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  • Chalcocite - Wikipedia
    Chalcocite ( ˈkælkəˌsaɪt ), [6][7] copper (I) sulfide (Cu 2 S), is an important copper ore mineral It is opaque and dark gray to black, with a metallic luster
  • Chalcocite: Mineral information, data and localities.
    Chalcocite easily converts to djurleite under the electron beam through the rearrangement of Cu atoms (Pósfai and Buseck, 1994) Small amounts of the Cu2S phase may deposit from supersaturated volcanic gas, as shown in an experiment (Africano et al , 2002; 300-700oC deposition range for this particular experiment) Compare UM2003-43-S:CuFePdPt
  • Chalcocite Mineral Data
    General Chalcocite Information Chemical Formula: Cu2S Composition: Molecular Weight = 159 16 gm Copper 79 85 % Cu Sulfur 20 15 % S ______ 100 00 % Empirical Formula: Cu 2 S Environment: Secondary mineral in or near the oxidized zone of copper sulfide deposits IMA Status: Valid Species (Pre-IMA) 1832 Locality: Cornwall, England and Butte, Montana Link to MinDat org Location Data Name Origin
  • Chalcocite | Copper Ore, Sulfide Ore, Ore Mining | Britannica
    Chalcocite, sulfide mineral that is one of the most important ores of copper Valuable occurrences include deposits of sulfide minerals at Ely, Nev , and Morenci, Ariz , where other components of the original rock have been dissolved away; it is also found with bornite in the sulfide veins of
  • CHALCOCITE
    Chalcocite is found with other copper minerals such as chalcopyrite It usually forms in the near-surface, secondary enrichment zone at below the water table, in areas having copper mineralization Chalcocite (3 7 cm across) from the Butte Mining District, southwestern Montana, USA Butte was the top copper producer on Earth for many decades
  • Chalcocite - Korhogo Minerals
    Chalcocite is a striking and economically important copper-bearing mineral that has played a major role in the extraction of copper for more than a century With the chemical formula Cu2S, chalcocite appears as dense, metallic-gray to black masses and is frequently encountered in enriched zones of copper deposits This article explores its physical and chemical […]
  • How to Identify Chalcocite | Properties, Meaning Uses
    How to identify Chalcocite: Learn its key properties (hardness 2 5 - 3, Blue black color), uses, and meaning Complete identification guide with photos and detailed information
  • Chalcocite – WGNHS – UW–Madison
    Chalcocite is formed either as a primary vein mineral or, more typically, in supergene deposits where it forms as a result of the redeposition of copper from the breakdown of minerals such as chalcopyrite or bornite Chalcocite is distinguished with difficulty from digenite (Cu9S5) and djurleite (Cu31S16), both of which may form by the leaching of chalcocite Chalcocite is thus used here to
  • 30 Facts About Chalcocite
    Discover 30 fascinating facts about Chalcocite, a valuable copper ore mineral Learn its properties, uses, and significance in the mining industry
  • Chalcocite Cu2S - Handbook of Mineralogy
    Chalcocite Cu2S c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic, pseudo-orthorhombic Point Group: 2 m or m Crystals are short prismatic [001], thick to tabular {001}, to 12 cm across, and prismatic [100], to 25 cm long; {001} is striated k [100] Massive, compact, fine powdery





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