DIAMONDS

• Extreme wear on diamonds
• How many diamonds are there in Arkansas?

COLORED STONES AND ORGANIC MATERIALS

• Prospecting for beryl in Saudi Arabia
• Lab Alert: Radioactive cat's-eye chrysoberyls
• Demantoid garnets from Russia...
• ...and from Namibia
• 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 

Appears on pages 220-230