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Locality: Tsumeb, Oshikoto Region, Namibia
Size: 41 mm x 19 mm x 24 mm (1.6 in. x 0.7 in. x 0.9 in.)
Weight: 24 g (0.8 oz.)
Black tennantite to 19 mm with brass-colored chalcopyrite to ~1 mm, and quartz to ~2 mm.