Lab NotesGems & Gemology, Winter 1997, Volume 33, No. 4

Winter 1997 G&G; Lab Notes

Unheated Aquamarine Carving Treated Color Beryl Diamond Acting as a Heat Sink Fracture-Filled Pink Diamond Mysteriously Fractured Diamonds A Very Dark Pyrope-Almandite Garnet Synthetic Sapphire Sunglasses To view the full section, download the PDF above.

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Winter 1997 Lab Notes | Gems & Gemology