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MD-151623
Tetrahedrite, Sphalerite, Quartz
Casapalca, Huarochiri Province, Lima Department, Peru
Cabinet, 15.9 x 11.9 x 5.9 cm
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A BIG, RICH specimen of whopper tetrahedrites from Peru! These crystals, some with a thin coating of brassy chalcopyrite, measure to 2.5 cm along the edge. There is a bit of damage to a few corners, but very modest. In the crook of the specimen is a cluster of quartz crystals that have grown on a patch of sphalerite, which is intergrown with the tetrahedrites.