Spring 2010 Gem News International
Colored Stones and Organic Materials
Update on Ametrine from the Yuruty Mine, Bolivia
Andradite from China
Barite from Brazil
Hanksite as a Gem Material
Lepidolite Beads from Mozambique
“Soufflé” Freshwater Cultured Pearls
“Churrasco Quartz” with Tourmaline and Chamosite Inclusions from Brazil
Cat’s-Eye Rhodonite
GNI Regular Features
Diamonds
A Large Hydrogen-Rich Diamond with a Cuboid Phantom Cloud
Colored Stones and Organic Materials
Diopside from Ihosy, Madagascar
Garnet and Zircon from the Solomon Islands
Tsavorite Mining at Namalulu, Northern Tanzania
Synthetics and Simulants
Treated CVD-Grown Pink Synthetic Diamond Melee
Treatments
A Be-Diffused Sapphire with Interesting Zoning Patterns
Dyed Conch Shell Beads
Miscellaneous
Unusual Gemstone Tapestry
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