The main copper sulphide minerals are chalcopyrite (CuFeS2) chalcocite (Cu2S), covellite (CuS), bornite (Cu5FeS4), tetrahedrite ((Cu,Fe)12Sb4S13) and enargite (Cu3AsS4). The largest source of copper is from porphyry ore deposits in which one or a combination of the minerals occurs. A typical copper sulphide ore contains various levels of iron sulphide types that generally include pyrite (FeS2) and pyrrhotite (Fe1-xS). Often gold and silver are present which may either be associated with the sulphides or are free. The gangue particles can consist of a range of silicate minerals from quartz to talc and clays. Item Specification CR2O3: 42% Basis: 40% Min CR/FE Ratio: 1.35:1 MGO: 14% Max AL2O3: 16% Max SIO2: 10% Max P: 0.01% Max S: 0.01% Max Size 0-2 MM: (95% Min) Moisture at 105C or 110C: 8% Max
Turquoise available in Cabs! Currently not selling rough extremely rare metamorphic silica turquoise. Get them while they are available.
Mac Dye Chem Industries manufacturering and exprots all kind of Reactive Turquoise Blue 21 is defined as a chemical dye that is used for coloring materials like cotton, wool, silk and other polyamide textiles. This blue color, odorless powder is processed at our manufacturing unit by making use of premium grade of chemicals. This is extensively appreciated or its unsurpassed qualities like high purity, accurate composition, excellent stability, optimum solubility and longer shelf life. Feature: Superior solution solubility Optimum electrolyte stability Non hazardous Non inflammable Water soluble Odorless
hight quality of Turquoise of Nishabour of Iran
Supplier: Dry abalone, raw abalone shells, frozen fish, squid, sea cucumber, all marine products, frankincense resin, rough gemstones like ruby, topaz, aquamarine, emerald, agate, turquoise, tourmaline, iolite, lapis lazuli, transparent hexagonal crystal and others of octagonal form, granite, volcanic glass and quartz
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