Lab NotesGems & Gemology, Winter 2003, Volume 39, No. 4

Winter 2003 G&G Lab Notes

Chrysocolla “Owl” Agate Interesting Red Coral Coated Diamonds Natural Emerald with Abundant Nail-Head Spicules Emerald With Strong Dichroism High-R.I. Glass Imitation of Tanzanite Large Clam “Pearl” Blue Sapphires with Unusual Color Zoning Spinel with Filled Cavities To view the full section, download the PDF above.

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