Baumstarkite, Miargyrite

Unknown Owner

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This piece consists of rounded crystal-aggregates up to an amazing 1 cm in size. The flattened platy crystals are Baumstarkite, a dimorph of miargyrite. The deep charcoal color and metallic luster are very good. The matrix is a mixture of Baumstarkite and Miargyrite. Ex. Charlie Key.