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COLORED STONES AND ORGANIC MATERIALS
Gravitationally banded (“Uruguay-type”) agates in basaltic rocks—where and when? J. Petránek, Bulletin of Geosciences, Vol. 79, No. 4, 2004, pp. 195–204.
The underworld of ivory. R. T. Naylor [thomas.naylor@mcgill.ca], Crime, Law & Social Change, Vol. 42, No. 4–5, 2004, pp. 261–295.
DIAMONDS
Angola: Diamond production on the rise. N. Ford, African Business, No. 309, 2005, pp. 54–55.
Colour in diamond—yellow. J. Chapman, Rough Diamond Review, Part I. No. 7, 2004, pp. 42–44. Diamond colour origins. Part II. No. 8, 2005, pp. 23–26.
Geosurvey techniques in offshore diamond mining. I. Stevenson [ian.stevenson@debeersgroup.com] and L. Ricketts, Hydro International, Vol. 8, No. 9, 2004, pp. 26–29.
Interpreting diamond morphology. V. Afanasiev, N. Zinchuk, V. Sonin, and E. Semenets, Rough Diamond Review, Part I. No. 5, 2004, pp. 30–33; Part II. No. 7, 2004, pp. 26–27.
The roles of primary kimberlitic and secondary Dwyka glacial sources in the development of alluvial and marine diamond deposits in southern Africa. J. M. Moore [j.moore@ru.ac.za] and A. E. Moore, Journal of African Earth Sciences, Vol. 38, No. 2, 2004, pp. 115–134.
Spectroscopic studies on transition metal ions in colored diamonds. Y. Meng, M. Peng, and W. Chen, Spectroscopy and Spectral Analysis, Vol. 24, No. 7, 2004, pp. 769–774 [in Chinese with English abstract].
Three historical “asteriated” hydrogen-rich diamonds: Growth history and sector-dependent impurity incorporation. B. Rondeau [rondeau@mnhn.fr], E. Fritsch, M. Guiraud, J.-P. Chalain, and F. Notari, Diamond and Related Materials, Vol. 13, No. 9, 2004, pp. 1658–1673.
GEM LOCALITIES
Cultured pearl resources and markets in China. H. Zhang and B. Zhang, Journal of Gems and Gemmology, Vol. 6, No. 4, 2004, pp. 14–18 [in Chinese with English abstract].
Emeralds of the main world origins. E. P. Melnikov, A. V. Vasiliev, and G. N. Pilipenko, Gemological Bulletin, No. 11, 2004, pp. 7–16 [in Russian with short English abstract].
Emeralds from the Panjshir Valley (Afghanistan). J. Fijal, W. Heflik, L. Natkaniec-Nowak, and A. Szczepaniak, Gemmologie: Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 53, No. 4, 2004, pp. 127–142.
The Lened emerald prospect, Northwest Territories, Canada: Insights from fluid inclusion and stable isotopes, with implications for northern Cordilleran emerald. D. D. Marshall [marshall@sfu.ca], L. A. Groat, H. Falck, G. Giuliani, and H. Neufeld, Canadian Mineralogist, Vol. 42, No. 5, 2004, pp. 1523–1539.
Gemstones in Vietnam: A review. P. V. Long [vggc@fpt.vn], G. Giuliani, V. Garnier, and D. Ohnenstetter, Australian Gemmologist, Vol. 22, No. 4, 2004, pp. 162–168.
Migration of the Mendocino Triple Junction and the origin of titanium-rich mineral suites at New Idria, California. M. R. Van Baalen [mvb@harvard.edu], International Geology Review, Vol. 46, No. 8, 2004, pp. 671–692.
Opals from Slovakia (“Hungarian” opals): A re-assessment of the conditions of formation. B. Rondeau [rondeau@mnhn.fr], E. Fritsch, M. Guiraud, and C. Renac, European Journal of Mineralogy, Vol. 16, No. 5, 2004, pp. 789–799.
Pezzottaite Cs(Be2Li)Al2Si6O18: A spectacular new beryl-group mineral from the Sakavalana pegmatite, Fianarantsoa province, Madagascar. F. C. Hawthorne, M. A. Cooper, W. B. Simmons, A. U. Falster, B. M. Laurs, T. Armbruster, G. R. Rossman, A. Peretti, D. Günter, and B. Grobéty, Mineralogical Record, Vol. 35, No. 5, 2004, pp. 369–378.
Pezzottait von Ambatovita, Madagaskar—eine abenteuerliche Entdeckung [Pezzottaite from Ambatovita, Madagascar—An adventurous discovery]. F. Pezzotta [fpezzotta@yahoo.com], Lapis, Vol. 30, No. 5, 2005, pp. 26–30.
Relationship between nanostructure and optical absorption in fibrous pink opals from Mexico and Peru. E. Fritsch [fritsch@cnrs-imn.fr], E. Gaillou, M. Ostroumov, B. Rondeau, B. Devouard, and A. Barreau, European Journal of Mineralogy, Vol. 16, No. 5, 2004, pp. 743–752.
Role of fluorine in the formation of the Mananjary emerald deposits (eastern Madagascar). B. Moine [moine@cict.fr], C. C. Peng, and A. Mercier, Comptes Rendus Geoscience, Vol. 336, No. 6, 2004, pp. 513–522.
INSTRUMENTS AND TECHNIQUES
In situ Raman spectroscopic investigations of the adorning gemstones on the reliquary Heinrich’s Cross from the treasury of Basel Cathedral. I. Reiche [ina.reiche@culture.gouv.fr], S. Pages-Camagna, and L. Lambacher, Journal of Raman Spectroscopy, Vol. 35, No. 8–9, 2004, pp. 719–725.
The identification of carving techniques on Chinese jade. M. Sax [msax@thebritishmuseum.ac.uk], N. D. Meeks, C. Michaelson, and A. P. Middleton, Journal of Archaeological Science, Vol. 31, No. 10, 2004, pp. 1413–1428.
Seeing stress in diamonds. K. Pope, Rough Diamond Review, No. 5, 2004, pp. 41–43.
SYNTHETICS AND SIMULANTS
The identification properties of synthetic hydrothermal red, green, and blue beryl. M. B. Kopchikov and Yu. B. Shelementiev, Gemological Bulletin, No. 11, 2004, pp. 17–22 [in Russian with short English abstract].
The nature of channel constituents in hydrothermal synthetic emeralds. R. I. Mashkovtsev [rim@uiggm.nsc.ru] and S. Z. Smirnov, Journal of Gemmology, Vol. 29, No. 4, 2004, pp. 215–227.
TREATMENTS
Meaning of ions diffusion coefficient in sapphire diffusion heat treatment. R. Yang, D. Yu, and J. Zhao, Journal of Tongji University (Natural Science), Vol. 32, No. 9, 2004, pp. 1145–1148 [in Chinese with English abstract].
A treatment study of Brazilian garnets. S. G. Eeckhout, A. C. S. Sabioni, and A. C. M. Ferreira, Journal of Gemmology, Vol. 29, No. 4, 2004, pp. 205–214.
MISCELLANEOUS
Comments on Canada’s national diamond strategy. R. Taplin [rtaplin@mccarty.ca] and T. Isaac, Journal of Energy & Natural Resources Law, Vol. 22, No. 4, 2004, pp. 429–449.
Global governance and conflict diamonds: The Kimberley Process and the quest for clean gems. J. A. Grant [andgrant@dal.ca] and I. Taylor, The Round Table, Vol. 93, No. 375, 2004, pp. 385–401.
Improving your opal cutting. P. B. Downing, Lapidary Journal, Vol. 57, No. 11, 2004, pp. 25–28.
War, peace and diamonds in Angola: Popular perceptions of the diamond industry in the Lundas. J. Pearce, African Security Review, Vol. 13, No. 2, 2004, pp. 51–64.
Tackling conflict diamonds: The Kimberley Process Certification Scheme. C. Wright, International Peacekeeping, Vol. 11, No. 4, 2004, pp. 697–708.
Traditional gemstone cutting technology of Kongu region of Tamil Nadu. K. Rajan and N. Athiyaman, Indian Journal of History of Science, Vol. 39, No. 4, 2004, pp. 385–414.
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