut Diamond: An Analysis of Fire, and More About Brilliance.”

 

10.  GIA Staff Member of the Year Award, 2001.

 

11.  Included in “Manchester’s Who’s Who Executive and Professional Registry,” August 2002

 

12.  Member, Society of Mineral Museum Professionals, 2002

 

 

 

I. Abstractions and Mentions in the Press

 

1.      “Here’s a Gem-Dandy Idea,” by Harold N. Hubbard, Pasadena Star News, 11/??/89, pp. C-1, C-3.

 

2.      “Czochralski-Pulled Synthetic Pink Sapphires.” Bangkok Gems & Jewellery, Vol. 9, No. 6, January 1996, p. 43.

 

3.      Interviewed in "Now Here's a Gem of a Place to Acquire an Education," by Beverly Beyette, Los Angeles Times, Monday May 20, 1996, pp. E1, E3.

 

4.      “Commuter Tip.” Current Events, GIA. (September 10, 1996) p. 1.

 

5.      “GIA: Some Filled Stones Have Less Obvious Flash.” National Jeweler, Vol. 42, No. 3, February 1, 1998, pp. 14, 16.

 

6.      “Institute participates in the First World Emerald Congress in Bogotá, Colombia,” The Loupe, Vol. 7, No. 2, Spring 1998, p. 11.

 

7.      “Should we measure emerald treatment by degrees?” by Gary Roskin, Jeweler’s Circular-Keystone, May 1998 [need pages, volume, and number].

 

8.      “GIA Tackles Filled Emerald Issue,” Hong Kong Jewellery, January 1999, 2 pp. [need pages, volume, and number]

 

9.      “GIA Researchers Work to Address Emerald Treatment Concerns.” The Loupe, Vol. 7, No.3, Summer 1998, p. 13.

 

10.    “Emeralds Under Fire,” by Morgan Beard, Colored Stone, Vol. 12, No. 2, March/April 1999, pp. 14-15.

 

11.    “GIA to Ideal Cutters: Back to the 3-D Drawing Board,” by Russell Shor, Diamond World Review, No. 106, December 1988, pp. 38-41 and cover.

·           Reprinted in New York Diamonds, No.??, January 1999, pp. 36-39.

 

12.    “Working the Angles,” by David Federman, Modern Jeweler(?), Vol. ??, No. ??, January 1999, p. 13.

 

13.    “GIA’s Brilliant Diamond Cut Study,” by Robert Weldon, Professional Jeweler, January 1999, pp. 32-33.

 

14.    “GIA Announces ‘Not One, but Many Ways to Cut a Bright Diamond,’” Gem World [Jaipur, India], Vol. 26, No. 1, January/February 1999, p. 38.

 

15.    “GIA Studies Alternatives to Ideal Cut Proportions,” by Cheryl Fenelle, National Jeweler, Vol ??, No??, February 1 1999, pp. 20, 24.

 

16.    “GIA Research Projects Questions the Superiority of the Ideal Cut,” Israel Diamonds and Precious Stones, No. 163, date?? (pre 5/99), pp. 44-47.

 

17.     “International Executive Council Provides Suggestions to GIA on Addressing Trade Issues.” The Loupe, Vol. 8, No. 4, Fall 1999, p. 11.

 

18.    “Enhancing the Stone: GIA studies Pegasus diamonds and emeralds,” by Deborah A. Yonick, AJM (American Jewelry Manufacturer), Vol. 44, No. 12,  December 1999, pp. 17-20.

 

19.    “Newswatch” [mention of providing information to Newsweek magazine, for Feb 2, 2000 issue.] Current Events [GIA employee newsletter], Vol. 2, No. 19, January 2000, pp. 1, 4.

 

20.    “Check Your Gut Instincts at the Door,” by Richard W. Hughes, Gemkey, Vol. 2, No. 3, March-April 2000, pp. 62-63, 104.

 

21.    Answer to question on so-called “synthetic tanzanite:” The Loupe Online, August 4, 2000 [http://www.gia.edu/news/newsNeventsart.cfm?Artid=13, not accessible by May 14, 2004].

·           Answer to question on so-called “synthetic tanzanite:” The Carlsbad Jewel, [in prep., 5/18/04].

 

22.    [Chinese summary of Gem Technology in the 1990s article]. Jewellery Science and Technology, Vol. 13, No. 42(?), 2001, pp. 36-37.

 

23.    “GIA’s Cut Diamond Research Project.” Premier “Gems,” Fall 2001, p. 1.

 

24.    “Study Moves GIA Closer to Cut Grade,” by Robert Weldon, Professional Jeweler, January 2002, pp. 28-29.

 

25.    “The Science of Cut – A modern look at an age-old challenge: Why do diamonds sparkle?” by Mauricio Minotta. The Loupe, Vol. 11, No. 2, date?, pp. 18-20.

 

26.    “JCK Show: GIA Cut Study, It’s Not Finished Till It’s Finished.” Jeweler’s Circular Keystone website, 5/31/02. [http://www.jckgroup.com/index.asp?/layout=preview&doc_id=88648]

 

27.    “GIA Studies Diamond Cut,” Rapaport News, diamonds.net, 9/4/2003; about 6 pages. [http://www.diamonds.net/news/newsitem.asp?num=8493&type=all&topic=all]

 

28.    “Milestones October-December 2003” [10 years with GIA]. Current Events Employee Newsletter, Fall 2003, p. 2.

 

29.    “Diamond Designs without Tears” by Celeste Bevier, New Scientist, Vol. 180, No. 2425, 13 December 2003. p. 24.

 

30.    “GIA in the News.” Current Events Employee Newsletter, January 2004, p. 2.

 

31.    “AGTA GTC to Issue ‘Standard Heat Treatment’ Reports.” Professional Jeweler website, 4/28/04. [http://www.professionaljeweler.com/archives/news/2004/042804story.html]

 

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