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Chemical Formula: R3R2(SiO4)3 (R = Various elements that contribute to the species of garnet
Perfect as the centerpiece in a fossil case or mantel
Size: 10
Both pincers are present
Gold Sheen Obsidian Bracelet Chemical Formula: R3R2(SiO4)3 (R =Stone: Obsidian Bead: Round 8mm Average Length: 7 in. Obsidian is a naturally occurring form of volcanic glass. Obsidian forms as lava cools very rapidly and is not considered a mineral as its lacks any form of crystal structure. It is said that obsidian is actually a mistranslation from Pliny the Elder's Natural History. The first spelling of the word was obsian. Obsidian has been used to make surgical blades and arrowheads throughout history because