Sulvanite, Calcite
South Thorpe Hills copper prospect, Greeley Mining District, Tooele County, Utah, USA
5.9 x 4.7 x 1.5 cm. Sulvanite is a rare Cu-V sulfosalt with specimens seldom available from this obscure Utah locality. Clusters of blocky, isometric, lustrous metallic-gray crystals, to 2 mm, are scattered on the sculptural, 3-dimensional calcite plate covered with nail-head and rhombic calcite crystals. Excellent and rare combination material ...
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