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Summer 2002, Volume 38, Issue 2


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Gemological Abstracts


COLORED STONES AND ORGANIC MATERIALS

Akoya pearl culture in China. W. O'Connor and A. Wang, World Aquaculture, Vol. 32, No. 3, September 2001, pp. 18-20.

Conjuring blue magic. T. Redgrave, Readers Digest (New Zealand), Vol. 158, No. 950, June 2001, pp. 40-48.

Culturing blister pearls in abalones. P. V. Fankboner, Canadian Gemmologist, 2002, Vol. 23, No. 1, pp. 10-21.

Digging deep. S. Pecover, Australian Jeweller, October 2001, pp. 30-31.

Edelsteine der Feldspatgruppe [Gemstones of the feldspar group]. U. Henn, Gemmologie: Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 50, No. 4, 2001, pp. 179-192 [in German with English abstract].

Edelsteine aus Sambia—Teil 3: Amethyst [Gemstones from Zambia—Part 3: Amethyst]. C. C. Milisenda, V. Malango, and K. C. Taupitz, Gemmologie: Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 50, No. 3, 2001, pp. 137-152.

Gemmology of abalone shell and analysis on the origin of its iridescence. L. Li and J. Zhang, Journal of Gems and Gemmology, Vol. 3, No. 2, 2001, pp. 1-5 [in Chinese with English abstract].

Investigation of manganese in salt- and freshwater pearls. D. Habermann, A. Banerjee, J. Meijer, and A. Stephan, Nuclear Instruments and Methods in Physics Research B, Vol. 181, 2001, pp. 739-743.

Smaragde der Welt (Emeralds of the World). extraLapis, No. 21, 2001, 96 pp.

Supply and demand. Australian Jeweller, October 2001, pp. 24-25, 29.

DIAMONDS

Diamonds: Forever or for good? The economic impact of diamonds in southern Africa. R. Hazleton. Occasional Paper No. 3 of Partnership Africa Canada's Diamonds and Human Security Project, 2002. Available at www.partnershipafricacanada.org. and Mazal U'Bracha, No. 145, May 2002, pp. 20-56 (passim).

Diamonds: The real story. A. Cockburn, National Geographic, Vol. 201, No. 3, March 2002, pp. 2-35.

A discussion on the origin of irregular shapes of type II diamonds. I. Sunagawa, Journal of Gemmology, Vol. 27, No. 7, 2001, pp. 417-425.

Of judgment and cunning work. Conflict diamonds and the implications for Canada. I. Smillie, International Journal, Vol. 56, No. 4, Autumn 2001, pp. 579-594.

Morphology of diamonds as a possible indicator of their genesis. M. D. Evdokimov, M. Y. Ladygina, and A. R. Nesterov, Neues Jahrbuch für Mineralogie, Abhandlungen, Vol. 176, No. 2, 2001, pp. 153-177.

Nitrogen distribution in diamonds from the kimberlite pipe No. 50 at Fuxian in eastern China: A CL and FTIR study. F.-X. Lu, M.-H. Chen, J.-R. Di, and J.-P. Zheng, Physics and Chemistry of the Earth. Part A: Solid Earth and Geodesy, Vol. 26, No. 9-10, 2001, pp. 773-780.

GEM LOCALITIES

"Desert Ebony." Ein großer schwarzer Opal aus dem Virgin Valley, Nevada ("Desert Ebony." A large black opal from Virgin Valley, Nevada). P. C. Huber, Lapis, Vol. 27, No. 1, 2002, pp. 21-23 [in German].

Elba. extraLapis No. 20, 2001, 96 pp. [in German].

A fluid inclusion study of an amethyst deposit in the Cretaceous Kyongsang Basin, South Korea. K. H. Yang, S. H. Yun, and J. D. Lee, Mineralogical Magazine, Vol. 65, No. 4, 2001, pp. 477-487.

Gem-bearing basaltic volcanism, Barrington, New South Wales: Cenozoic evolution, based on basalt K-Ar ages and zircon fission track and U-Pb isotope dating. F. L. Sutherland and C. M. Fanning, Australian Journal of Earth Sciences, Vol. 48, No. 2, 2001, pp. 221-237.

Mineral and fluid inclusion study of emeralds from the Lake Manyara and Sumbawanga deposits, Tanzania. I. Moroz, Y. Vapnik, I. Eliezri, and M. Roth, Journal of African Earth Sciences, Vol. 33, No. 2, 2001, pp. 377-390.

Primary deposits in Sri Lanka will reinvigorate trade, gem sector notes. J. Henricus, Jewellery News Asia, No. 206, October 2001, pp. 55-56, 58-60.

Quaternary geology and sapphire deposits from the Bo Phloi gem field, Kanchanaburi Province, Western Thailand. M. Choowong, Journal of Asian Earth Sciences, Vol. 20, No. 2, 2002, pp. 119-125.

Der Sarawak-Bernstein (Amber in Sarawak). T. Thielemann, A. Arleth, M. Arleth, D. Johari, E. Ong, and D. Kelter, Zeitschrift für Angewandte Geologie, Vol. 47, No. 3/4, 2001, pp. 212-217 [in German with English abstract].

Tanzanite production to start at Merelani. H. Raats, SA Mining, January 2002, pp. 16-18.

Ti-Fe mineral inclusions in star sapphires from Thailand. S. Saminpanya, Australian Gemmologist, Vol. 21, No. 3, 2001, pp. 125-128.

Zwölftstrahliger Sternsaphir aus Bang-kha-cha, Thailand (Twelve-rayed star sapphire from Bang-kha-cha, Thailand). K. Schmetzer and M. Glas, Lapis, Vol. 26, No. 11, 2001, pp. 40-42, 54 [in German].

INSTRUMENTS AND TECHNIQUES

Complex pearl identification: New possibilities of the X-ray methods. O. Y. Yakushin, M. L. Osipov, and E. V. Kozorezov, Gemological Bulletin, Publication of the Gemological Society of Russia, No. 1, 2001, pp. 11-14.

EPR and optical spectroscopy of impurities in two synthetic beryls. J.-M. Gaite, V. V. Izotov, S. I. Nikitin, and S. Y. Prosvirnin, Applied Magnetic Resonance, Vol. 20, No. 3, 2001, pp. 307-315.

Non-destructive NIR-FT-Raman analyses in practice. Part II. Analyses of "jumping" crystals, photosensitive crystals and gems. G. N. Andreev, B. Schrader, R. Boese, P. Rademacher, and L. von Cranach, Fresenius Journal of Analytical Chemistry, 2001, Vol. 371, pp. 1018-1022.

Raman spectroscopy—An introduction. M. I. Garland and T. L. Haslett, Canadian Gemmologist, Vol. 22, No. 2, 2001, pp. 46-61.

JEWELRY RETAILING

Consumers' product evaluation: A study of the primary evaluative criteria in the precious jewellery market in the UK. A. Jamal and M. Goode, Journal of Consumer Behaviour, Vol. 1, No. 2, 2001, pp. 140-155.

SYNTHETICS AND SIMULANTS

Gemological characterization of gem-quality synthetic diamonds manufactured in Russia. Y. B. Shelementev, O. Y. Gorbenko, and G. V. Saparin, Gemological Bulletin, Publication of the Gemological Society of Russia, No. 1, 2001, pp. 4-9 [in Russian with English abstract].

Growth and characteristics of some new varieties of coloured quartz single crystals. V. S. Balitsky, I. B. Makhina, E. A. Marina, G. R. Rossman, T. Lu, and J. E. Shigley, High Pressure Research, Vol. 20, 2001, pp. 219-227.

Growth of the world's largest sapphire crystals. C. P. Khattak and F. Schmid, Journal of Crystal Growth, Vol. 225, No. 2-4, 2001, pp. 572-579.

Synthetic moissanite from Russia. L. Kiefert, K. Schmetzer, and H. Hänni, Journal of Gemmology, Vol. 27, No. 8, 2001, pp. 471-481.

TREATMENTS

Change of luminescence character of Ib diamonds with HPHT treatment. H. Kanda and X. Jia, Diamond and Related Materials, Vol. 10, Nos. 9-10, 2001, pp. 1665-1669.

A new screening system for detecting HPHT-treated natural diamonds. K. Schmetzer, Goldschmiede Zeitung, Vol. 100, No. 5, 2002, p. 88 [in German].

Ruby heat treatment and fracture repair. H. Hänni, Jewellery News Asia, No. 207, November 2001, pp. 75-76.

MISCELLANEOUS

John J. Kennedy, JCK's Person of the Year. W. G. Shuster, Jewelers' Circular Keystone, Vol. 172, No. 12, December 2001, pp. 60-62, 65.

A supply chain gem. D. L. Andrews, ID Systems, Vol. 21, No. 6, 2001, pp. 32-35.

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