Fall 1985 G&G; Lab Notes

Black Star Sapphire Doublet
Surface-Induced Stars in Corundum
Diamond for High Rollers
Diamond Simulants, Damage during Jewelry Repair
Synthetic Emerald
Plagioclase Feldspar and Green Muscovite Mica
Garnet Cat's-Eye Demantoid
Grossularite Garnet
Jadeite with Unusual Inclusions
Imitation Lapis Lazuli
Unusual Cultured Pearls
Sapphirine: A Rarely Encountered Cut Stone
 
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