Lab Notes Gems & Gemology, Summer 2001, Volume 37, No. 2

Summer 2001 G&G Lab Notes

Diamond “Banded” Twinned Crystal
Diamond with a Carbonate Inclusion
Diamond with Unusual Mineral Inclusions
Feldspar with Chrome Diopside Inclusions
Gibbsite Dyed to Imitate Nephrite
Devitrified Glass Resembling Jade
Early Japanese Assembled Cultured Blister Pearls
Dyed Black Faceted Cultured Pearls
A New Imitation: “Shell Pearls” with a Calcite Bead
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