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chalcocite

XDict

n. 辉铜矿

PyDict

辉铜矿

WordNet (r) 3.0 (2006) (WordNet)

chalcocite
n 1: a heavy grey mineral that is an ore of copper [synonym:
{chalcocite}, {copper glance}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Chalcocite \Chal"co*cite\, n. [Gr. chalko`s brass.] (Min.)
Native copper sulphide, called also {copper glance}, and
{vitreous copper}; a mineral of a black color and metallic
luster. [Formerly written {chalcosine}.]
[1913 Webster] Chalcographer

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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
Secondary mineral in or near the oxidized zone of copper sulfide deposits Cornwall, England and Butte, Montana Link to MinDat org Location Data From the Greek, meaning chalkos, "copper" Comments: Chalcocite crystals in this specimen vary in size up to 1 2 cm across Location: Bristol nr Hartford, Connecticut, USA Scale: 7 6 x 4 cm
Chalcocite | Copper Ore, Sulfide Ore, Ore Mining | Britannica
Chalcocite (Cu 2 S) belongs to a group of sulfide minerals formed at relatively low temperatures (see also argentite) Chalcocite alters to native copper and other copper ores
Chalcocite: The mineral Chalcocite information and pictures
Detailed properties and locality information guide about the copper ore mineral chalcocite: bristol, cornwall
Chalcocite Archives - Cochise College Geology
Crystal Forms and Habits: Orthorhombic system Uses: Copper ore Additional Information: Chalcocite comes from the Greek word, chalcos, meaning copper ore
CHALCOCITE
Chalcocite is a significant copper ore mineral having the formula Cu2S - copper sulfide It's got a metallic luster, a dark gray to black color streak, no obvious cleavage, is moderately heavy for its size, and is moderately soft (H = 2 5 to 3)
Chalcocite - Korhogo Minerals
Chalcocite is a copper sulfide mineral with the formula Cu2S As a member of the copper sulfide family, it has a high copper-to-sulfur ratio and is often one of the richest copper ores by weight Typical specimens are opaque with a metallic luster and a color ranging from lead-gray to nearly black
Chalcocite Cu2S - Handbook of Mineralogy
Occurrence: An uncommon primary hydrothermal mineral but important as a secondary mineral Found in or below the zone of oxidation in hydrothermal veins and in large low-grade porphyry copper orebodies Pyrite, chalcopyrite, covellite, bornite, molybdenite, many other sulfides and their alteration products
CHALCOCITE (Copper Sulfide) - Amethyst Galleries
The chalcocite blanket is richer in copper than the upper oxidized portion of the ore body and usually richer than the primary unaltered ores below The chalcocite blanket represents a real gold mine, or should that be copper mine, to the copper prospectors

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