Winter 2007 G&G Lab Notes
Atypical Photoluminescence Feature in a Colorless Type IIa Diamond
Diamond Inclusions Fit for a Holiday Season
Diamond With Large Etch Channels Filled with Iron Sulfides
Natural Black Diamond with Oriented Etch Channel
The Pareidolia of Diamonds
A Notable Emerald Carving
Gold Coated Onyx
Sapphire with a Double Star
Impregnated Glass Imitation of Turquoise
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