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Comments: A very brilliant tetrahedrite group with the tops of the crystals covered in chalcopyrite.
Location: Casapalca, Lima, Peru.
Scale: 8 x 6 cm.
© Fabre Minerals
Comments: Bright sharp metallic tetrahedrite crystals to 1 cm in size on pinkish to colorless crystalline calcite matrix.
Location: Cavnic (Kapnik), Maramures, Romania.
Scale: 14 x 11 x 3 cm.
© Dan Weinrich