Summer 1988 G&G Lab Notes
Grayish Purple Diamond
Diamond Saint Valentine's Inclusion
Treated Pink Diamond
Biron Synthetic Emerald
Unusual Glass
Jadeite Pendant
Jadeite Teapot
Imitation Pearls
A Rare Cultured Pearl
Plastic Costume Jewelry
Black Pyrope Garnet
Synthetic Sapphire
Brecciated Tiger's-Eye Quartz
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