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Bead, mangano calcite (coated), opaque to semitranslucent, 8mm hand-cut round, B grade, Mohs hardness 2-1/2 to 3. Sold per 15-1/2" to 16" strand. - Fire Mountain Gems and Beads
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Minerals and Crystals — Calcite coated Kutnohorite and Mangano Calcite... | Crystals, Minerals and gemstones, Crystals minerals
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Amazon.com: Mangano Calcite Tumble Stone (20-25mm) - Single Stone: CrystalAge: Health & Personal Care
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