Lab NotesGems & Gemology, Fall 1986, Volume 22, No. 3

Fall 1986 G&G Lab Notes

曼谷

Fused Amber

Diamond Fanciful Cuts Created By Laser Sawing

Natural-Color Light Green Diamonds

Unusual Inclusion in Diamond

Jade Doublet

Dyed Lapis Lazuli

Black Cultured Pearls

A Black Natural Pearl with Unusual Fluorescence

Blue to Gray Saltwater Cultured Pearls

Unusual Yellowish Green Tourmaline

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Fall 1986 Lab Notes | Gems & Gemology