Origin: Worldwide Mineral Species: Bornite Mineral Group: Sulphides Chemical Formula: Cu 5 FeS 4 - Copper Iron Sulphide Hardness: 3 Crystal System: Tetragonal Colour: Coppery red to brown - tarnishes into a myriad of colour, hence the name "peacock ore". Its color will then change after this exposure to the elements. This opaque rock has a beautiful metallic luster that is a result of the metallic elements within the ore. Peacock ore is ⦠Bornite - chemical information, properties, structures, articles, patents and more chemical data. Bornite is a one of natureâs most colorful minerals thats are copper iron sulfide named after the Austrian mineralogist Ignaz von Born (1742â91). bornite Chemical Group: sulfide Chemical Formula: Cu 5 FeS 4 Color: copper-red to pinchbeck-brown on freshly chipped surface quickly tarnishes to purple, blue, green, red Streak: gray-black . Login . Bornite Lightly iridescent bornite crystal on quartz needles from Kazakhstan (size: 3.6 × 2.2 × 1.2 cm) Etymology: For "Ignaz von Born" Austrian mineralogist. Bornite has a brown to reddish brown color before it is exposed to the air. It forms into crystals in the orthorhombic arrangement (pseudo-cubic). The color of the newly formed surfaces of the Bornite is brownish to copper- red; it gets tarnished into other iridescent color shades varying in places from blue to purple. Information and translations of bornite in the most comprehensive dictionary definitions resource on the web. Bornite, a copper-ore mineral, copper and iron sulfide (Cu5FeS4). It alters readily upon weathering The ore is very soft, with a hardness of three on the Moh's hardness scale. Chemical Formula: FeS2 : Composition: Molecular Weight = 119.98 gm Iron 46.55 % Fe Sulfur 53.45 % S _____ 100.00 % : Empirical Formula: Fe 2+ S 2: Environment: Sedimentary, magmatic, metamorphic, and hydrothermal deposits. The mineral Bornite is otherwise known as peacock ore, and is a sulfide mineral having a chemical composition of Cu5FeS4. The official chemical formula of bornite is Cu5FeS4 and chalcopyrite is CuFeS2. In context|mineral|lang=en terms the difference between covellite and bornite is that covellite is (mineral) a shiny indigo-blue sulfide mineral, cu]][[sulfur|s, that is an ore of copper while bornite is (mineral) a reddish mineral that tarnishes on exposure to air; it is a mixed sulfide of iron and copper with the chemical formula cu]] 5 fe[[sulfur|s and is an important ore of copper. Hardness: 3 Specific Gravity: 5.06 to 5.08 General Azurite Information : Chemical Formula: Cu3(CO3)2(OH)2 : Composition: Molecular Weight = 344.67 gm Copper 55.31 % Cu 69.24 % CuO: Hydrogen 0.58 % H 5.23 % H 2 O: Carbon 6.97 % C 25.54 % CO 2: Oxygen 37.14 % O: 100.00 % 100.00 % = TOTAL OXIDE Enter your search term above and find: ... Chemical Formula: C 11 H 19 O- click here for details. Typical occurrences are found in Mount Lyell, Tasmania; Chile; Peru; and Butte, Mont., U.S. Bornite, one of the common copper minerals, forms isometric crystals but is seldom found in these forms. A major ore of copper, its natural color can be coppery red, coppery brown, or bronze. Alternative Names: Peacock Ore Mineral Information. The STANDS4 Network ... it is a mixed sulfide of iron and copper with the chemical formula CuFeS and is an important ore of copper. Bornite Chemical Formula: Cu 5 FeS 4: For further bornite data and properties: Mindat.org: Bornite Physical Properties The Colors of Bornite. Bornite, also known as peacock ore, is a sulfide mineral with chemical composition Cu 5 FeS 4 that crystallizes in the orthorhombic system (pseudo-cubic). Cu5Fes4 and chalcopyrite is CuFeS2 of Cu5FeS4 your search term above and find:... chemical:! Is exposed to the air a copper-ore mineral, copper and iron sulfide ( Cu5FeS4 ) reddish brown before... 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