Summer 1999 Gem News International
Diamond Presentations at the PDAC Conference
Diamond Octahedra in Jewelry
First Diamonds from the Merlin Project, Australia
A Review of “GE-Processed” Diamonds
Colored Stones and Organic Materials
International Colored Gemstone Association Congress
Andradite (Including Demantoid) from Canada
Trapiche Cat’s-Eye Emeralds
Natural Pearls from the Northern Cook Islands
Twelve-Rayed Star Sapphire from Madagascar
Blue, Pink, and Purple Sapphires from Ilakaka, Madagascar
Other Gems from Near Ilakaka
Tanzanite Fluorescence: A Seldom-Noted Property
Tanzanite Mining Update
A New Source for Tsavorite
Synthetics and Simulants
Synthetic Beryl Showing Zoned Pleochroism
Polymer-Impregnated Synthetic Fire Opal from Kyocera
Miscellaneous
A New Cut for Colored Stones
Pearl Branding: “Utopia” Cultured Pearls
Announcements
Hong Kong Jewellery & Watch Fair ‘99
Cartier at the Field Museum
Gem Conference 99
Jewellery Arabia 99
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