Fall 1997 Gem News International
Extreme Wear on Diamonds
How Many Diamonds Are There in Arkansas?
Colored Stones and Organic Material
Prospecting for Beryl in Saudi Arabia
Lab Alert: Radioactive Cat's-Eye Chrysoberyls
Demantoid Garnets from Russia
Namibian Demantoid Garnets
A Gem-Quality Ettringite Group Mineral, Probably Sturmanite
Bicolored Grossular-Andradite Garnets from Mali
More on Opal from Shewa, Ethiopia
Gem Rhodonite from Australia
Treatments
“Pink Geuda” Sapphires from Vietnam and Their Treatment
Synthetics and Simulants
Change-of-Color Synthetic Sapphires Represented as yet Another “New Find”
GGG from Russia
Miscellaneous
Gems & Gemology Author Wins European Cutting Competition
Standards Issued for the Jewelry Industry in China
Announcements
Dates Set for February 1998 Tucson Shows
Visit Gems & Gemology in Tucson
International Society of Appraisers
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