COLORED STONES AND ORGANIC MATERIALS

• Characterisation of recent and fossil ivory. V. Rolandi, Australian Gemmologist, Vol. 20, No. 7, 1999, pp. 266–276.
• Classification of the minerals of the tourmaline group. F. C. Hawthorne and D. J. Henry, European Journal of Mineralogy, Vol. 11, No. 2, 1999, pp. 201–215.
• Coloured gemstones have huge growth potential. Mining in Southern Africa, No. 3, 1999, pp. 1 et passim.
• A new pearl culture. D. Yonick, Basel Magazine, No. 3, June 1999, pp. 31–34.
• Pearls. Jewellery News Asia, No. 182, October 1999, pp. 47–48, 50, 52.
• Philippine South Sea pearl industry moves towards the big league. L. Sanchez, Jewellery News Asia, No. 177, May 1999, pp. 72–73, 77.
• Tantalizing turquoise. J. A. Harriss, Smithsonian, Vol. 30, No. 5, August 1999, pp. 70–78, 80.
• Testing of copal resin and amber. Z. Qiu, B. Chen, and Y. Zhang, Journal of Gems & Gemmology, Vol. 1, No. 1, 1999, pp. 35–39 [in Chinese with English abstract].

DIAMONDS

• Argyle, Australien: Größte Diamantmine der Welt [Argyle, Australia: The world’s largest diamond mine]. D. Pardon, Lapis, Vol. 24, No. 4, 1999, pp. 13–21 [in German].
• Confocal microscopy of color center distributions in diamond. J. Martin, W. Grebner, W. Sigle, and R. Wannemacher, Journal of Luminescence, Vol. 83–84, 1999, pp. 493–497.
• Current problems in diamond: Towards a quantitative understanding. G. Davies, Physica B, Vol. 273–274, 1999, pp. 15–23.
• De Beers as sightholder and major polished dealer. Mazal U’Bracha, Vol. 15, No. 112, July–August 1999, pp. 20 et passim.
• Diamonds and accompanying minerals from the Arkhangelsk kimberlite[s], Russia. T. V. Possoukhova, G. P. Kudryavtseva, and V. K. Garanin, in C. J. Stanley et al., Eds., Mineral Deposits: Processes to Processing, Proceedings of the 5th Biennial SGA Meeting and the 10th Quadrennial IAGOD Symposium, London, August 22–25, 1999, Balkema/Rotterdam/Brookfield, 1999, pp. 667–670.
• A diamond trilogy: Superplumes, supercontinents, and supernovae. S. E. Haggerty, Science, Vol. 285, No. 5429, August 6, 1999, pp. 851–860.
• Diamonds in volcaniclastic komatiite from French Guiana. R. Capdevila, N. Arndt, J. Letendre, and J.-F. Sauvage. Nature, Vol. 399, No. 6735, June 3, 1999, pp. 456–458.
• Hennig and Bettonville joint venture: "The Visag Option." C. Even-Zohar, Mazal U’Bracha, Vol. 15, No. 109, March–April 1999, pp. 38 et passim.
• New tool for diamond separation. Mining Journal, London, Vol. 333, No. 8554, October 22, 1999, p. 327.
• Optoelectronic unit for the detection of diamonds by Raman light scattering. O. A. Gudaev, I. F. Kanaev, V. I. Paterikin, I. N. Kupriyanov, and A. F. Tirmyaev, Journal of Mining Science, Vol. 34, No. 6, 1998, pp. 561–564.
• Russian gem diamond production forecast to reach $2.2 billion by 2005. S. Oulin, Mazal U’Bracha, Vol. 15, No. 113, September 1999, pp. 71–73.

GEM LOCALITIES

• Characterisation of emeralds from the Delbegetey deposit, Kazakhstan. E. V. Gavrilenko and B. Calvo Pérez, In C. J. Stanley et al., Eds., Mineral Deposits: Processes to Processing, Proceedings of the 5th Biennial SGA Meeting and the 10th Quadrennial IAGOD Symposium, London, August 22–25, 1999, Balkema/Rotterdam/Brookfield, 1999, pp. 1097–1100.
• Emeralds in the Eastern Cordillera of Colombia: Two tectonic settings for one mineralization. Y. Branquet, B. Laumonier, A. Cheilletz, and G. Giuliani, Geology, Vol. 27, No. 7, July 1999, pp. 597–600.
• Lavra da Sapo—derzeit fündigste Turmalin-Mine in Minais Gerais/Brasilien [Lavra da Sapo—Currently the most productive tourmaline mine in Minas Gerais/Brazil]. G. Steger, Lapis, Vol. 24, No. 3, 1999, pp. 26–29 [in German].
• On the nature of colouring of gem clinohumites from Kukhilal (the south-western Pamirs). L. V. Nickolskaya, S. S. Rudenko, M. V. Zamoryanskaya, and A. V. Shchukarev, Proceedings of the Russian Mineralogical Society, Vol. 128, No. 2, 1999, pp. 93–99 [in Russian with English abstract].
• Fluid inclusion characteristics of sapphires from Thailand. B. Srithai and A. H. Rankin, in C. J. Stanley et al., Eds., Mineral Deposits: Processes to Processing, Proceedings of the 5th Biennial SGA Meeting and the 10th Quadrennial IAGOD Symposium, London, August 22–25, 1999, Balkema/Rotterdam/Brookfield, 1999, pp. 107–111.
• Pyrope from Yunnan province, China. W. Zhang, Journal of Gems & Gemmology, Vol. 1, No. 2, 1999, pp. 22–24 [in Chinese with English abstract].
• Rare earth elements in corundum-bearing metasomatic and related rocks of the eastern Pamirs. E. N. Terekhov, V. A. Kruglov, and V. I. Levitskii, Geochemistry International, Vol. 37, No. 3, 1999, pp. 202–212.
• Ruby mineralization in southwest Madagascar. A. Mercier, M. Rakotondrazafy, and B. Ravolomiandrinarivo, Gondwana Research, Vol. 2, No. 3, 1999, pp. 433–438.
• The ruby mines of Mogok. T. Waltham, Geology Today, Vol. 15, No. 4, 1999, pp. 143–149.
• Sapphire and ruby in Australia. B. J. Neville and F. von Gnielinski, Queensland Government Mining Journal, Vol. 100, No. 1171, June 1999, pp. 6–12.

JEWELRY MANUFACTURING

• Getting the lead out. S. Wade, American Jewelry Manufacturer, Vol. 44, No. 4, April 1999, pp. 32–35, 37.
• Unshrouding the mystery of invisibly set gemstones. G. Roskin, Jewelers’ Circular Keystone, Vol. 170, No. 8, August 1999, pp. 84–88, 90.

JEWELRY RETAILING

• Antique-cut diamonds stage a comeback. Jewellery News Asia, No. 181, September 1999, pp. 292, 294, 296.
• Making your transition to an Internet economy. J. S. Diamond, Jewelers’ Circular Keystone, Vol. 170, No. 10, October 1999, pp. 146 et passim.

PRECIOUS METALS

• Gold production history of the United States. J. R. Craig and J. D. Rimstidt, Ore Geology Reviews, Vol. 13, No. 6, 1999, pp. 407–464.
• Platinum: Synonymous with the highest quality diamonds together creating luxury jewelry. Platinum Guild and Johnson Matthey Ltd., Mazal U’Bracha, Vol. 15, No. 112, 1999, pp. 61–63.

SYNTHETICS AND SIMULANTS

• Fake gems pose threat to the industry. Mining in Southern Africa, No. 3, 1999, p. 27.
• Silica transport and growth of high-temperature crystalline quartz in supercritical aqueous fluids. V. S. Balitsky, L. V. Balitskaya, H. Ivasaki, and F. Ivasaki, Geochemistry International, Vol. 37, No. 5, 1999, pp. 391–396.

TREATMENTS

• Colour changes produced in natural brown diamonds by high-pressure, high-temperature treatment. A. T. Collins, H. Kanda, and H. Kitawaki, Diamond and Related Materials, Vol. 9, No. 2, 2000, pp. 113–122.
• Identification of GE POL diamonds: A second step. J.-P. Chalain, E. Fritsch, and H. A. Hänni, Journal of Gemmology, Vol. 27, No. 2, 2000, pp. 73–78.

MISCELLANEOUS

• Diamonds aren’t forever. GemKey Magazine, Vol. 2, No. 3, March/April 2000, p. 18.
• The gang that loves glitter. P. Annin and J. B. Rhine, Newsweek, Vol. 134, No. 10, September 6, 1999, pp. 32–33.
• How to choose a colored gem lab. R. B. Drucker, Jewelers Circular Keystone, Vol. 170, No. 10, October 1999, pp. 130–132, 134.
• Visual clarity is the key to great jewelry slides. S. Meltzer, The Crafts Report, Vol. 35, No. 279, July 1999, pp. 36–37.
• The wild side of De Beers. Australia’s Paydirt, Vol. 1, No. 48, March 1999, pp. 50, 54.

Gemological Abstracts Editor:
A. A. Levinson, University of Calgary, Alberta, Canada
 
Review Board:
Troy Blodgett - GIA Gem Trade Laboratory, Carlsbad
Anne M. Blumer - Bloomington, Illinois
Peter R. Buerki - GIA Research, Carlsbad
Jo Ellen Cole - GIA Museum Services, Carlsbad
R. A. Howie - Royal Holloway, University of London
Mary L. Johnson - GIA Gem Trade Laboratory, Carlsbad
Jeff Lewis - San Diego, Carlsbad
Wendi M. Mayerson - GIA Gem Trade Laboratory, New York
Jana E. Miyahira-Smith - GIA Education, Carlsbad
Kyaw Soe Moe - GIA Gem Trade Laboratory, Carlsbad
Maha Tannous - GIA Gem Trade Laboratory, Carlsbad
Rolf Tatje - Duisburg, Germany
Sharon Wakefield - Northwest Gem Lab, Boise, Idaho
June York - GIA Gem Trade Laboratory, Carlsbad