Lab Notes Gems & Gemology, Fall 1994, Volume 30, No. 3

Fall 1994 G&G Lab Notes

Ceramic Statue
Large "Knot" in Citrine
Americium-Treated Green Diamond
Unusual Triangular Inclusion in a Diamond
Grossular-Diopside Rock
Iron-Rich Hornblende
Exceptionally Translucent Jadeite Jade Necklace
Jadeite Jade with Impregnating Substance in Drill Hole
"Banded" Natural-Colored Natural Pearl
Color-Treated Cultured Pearl
Natural-Color Sapphire with Unusual Fluorescence
Color-Zoned Synthetic Sapphire
Serpentine and Forsterite Rock
Detecting Impregnated Turquoise
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