Fall 1988 G&G Lab Notes
Dyed Spangled Amber
Chinese "Onyx" Augite
Calcareous Concretion
Treated Green Diamonds
Assembled Ironstone Opal
Opaline "Rock"
South Seas Cultured Pearl
Flux at the Surface of a Synthetic Ruby
Sagenitic Stones
Abraded Sapphire
Synthetic Brown Star Sapphire
Taaffeite with Unusual Fluorescence
Triphylite
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