Lab Notes Gems & Gemology, Spring 1999, Volume 35, No. 1

Spring 1999 G&G Lab Notes

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Alexandrite with a Fish-Eye Effect
Diamond with a Stellate Cloud
Invisible Filler in Emerald
Glass Imitation of Peridot
Jadeite with Unusual Evidence of Enhancement
Black Cultured Pearls with Surface Enhancement
Imitation Tahitian Pearls
Cat’s-Eye Taaffeite
 
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