A specimen of chalcocite, an ore … Item. DOUGLAS COUNTY: Veins of quartz containing chalcocite and galena were reported cutting Keweenawan basalt just south of the Douglas Fault in SE sec. It is a major ore of copper and is collected for the rarity of its crystals, metallic luster, and subtle, blue-purple iridescence. chalcocite [kal′kə sīt΄] n. [see CHALCO-] a dark-gray, lustrous mineral, Cu 2 S, that is an ore of copper; cuprous sulfide. Chalcopyrite can oxidize to form other secondary minerals including malachite, azurite, and cuprite. n. A dark gray mineral, essentially Cu2S, that is an important ore of copper. Requirements: Level 1 Item Level 130 Statistics & Bonuses: Repairs, Recycle & Style: Stack Size 999 Sells for x 2 3: Rebuild Lists. 29 T.48N. It is a sulfide with an orthorhombic crystal system. It is opaque, being colored dark-gray to black with a metallic luster. History of Phoenicia. chalcocite. Chalcocite is an important copper mineral ore It has been mined for centuries and is one of the most profitable copper ores The reasons for this is its high copper content 67 atomic ratio and nearly 80 by weight and the ease at which copper can be separated Copper production from recycled end-of-use objects is about 15% of copper-from-ore copper production. It is a source of... | Meaning, pronunciation, translations and examples While chalcocite occurs in the primary (hypogene) assemblage at Tsumeb, much of the chalcocite, and probably all of the crystallised specimen material, is of supergene origin. Copper can be found in more than 200 minerals, but only about 10% of this occurs in the form of sulphide minerals (e.g., chalcopyrite, bornite and chalcocite) or oxidized minerals (e.g., cuprite), which are of significance as copper ores (Lossin, 2001).Depending mainly on the ore type, as well as the geographical, economic and environmental considerations, copper can be extracted through: Chalcocite, an opaque mineral having a metallic luster, is a significant copper ore mineral.The crystal arrangement of this sulfide is orthorhombic. Pyrite. Chalcocite (UK: / ˈ k æ l k ə ˌ s aɪ t /), copper(I) sulfide (Cu 2 S), is an important copper ore mineral. "chalcocite" of our present metallurgical science, which is a sulphide containing very nearly eighty per cent. Bornite is an important copper ore mineral and occurs widely in porphyry copper deposits along with the common chalcopyrite Chalcopyrite and bornite are both typically replaced by chalcocite and covellite in the supergene enrichment zone of copper deposits Chalcocite definition: a lead-grey or black mineral , found as a copper ore or in veins . Almost everyone is familiar with pyrite. 26 T.8N R.5W northwest of Wauzeka and in adjacent areas along Otter Creek (Heyl and West, 1983). Chalcocite Chal"co*cite, n. [Gr. [1865 70; irreg. (Min.) • CHALCOCITE (noun) The noun CHALCOCITE has 1 sense:. Page; Discussion; Edit; History; Talk; Contributions; Create account; Log in; Item#12941. Chalcocite, copper(I) sulfide (Cu2S), is an important copper ore mineral. CHALCOCITE Copper Sulfide Know More. Chalcocite Stone. Chalcocite. Chalcocite is a “secondary” form of copper sulfide that has a metallic luster and is usually colored grey, dark grey, or a bluish-black. It has a hardness of 2½ - 3 on the Mohs scale. Chalcocite: Evans H T (1979) The crystal structures of low chalocite and djurleite Zeitschrift fur Kristallographie 150 299-320: 1979: Bristol Connecticut, USA: 0: 293: 0019202: Chalcocite: Evans H T (1971) Crystal structure of low chalcocite Nature Physical Science 232 … 1905, Waldemar Lindgren, The Copper Deposits of the Clifton-Morenci District, Arizona, page 207: Their croppings are either entirely barren or contain only a moderate amount of copper, but much richer ore is ordinarily found just above the chalcocite … CRAWFORD COUNTY: Chalcocite is one of the components of the ore at the Plum Creek copper mine in the SE SW Sec. See more. It is a sulfide with an orthorhombic crystal system.. Chalcocite, redruthite, copper-glance or vitreous copper (Cu 2 S) contains about 80% of copper. When you buy a piece of Chalcopyrite, you can use it as a great meditation stone. The other 20% is produced by heap leaching/solvent extraction/electrowinning of oxide, and chalcocite ores. Commonly known as “fool’s gold” pyrite (iron sulfide) forms in cubic crystals that can range in color from brassy yellow to silvery. Copper is removed from chalcopyrite by weathering or solution, transported a short distance, then redeposited as secondary sulfide, oxide, or carbonate minerals. Dictionary entry overview: What does chalcocite mean? Associated ore minerals include pyrite, sphalerite, bornite, galena, and chalcocite. This specimen is from Geevor and was collected underground in 1964. Chalcopyrite serves as the copper source for many secondary mineral deposits. It is opaque, being colored dark-gray to black with a metallic luster.It has a hardness of 2½ - 3. It is opaque, being colored dark-gray to black with a metallic luster.It has a hardness of 2½ - 3. The mean values and 1-sigma variations for supergene enrichment chalcocite are , for sedimentary copper chalcocite are (), and for hypogene chalcocite is (). Define chalcocite. of copper. Copper Ore Chalcocite Bornite. Chalcocite: translation. It is opaque and dark-gray to black with a metallic. Chalcocite (Copper Ore) Chalcocite crystals. Are you looking for more answers, or do you have a question for other crossword enthusiasts? Sulphide, oxide, and mixed ore are fed to separate mineral processing circuits to recover the copper sulphide minerals (chalcopyrite, bornite, chalcocite, covellite). Chalcocite forms primarily as a secondary mineral through supergene enrichment below the oxidation zone; lesser amounts form in metal-rich hydrothermal veins and basaltic rocks. It is opaque and dark-gray to black with a metallic luster.It has a hardness of 2 1 ⁄ 2 - 3 on the Mohs scale.It is a sulfide with an orthorhombic crystal system. It belongs to a group of sulfide minerals… • Chalcocite, copper(I) sulfide (Cu2S), is an important copper ore mineral • Chalcocite A gray to black brittle copper sulfide (Cu2S) that is an important ore of copper More crossword answers. CHALCO + (ANTHRA)CITE] * * * Sulfide mineral, Cu2S, that may be an important ore of copper. R.12W. /kal keuh suyt /, n. a common mineral, cuprous sulfide, Cu2S: an important ore of copper. An opaque and brittle mineral, it has a hardness of 2.5–3 on Mohs’ scale and a density of 5,780 kg/m 3 . Massive, compact, fine powdery. It was the main copper ore worked in the rich West Penwith mines of Geevor, Botallack and Levant. About 80% of the world's copper-from-ore is produced by concentration/smelting/ refining of sulfide ores. n a lead-grey or black mineral, found as a copper ore or in veins. 1. a heavy grey mineral that is an ore of copper Familiarity information: CHALCOCITE used as a noun is very rare. Minerals and phase in the Cu–S system. Acquisition Uses Mining. Relationship between ore mineralogy and copper recovery Know More. Chalcocite, copper(I) sulfide (Cu 2 S), is an important copper ore mineral. Chalcocite definition is - a black or gray lustrous metallic mineral that consists of a sulfide of copper and is an important copper ore. A specimen of chalcocite, an ore of copper, from the Daly Mine, South Australia; Chalcocite (copper(I) sulfide (Cu2S)) a copper ore, from Flambeau Mine, Ladysmith, Wisconsin, USA. METAPHYSICAL PROPERTIES, LORE, USES: Chalcocite is a major ore of copper. Although the three populations show considerable overlap in the weakly fractionated range, 64% of the sedimentary copper measurements are less than , and 65% of the chalcocite from supergene enrichment has values greater than +1 . Chalcocite is lead gray in color and has a metallic luster. It is a sulfide with an orthorhombic crystal system.. … Native copper Chalcocite, copper(I) sulfide (Cu 2 S), is an important copper ore mineral. It is a good conductor of electricity and an ore … Use the “Crossword Q & A” community to ask for help. The copper in these deposits occurs as primary chalcopyrite (CuFeS2) or the important secondary copper mineral chalcocite (Cu2S).. Rhenium 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]. Chalcocite Cu2S c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Monoclinic, pseudo-orthorhombic. Collector adsorption on sulfides can occur by two mechanisms. It is opaque and dark-gray to black with a metallic. Chalcocite forms veins in the primary ore and gangue and is therefore late in the hypogene sequence (Keller, 1977). Associated ore minerals include pyrite, sphalerite, bornite, galena, and chalcocite. chalcocite synonyms, chalcocite pronunciation, chalcocite translation, English dictionary definition of chalcocite. Chalcocite (copper sulphide) is an important ore mineral of copper. chalcocite: translation. It has more than double the copper content by weight % of chalcopyrite (the most common ore of copper) and is therefore a much more profitable ore mineral. Chemical Formula Copper sulfide: Cu2S Chalcocite Chalcocite, copper(I) sulfide (Cu2S), is an important copper ore mineral. Chalcocite. chalko`s brass.] Chalcocite mineral crystals isolated on white background. Chalcocite definition, a common mineral, cuprous sulfide, Cu2S: an important ore of copper. Patch 3.0 Description: A black metallic ore containing copper and traces of iron and saltpeter. Many malachite, azurite, covellite, and cuprite deposits also contain this secondary copper mineral. 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