Tetrahedrite with Chalcopyrite

Tetrahedrite-(Fe) – Cu₆(Cu₄Fe₂)Sb₄S₁₃

Elements: Copper, Iron, Antimony, Sulfur

Class: Sulfides – Sulfosalts

Hardness: 3-4.5

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Chalcopyrite – CuFeS₂

Elements: Copper, Iron, Sulfur

Class: Sulfides

Crystal System: Cubic

Hardness: 3.5-4

Fluorite

Talc (1)Diamond (10)

Softer than glass. A steel knife scratches it.

Origin: Casapalca Mine, Casapalca Huarochiri Province, Lima – Peru

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