Gem News InternationalGems & Gemology, Summer 2008, Volume 44, No. 2

Summer 2008 Gem News International

Diamonds Bird-like Inclusion in Diamond A Colorless Diamond Showing Strong Phosphorescence Colored Stones and Organic Materials Almandine-Spessartine from Lindi, Tanzania “Red Andesine” from China: Possible Indication of Diffusion Treatment Orange Beryl from India Chromium-Rich Clinochlore (Kämmererite) from Turkey Yellow Danburite from Tanzania Lawsonite from Marin County, California Green Mica (Paragonite) from Pakistan An Interesting Opal Engraved Black Cultured Pearls Pinctada Maxima Cultured Pearls Grown Beadless in the Mantle Twinned Cultured Pearl Interplanetary Cat’s-Eye Peridot New Rubies from Central Tanzania Ruby and Sapphire Mining at Winza, Tanzania A Sapphire with En Echelon Inclusions Serpentinite Artifact Resembling Libyan Desert Glass Star and Cat’s-Eye Topaz from Brazil A New Source of Persian Turquoise: Kerman, Iran A Rare Faceted Yellow Vanadinite Synthetics and Simulants Experimental CVD Synthetic Diamonds from LIMHP Unusual Glass Imitation of Rubellite Tourmalines and Their Imitations Obtained in Kandahar, Afghanistan Conference Reports Sinkankas Garnet Symposium 2008 Scottish Gemmological Association Conference Announcements CIBJO Introduces Precious Metals Blue Book Exhibits Exhibits at the GIA Museum In Memoriam George S. Switzer (1915–2008), distinguished mineralogist To view the full section, download the PDF above.

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Summer 2008 Gem News International