Lab NotesGems & Gemology, Summer 1982, Volume 18, No. 2

Summer 1982 G&G; Lab Notes

Alexandrite Diamond Emerald Fakes Grossularite Garnet Dangers of Heating Jadeite during Jewelry Repair Kornerupine with Apatite Inclusions Flow Structure in Opal Oolitic Opal Opal Doublet Mysterious Pearls in Shells Unusual Natural Pearl Synthetic Star Ruby Dangers of Heating Sapphires during Jewelry Repair Natural Sapphire with Heat-Induced Star Treated Synthetic Sapphire Inclusions in Spinel Cat's-Eye Tourmaline To view the full section, download the PDF above.

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Summer 1982 G&G; Lab Notes