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Fine, crystallized copper with some small datolite crystals. Classic USA specimen! Locality: Central mine, Central, Keweenaw County, Michigan, USA Size: 7.1 x 4.8 cm Click here to see a video!
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Cluster of octahedral Cuprites with good crystals of Silver and Copper attached. Locality: Rubtsovsk Mine, Rubtsovsky District, Altai Krai, Russia Size: 3.1 x 2.9 cm Click here to see a video!