Fall 2011

Gem News International

DIAMONDS
Type Ib Greenish Brown Diamonds with a Color Shift

COLORED STONES AND ORGANIC MATERIALS
Gem-Quality Afghanite from Afghanistan
Iridescent Ammonite from Madagascar
Aquamarine from Thanh Hoa Province, Vietnam: Mining Update
Purplish Blue and Red-Brown Chalcedony from Peru
Update on Emerald Mining in Afghanistan
A Deep Green Fuchsite-Rich Rock
Color-Change Garnet from Nandagala, Tanzania
An Examination of Some Colorless gems from Myanmar
Nuummite from Mauritania
Blue Opal Showing Play-of-Color from Sinaloa, Mexico
Pallasite Pendants
Chinese Freshwater Cultured Pearls Beaded with Baroque Freshwater Cultured Pearls
Quartz with Spessartine Inclusions
Pink Cat’s-Eye Quartz, with Color and Chatoyancy Caused by Tourmaline Needles
An Exceptional Rhodochrosite Carving
Sapphire and Zircon from Ethiopia
Update on Sapphire Mining in Sri Lanka
Green Cat’s-Eye Spodumene from Brazil
A Color-Zoned Topaz
Variscite from Peru

SYNTHETICS AND SIMULANTS
An Accidental Corundum and Lead Glass Triplet?
Glass Triplet Resembling Coated “Mystic Topaz”

CONFERENCE REPORTS
ICA Congress 2011
Scottish Gemmological Conference 2011
Sinkankas Diamond Symposium 2011—Diamond

MISCELLANEOUS
A Jewel that Survived 9/11
Update on Myanmar Gem Sales and Production

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