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Collection: Covellite

Formula: CuS
"Extended" formula:  Cu+4Cu2+2(S2)2S2 (Goble, 1985).
Colour: Indigo-blue or darker, inclining towards blue-black, often iridescent with purplish, deep red, and brassy-yellow reflections.
Luster: Sub-Metallic
Hardness: 1½ - 2
Specific Gravity: 4.6 - 4.76
Crystal System: Hexagonal
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1 product
  • Covellite Crystal Specimen.
    Covellite Crystal Specimen. - The Crystal Connoisseurs
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