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Chalcocite Mineral Data
http://webmineral.com/data/Chalcocite.shtml
WEBChemical 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.
DA: 88 PA: 43 MOZ Rank: 79
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Chalcocite - Wikipedia
https://en.wikipedia.org/wiki/Chalcocite
WEBFormula (repeating unit) copper(I) sulfide: Cu 2 S: IMA symbol: Cc: Strunz classification: 2.BA.05a: Crystal system: Monoclinic: Crystal class: Prismatic (2/m) (same H-M symbol) Space group: P2 1 /c: Unit cell: a = 15.246(4) Å, b = 11.884(2) Å, c = 13.494(3) Å; β = 116.35(1)°; Z = 48: Identification; Color: Dark gray to black: Crystal habit
DA: 89 PA: 30 MOZ Rank: 70
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Chalcocite: Mineral information, data and localities.
https://www.mindat.org/min-962.html
WEBFormula: Cu2S. Colour: Blue black, gray, black, black gray, or steel gray. Lustre: Metallic, Sub-Metallic. Hardness: 2½ - 3. Specific Gravity: 5.5 - 5.8. Crystal System: Monoclinic. Member of: Chalcocite-Digenite Group. Name: Named chalcosine in 1832 by François Sulpice Beudant from Greek, "chalkos", copper.
DA: 14 PA: 44 MOZ Rank: 19
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Chalcocite: The mineral Chalcocite information and pictures
https://www.minerals.net/mineral/chalcocite.aspx
WEBIt often forms in association with Chrysocolla, with the Chrysocolla forming as an alteration around the Chalcocite. Chalcocite is named after the Greek word chalcos, which means "copper" in Greek, in allusion to the copper content …
DA: 63 PA: 51 MOZ Rank: 13
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Chalcocite - Wikiwand
https://www.wikiwand.com/en/Chalcocite
WEBSulfide mineral / From Wikipedia, the free encyclopedia. Chalcocite ( / ˈkælkəˌsaɪt / ), copper (I) sulfide (Cu 2 S), is an important copper ore mineral. It is opaque and dark gray to black, with a metallic luster. It has a hardness of 2.5 – 3 on the Mohs scale. It is a sulfide with a monoclinic crystal system.
DA: 32 PA: 41 MOZ Rank: 51
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Chalcocite mineral information and data - dakotamatrix.com
https://www.dakotamatrix.com/mineralpedia/5725/chalcocite
WEBFormula. Cu2S. Crystal System. Monoclinic. Crystal Habit. Massive, Granular, Euhedral Crystals. Cleavage. Indistinct, None, None. Luster. Metallic. Color. blue black, gray, black, black gray, steel gray. Streak. grayish black. Class. Monoclinic - Prismatic. Fracture. Conchoidal. Hardness. 2.5-3. WebMineral. View Chalcocite. Mindat. View Chalcocite.
DA: 100 PA: 44 MOZ Rank: 84
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Chalcocite | Copper Ore, Sulfide Ore, Ore Mining | Britannica
https://www.britannica.com/science/chalcocite
WEBchalcotrichite. simple oxide. tile ore. cuprite, soft, heavy, red oxide mineral (Cu 2 O) that is an important ore of copper. A secondary mineral often formed by the weathering of copper sulfide minerals, cuprite is widespread as brilliant crystals, grains, or earthy masses in the oxidized zone of copper lodes.
DA: 10 PA: 71 MOZ Rank: 86