Winter 2003 Gem News International
A Comparison of Three Historic Blue Diamonds
A Natural Yellow Diamond with Nickel-Related Optical Centers
Colored Stones and Organic Materials
Gem-Quality Afghanite
Blue Beryl Discovery in Canada
Gem-Quality Corundum from Colombia: Localities and Inclusions
Emeralds from Madagascar with Strong Blue/Green Dichroism
Peruvian Blue Opal
Some Interesting Pearls from the North American West Coast
“Platinum Quartz”
Some Rare Faceted Gem Materials
Large Scapolite from Tanzania
Update on Tanzanite Mining by AFGEM
Synthetics and Simulants
Chatoyant Glass Cabochons from China
New Synthetic Opal Varieties
Plastic Imitations of a Walrus Tusk and a Sperm Whale Tooth
Conference Reports
Antwerp Diamond Conference
Rapaport International Diamond Conference
Announcements
2004 AGTA Cutting Edge Award Winners
Professional Jeweler’s Stone of the Year
Afghanistan/Pakistan Gem Tour
Conferences
PDAC 2004
ICNDST-9 in Tokyo
BASELWORLD 2004
GAC-MAC Joint Annual Meeting
GAA Conference
Santa Fe Symposium
20th Colloquium of African Geology
GEORAMAN 2004
Geoscience Africa 2004
International Geological Congress
Gems of Pacific Continental Margins
Diamond 2004
ICAM 2004 in Brazil
Exhibits
Turquoise at the San Diego Museum of Man
Jade at the Field Museum
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