Gem News International Gems & Gemology, Summer 2007, Volume 43, No. 2

Summer 2007 Gem News International

            Bar Code Technology Applied to Diamonds
            U.S. Supreme Court Ruling may Affect Viability of Some Diamond Cut Patents
Colored Stones and Organic Materials
            First Discovery of Amazonite in Mexico
            Astorite: A Rhodonite-Rich Rock from Colorado
            Color-Change Bastnäsite-(Ce) from Pakistan
            Citrine with Pyrite Inclusions
            Unusual Danburite Pair
            Fluorite from Ethiopia
            Heliodor and Other Beryls from Connecticut
            Cat’s-Eye K-Feldspar and other Chatoyant Gems from Tanzania
            Green Opal
            Chinese Akoya Cultured Pearls
            Pyrope-Almandine from Tanzania
            Pink-to-Red Tourmaline from Myanmar
Synthetics and Simulants
            Glass Object with Circular Bands
            Heat-Treated Kashan Flux-Grown Synthetic Ruby
            Synthetic Star Sapphire with Hexagonal Features
            Pink Synthetic Spinel Colored by Iron
            A New Imitation of Imperial Topaz
            KPMG Report Predicts Growth for the Global Jewelry Industry
Conference Reports
            Sinkankas Symposium: The Jades
            New CIBJO Blue Book Available
            AGTA Spectrum Awards Competition
            Exhibits at the GIA Museum in Carlsbad
            Gold at AMNH
            Wine and Gems in Dijon
            Jewelry of Ben Nighthorse
            Gems! Colors of Light and Stone at the Bowers Museum
To view the full section, download the PDF above.           


Additional Figures 
Submitted by Laurent Massi
July 30, 2007