COLORED STONES AND ORGANIC MATERIALS

• Amber specimen yields another link to the past. C. Fenelle, National Jeweler, Vol. 42, No. 20, October 16, 1998, p. 20.
• Crystal, quartz, or what? S. Frazier and A. Frazier, Lapidary Journal, Vol. 52, No. 6, September 1998, pp. 26-31, 32.
• Demantoid garnet enjoys market transformation. ICA Gazette, November-December 1998, pp. 1-7.
• The gemological identification of emeralds and blue sapphires. J.E. Shigley, CIM [Canadian Institute of Mining and Metallurgy] Bulletin, Vol. 91, No. 1025, Nov. 1, 1998, pp. 91-96.
• Investigation of the intracrystalline Cr³⁺ distribution in natural and synthetic alexandrites. H. Rager, A. Bakhshandeh-Khiri, and K. Schmetzer, Neues Jahrbuch für Mineralogie Monatshefte, Vol. 12, December 1998, pp. 545-557.
• Investigation of the stability conditions and structural-chemical transformations of Baikal lazurite. V.L. Tauson, V.V. Akimov, A.N. Sapozhnikov, and K.E. Kuznetsov, Geochemistry International, Vol. 36, No. 8, 1998, pp. 717-733.
• Is opal. . . .? S. Frazier and A. Frazier, Lapidary Journal, Vol. 52, No. 5, April 1998, pp. 16-17.
• Marketing high quality Chinese freshwater pearls. B. Sheung, Jewellery News Asia, No. 169, September 1998, pp. 124, 126.
• Mined in America: Five stones to watch (Part Two). D. Yonick, American Jewelry Manufacturer, Vol. 43, No. 12, December 1998, pp. 18-19, 21.
• Models of corundum origin from alkali basaltic terrains: A reappraisal. F.L. Sutherland, P.W.O. Hoskin, C.M. Fanning, R.R. Coenraads, Contributions to Mineralogy and Petrology, Vol. 133, 1998, pp. 356-372.
• Prevalence and origin of birefringence in 48 garnets from the pyrope-almandine-grossularite-spessartine quaternary. A.M. Hofmeister, R.B. Schaal, K.R. Campbell, S.L. Berry, and T.J. Fagan, American Mineralogist, Vol. 83, No. 11-12, Part I, November-December 1998, pp. 1293-1301.
• World jade resources. F. Ward, Arts of Asia, Vol. 29, No. 1, 1999, pp. 68-71.

DIAMONDS

• Of diamonds, dinosaurs and diastrophism: 150 million years of landscape evolution in southern Africa. T.C. Partridge, South African Journal of Geology, Vol. 101, No. 3, September 1998, pp. 167-184.
• Diamonds from kimberlite diatreme 50, Liaoning Province, China: Microtextural, mineralogical, geochemical, and genetic characteristics. F.F. Vinokurov, A.I. Gorshkov, Y.N. Bao, I.D. Ryabchikov, L.V. Bershov, and M.I. Lapina, Geochemistry International, Vol. 36, No. 8, 1998, pp. 676-683.
• Eclogitic diamond formation at Jwaneng: No room for a recycled component. P. Cartigny, J.W. Harris, and M. Javoy, Science, Vol. 280, No. 5368, 1998, pp. 1421-1424.
• The Merlin kimberlites, Northern Territory, Australia. D.C. Lee, H.J. Milledge, T.H. Reddicliffe, B.H.S. Smith, W.R. Taylor, and L.M. Ward. In Proceedings of the Sixth International Kimberlite Conference, Russian Geology and Geophysics, Vol. 38, No. 1, 1997, pp. 82-96.
• The problem of the diamond potential of the northwestern Russian Plate. A.A. Konstantinovskii and T.E. Shcherbakova, Lithology and Mineral Resources, Vol. 33, No. 3, 1998, pp. 226-234.
• Rare and unusual mineral inclusions in diamonds from Mwadui, Tanzania. T. Stachel, J.W. Harris, and G.P. Brey,Contributions to Mineralogy and Petrology, Vol. 132, No. 1, 1998, pp. 34-47.
• A rift model for the sedimentary diamond deposits of Brazil. R. Fleischer, Mineralium Deposita, Vol. 33, 1998, pp. 238-254.
• Unusual upper mantle beneath Guaniamo, Guyana shield, Venezuela: Evidence from diamond inclusions. N.V. Sobolev, E.S. Yefimova, D.M. DeR. Channer, P.F.N. Anderson, and K.M. Barron, Geology, Vol. 26, No. 11, 1998, pp. 719-974.
• Why pink diamonds are special. R. Weldon, Professional Jeweler, Vol. 1, No. 11, December 1998, p. 22.

GEM LOCALITIES

• Arizona andradite debuts. Jewelers' Circular Keystone, Vol. 169, No. 12, December 1998, p. 28.
• City of pearls. L. Werner, Aramco World, Vol. 49, No. 5, September/October 1998, pp. 10-19.
• Contribution to the mineralogical study of emerald crystals from the Campos Verdes mining district, Goiás State. G.M. Pulz, T.M.M. Brum, P.L. Juchem, L.J.H. DeR. Silva, L.B. Neto, and P. Barreto, Pesquisas, Vol. 25, No. 2, 1998, pp. 11-19 [in Portuguese with English abstract].
• Compositional variation of tourmaline in the granitic pegmatite dykes of the Cruzeiro mine, Minas Gerais, Brazil. M. Federico, G.B. Andreozzi, S. Lucchesi, G. Graziani, and J. César-Mendes, Canadian Mineralogist, Vol. 36, Part 2, 1998, pp. 415-431.
• Gem corundums and zircons from the Primorye placers. S.A. Ananyev, T.A. Ananyeva, V.K. Garanin, and G.P. Kudryavtseva, Proceedings of the Russian Mineralogical Society, Vol. 127, No. 4, 1998, pp. 120-124 [in Russian with English abstract].
• Gemstones of New England. G.B. Webb and F.L. Sutherland, Australian Journal of Mineralogy, Vol. 4, No. 2, December 1998, pp. 115-121.
• A note on buttala and Okkampitiya gem fields in Sri Lanka. R. Chandrajith, C.B. Dissanayake, and H.J. Tobschall, Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 47, No. 2, June 1998, pp. 69-76 (in English with German abstract).
• Philippine pearl report: The Philippines gathers strength for 21st century. B. Sheung, Jewellery News Asia, No. 169, September 1998, pp. 112-122 passim.
• Polar jade. F. Ward, Lapidary Journal, Vol. 52, No. 8, November 1998, pp. 22-26.
• Ruby-bearing mineralization in Sljudjansky complex of the south-western Baikal region. V.I. Levitsky and L.A. Pavlova, Proceedings of the Russian Mineralogical Society, Vol. 127, No. 6, 1998, pp. 84-88 [in Russian with English abstract].

INSTRUMENTS AND TECHNIQUES

• Fourier transform-Raman spectroscopy of ivory: A non-destructive diagnostic technique. H.G.M. Edwards, D.W. Farwell, J.M. Holder, and E.E. Lawson, Studies in Conservation, Vol. 43, No. 1, 1998, pp. 9-16.

JEWELRY HISTORY
 

• Fabulous fakes. L. Grant, Antiques & Collecting, No. 12, February 1999, pp. 38-43.
• René Lalique, Art Nouveau genius. C.L.E. Benesh, Ornament, Vol. 22, No. 2, Winter 1998, pp. 71-74.

JEWELRY MANUFACTURING

• Thermal and microchemical characterisations of CaSO₄-SiO₂ investment materials for casting jewellery alloys. G.M. Ingo, G. Chiozzini, V. Faccenda, E. Bemporad, and C. Riccucci, Thermochimica Acta, Vol. 321, No. 1/2, 1998, pp. 175-183.

JEWELRY RETAILING 

• Consumers seek gems that change colors. C. Fenelle, National Jeweler, Vol. 42, No. 22, November 16, 1998, pp. 16, 18.
• Designing a successful business. M.Z. Epstein, American Jewelry Manufacturer, Vol. 43, No. 6, June 1998, pp. 40-43, 45-48.
• Fixed flaws. D.A. Yonick, American Jewelry Manufacturer, Vol. 43, No. 9, September 1998, pp. 62-69, 71, 73.
• Technology and the retail jeweller. J. Lawrence, Diamond International, No. 55, September/October 1998, pp. 67-68.
• 12 hot tips: The inside scoop on what consumers want to see. R. Weldon, Professional Jeweler, Vol. 1, No. 11, December 1998, p. 87.

PRECIOUS METALS

• A sterling moment for silver. C. Soucy, National Jeweler, Vol. 42, No. 13, July 1, 1998, pp. 28, 30, 32-33.

SYNTHETICS AND SIMULANTS

• China company produces hydrothermal rubies. Jewellery News Asia, No. 169, September 1998, p. 50.
• Growth conditions and real structure of synthetic diamond crystals. Y.N. Pal'yanov, A.F. Khokhryakov, Y.M. Borzdov, A.G. Sokol, V.A. Gusev, G.M. Rylov, and N.V. Sobolev, Russian Geology and Geophysics, Vol. 38, No. 5, 1997, pp. 920-945.

TREATMENTS

• Treatment of natural diamonds in order to reduce the yellow or brown color saturation. K. Schmetzer, Goldschmiede Zeitung, Vol. 97, No. 5, May 1999, pp. 47-48 [in German].
• Belgium diamond report: Enhancing low quality coloured diamonds. Jewellery News Asia, No. 169, September 1998, pp. 320, 322.
• A new type of colour-treated diamonds. U. Henn and C.C. Milisenda, Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 48, No. 1, 1999, pp. 43-45 [in German with English abstract].
• Observation of the H2 defect in gem-quality type 1a diamond. P.R. Buerki, I.M. Reinitz, S. Muhlmeister, and S. Elen, Diamond and Related Materials, Vol. 8, No. 6, 1999, pp. 1061-1066.

MISCELLANEOUS 

• Reach for the sky. M.Z. Epstein, American Jewelry Manufacturer, Vol. 43, No. 10, October 1998, pp. 57-65.
• The right image. G. Dawson, American Jewelry Manufacturer, Vol. 43, No. 5, May 1998, pp. 92-96.

Editor:
A. A. Levinson, University of Calgary, Alberta, Canada
 
Review Board:
Anne M. Blumer - Bloomington, Illinois
Peter R. Buerki - GIA, Carlsbad
Jo Ellen Cole - GIA, Carlsbad
Maha DeMaggio - GIA Gem Trade Laboratory, Carlsbad
Michael Gray - Coast to Coast, Missoula, Montana
R. A. Howie - Royal Holloway, University of London
Mary L. Johnson - GIA Gem Trade Laboratory, Carlsbad
Jeff Lewis - GIA Gem Trade Laboratory, Carlsbad
Margot McLaren - GIA, Carlsbad
Elise Misiorowski - Los Angeles, California
Jana E. Miyahira-Smith - GIA Carlsbad
Carol M. Stockton - Alexandria, Virginia
Rolf Tatje - Duisburg University, Duisberg, Germany
Sharon Wakefield - Northwest Gem Lab, Boise, Idaho
June York - GIA Gem Trade Laboratory, Carlsbad

Appears on pages 160-172