Chalcopyrite Mineral information, data and localities.
Chalcopyrite Group. Chalcopyrite Eskebornite Series. A major ore of copper. Common in sulfide veins and disseminated in igneous rocks. Weathering may lead to the formation of malachite, azurite, brochantite, langite and numerous other secondary copper minerals. A Zn rich variety is known from Atlantis II Deep (see zincian chalcopyrite). Compare, e.g., UM1991 16 SCuFeTl, UM1988 17