Topaz from Mokrusha Mine, Sverdlovsk Oblast, Russia
A well-formed 1.5 cm blue topaz crystal surrounded by several smoky quartz crystals on top of a wedge shaped matrix of cleavelandite. Personnal collection (ex-Smithsonian Museum, Jesse Fisher and Kiyoshi Kiikuni collections. #T8
hard, glassy orthorhombic crystals from pegmatites and rhyolites; colors range from colorless to pink; sharp terminations aid identification, localitie…
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