Lab Notes Gems & Gemology, Summer 1996, Volume 32, No. 2

Summer 1996 G&G Lab Notes

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Some Unusual Diamond Cuts
Natural Color Jadeite Jade
Imitation Jade
A Pearl Mystery
Pyrope Garnet
Quench-Crackled Synthetic Ruby
A Natural Sapphire Mistaken for a Doublet
Sapphire with an Unusual Star
 
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