Lab Notes Gems & Gemology, Spring 1985, Volume 21, No. 1

Spring 1985 G&G Lab Notes

Heat Treated Amethyst
Garnet Almandite, Exhibiting both Chatoyancy and Asterism
Massive Grossularite Garnet Carving
Damaged Mabe Pearls
Pearl Simulants, Shell Hinges
Multi-Star Quartz
Ruby with Unusual Inclusions
Sapphire Simulant, Synthetic Green Spinel and Synthetic Blue Sapphire Doublet
Turquoise Simulant, Dyed Magnesite
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