
Riebeckite
crystal
Also known as Crocidolite (asbestiform variety), Blue Asbestos (crocidolite)
Preview
Collector interest in solid prismatic crystals from alkali granites. Crocidolite (blue asbestos) is historically important but must be handled as a hazardous material, not a crystal-work stone. Complements arfvedsonite as a related sodium amphibole.
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