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RM1691   Tetrahedrite with chalcopyrite, siderite and quartz

Casapalca Mine, Casapalca, Huarochiri, Lima, Peru

Very rich specimen formed by several tetrahedrite crystals, sharp, brilliant, with golden facets due to chalcopyrite. They show forms of the tetrahedron and the cube, together with more complex ones. They are disposed very aesthetically on a matrix covered with quartz crystals and peppered by globular orange siderite. A very esthetic specimen, for lovers of crystallography and sulfides. Analysis show a silver content.


Size: 8.3 x 6.0 x2.7 cm.
Main crystal: 10 x 8 mm.

Analyzed specimen with report


 
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