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Chalcopyrite: Revision history

From cornish semiconductor corporation

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27 June 2026

21 June 2026

  • curprev 16:0016:00, 21 June 2026 Cornish semiconductor talk contribs 936 bytes +77 No edit summary
  • curprev 15:5915:59, 21 June 2026 Cornish semiconductor talk contribs 859 bytes +859 Created page with "* Lustre:Metallic * Transparency:Opaque * Colour:Brass yellow, often with an iridescent tarnish. * Streak:Greenish black * Hardness:3½ - 4 on Mohs scale * Tenacity:Brittle * Cleavage:Poor/Indistinct Indistinct on {011}, sometimes distinct. * Fracture:Irregular/Uneven [https://www.mindat.org/min-955.html Data from mindat.org] Chalcopyrite is the main ore of copper, is softer than pyrite and fairly easy to find in usable quantities. It's rarely well crystallised, but fo..."