Summer 1999 G&G Lab Notes
Diamond with Abundant Etch Channels
Synthetic Black Diamond
Group of 18 Synthetic Diamonds Submitted at One Time
A New Tanzanite Imitation: Synthetic Forsterite
Update on Non-Nacreous Pearls
Orangy Pink “Padparadscha” Synthetic Sapphire
Early Blue Synthetic Sapphire?
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