Lab Notes Gems & Gemology, Spring 2002, Volume 38, No. 1

Spring 2002 G&G Lab Notes

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Diamond Color Grade vs. Value for Fancy Colors
Diamond with Eclogitic Inclusions
Diamond with a Large Void
Gem-Quality Genthelvite
Jadeite Carving: Assembled, Dyed, and Impregnated
Coated Natural Pearls
Spinel in Heat-Treated Blue Sapphire
 
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