Winter 2009

Lab Notes

A New CHALCEDONY Treatment

DIAMOND
DiamondView Indicates Treatment in Irradiated Brown-Orange Diamond
Diamond with Flower-Shaped Cloud
Unusual Trigon-Shaped Clouds Indicate Two Diamonds Cut from the Same Piece of Rough

Fancy Intense Blue Type IIb SYNTHETIC DIAMOND

Colorless Cat’s-Eye PHENAKITE

Blue SAPPHIRES, Diffusion Treated with both Titanium and Beryllium

Interesting Inclusion Aggregate in TSAVORITE

Uranium Mineral as Inclusions in TURQUOISE

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