Lab Notes Gems & Gemology, Spring 1984, Volume 20, Issue 1

Spring 1984 G&G Lab Notes

Beryl, with Iridescent Coating
Coral, Dyed Blue with Plastic Coating
Diamond with Unusually Large Laser Holes
A Successful Laser Experiment with Diamond
Oiled Emerald,
Magnetic Hematite
Dyed Jadeite
Dyed Nephrite
Hollow Natural Pearl
Ruby, "Manufactured" Mineral Specimen
Scapolite, a New Cat's-Eye from Kenya
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