ラボの記録 Gems & Gemology, Volume 45, No. 2

Summer 2009 G&G Lab Notes


Bicolored Diamond
“Black” Diamond with Deep Violet Color
Carved Diamond Crucifix
Rare Type IIb Gray-Green Diamond
Unconventional Diamond Cuts
Pink CVD Synthetic Diamond
Rare Star Peridot
Tourmaline with Silver and Gold Chatoyancy
Eljen Treated Turquoise
 
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