Spring 1986 G&G Lab Notes
Calcite Marble Beads
Golden Yellow Danburite from Sri Lanka
Diamond Alphabet
Ekanite, a Markedly Radioactive Metamict Gemstone
Emerald with Iridescent Coating
Glass Miciobilles from Arizona
Hornblende Amphibole, Magnesian Hastingsite
Lapis Lazuli Imitation, Dyed Blue Quartzite
Oolitic Opal with Chalcedony Matrix
Pearls with Unusual Drilling Features
Sapphire, Pinkish Orange ("Padparadscha")
Yttrium Aluminum Gallium Garnet
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