Diamonds Kimberley Process Ratified Colored Stones and Organic Materials Alexandrite from Mananjary, Madagascar Color-Change Apatite from Kazakhstan New Emerald Find from the Chivor Region, Colombia Important Discovery of Jadeite in Guatemala Faceted Milarite with Unusual Inclusions Spinel Crystal with an Unusual Shape More Tourmaline from Warner Springs, California Faceted Rossmanite and other Tourmalines from Nigeria Uvite Tourmaline from Afghanistan Synthetics and Simulants An Assembled Agate “Nodule” A Glowing Manufactured Gem “Rainbow Calsilica” Heat Treatment Experiments on Faceted Amber An Update on Be-Diffused Corundum Orange Topaz with Synthetic Hematite Coating Conference Reports Diamond Presentations at the Annual Australian Diamond Conference Antwerp Diamond Conference Antwerp Gem Conference Announcements Beryllium: A Known Carcinogen Conferences PDAC 2003 Will Take Place in Toronto in March Basel 2003 Scheduled for April Moscow Gemology Colloquium Takes Place in Moscow in April Gems and Industrial Minerals Conference Will Occur in Reno in May GAC-MAC-SEG Meeting Set for Vancouver in May Maine Pegmatite Workshop Included in Field Studies Kimberlite Conference Planned in Victoria in June In Memoriam Prof. Dr. Pieter C. Zwaan, 1928–2002, Gems & Gemology author and noted gemologist To view the full section, download the PDF above.
Diamonds Kimberley Process Ratified Colored Stones and Organic Materials Alexandrite from Mananjary, Madagascar Color-Change Apatite from Kazakhstan New Emerald Find from the Chivor Region, Colombia Important Discovery of Jadeite in Guatemala Faceted Milarite with Unusual Inclusions Spinel Crystal with an Unusual Shape More Tourmaline from Warner Springs, California Faceted Rossmanite and other Tourmalines from Nigeria Uvite Tourmaline from Afghanistan Synthetics and Simulants An Assembled Agate “Nodule” A Glowing Manufactured Gem “Rainbow Calsilica” Heat Treatment Experiments on Faceted Amber An Update on Be-Diffused Corundum Orange Topaz with Synthetic Hematite Coating Conference Reports Diamond Presentations at the Annual Australian Diamond Conference Antwerp Diamond Conference Antwerp Gem Conference Announcements Beryllium: A Known Carcinogen Conferences PDAC 2003 Will Take Place in Toronto in March Basel 2003 Scheduled for April Moscow Gemology Colloquium Takes Place in Moscow in April Gems and Industrial Minerals Conference Will Occur in Reno in May GAC-MAC-SEG Meeting Set for Vancouver in May Maine Pegmatite Workshop Included in Field Studies Kimberlite Conference Planned in Victoria in June In Memoriam Prof. Dr. Pieter C. Zwaan, 1928–2002, Gems & Gemology author and noted gemologist To view the full section, download the PDF above.
