Gem News International Gems & Gemology, Winter 1984, Volume 20, No. 4

Winter 1984 Gem News International


Diamonds
Australia: Mining Magazine Reports Loan for Argyle Development
India: Nearly 50 ct Golconda “D” Diamond Reappears
Thailand: Noted Gemologist Sinkankas Reports on Alluvial Diamonds
USA: Diamond Melts in Laboratory Accident at Cornell University
Punch-Jones Diamond Sold at Sotheby’s
World’s Largest Uncut Diamond (890 ct) On Display at Smithsonian
USSR: Scientists at USSR Academy of Science Produce Synthetic Diamond
Colored Stones
Yellow-Green Chrysoberyl Found in Queensland, Australia
Sri Lanka Cancer Institute Uses X-ray Equipment to Irradiate Yellow Sapphires
One of Largest, Finest Gem-Quality Opals Ever Discovered Found in Mexico
Notes on Danburite, Zircon, and Andalusite Translated from Spanish Gemology Bulletin
Treated Moroccan Anglesites
Large, Very Fine Emerald Crystal Recently Discovered in North Carolina
Precious Metals
Significant Gold and Ore Deposits Found in Alaska
First Precious Metals Refinery in Asia outside Japan Opens in Singapore
Sri Lankan Gold Jewelry to be Hallmarked
Synthetics
Gem-Quality Synthetic Jadeite Created at G.E.
Russian Hydrothermal Synthetic Emeralds
Announcements
102-ct Light Yellow Ashberg Diamond Currently on Display in Los Angeles
Tiffany Iris Corsage and Other Important Jewelry in Traveling Exhibition
Tucson Gem and Mineral Society’s 31st Annual Show Set for Tucson
Third Annual Meeting of the Association of Women Gemologists
ICA to Sponsor a Colored Gemstone Congress in Idar-Oberstein
22nd Burma Gem, Jade and Pearl Emporium Will Be Held in February 1985
Australian Jewelry Fair Will Be Held in Sydney February 16-20, 1985
Dates Announced for 1985 Basel Fair, Switzerland

To view the full section, download the PDF above.