Green Conichalcite with calcite on limonite rock matrix.
Dimensions (millimeters): 25 x 25 x 15
Dimensions (inches): 1 x 1 x .6
Origins: Mina Ojuela, Mapimi, Durango, Mexico
Conichalcite is a copper mineral (CaCu(AsO4)(OH))
Ojuela was a small mining settlement near the town of Mapimí. The settlement is now a ghost town as a result of the ore being exhausted.
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