Copper ores. 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 aforementioned minerals occurs Origins: chile,nigeria,brazil,indonesia,philippines,zambia,mexico,iran,pakistan,tanzania
Used as raw materials in copper smelting, copper concentrates have a copper content of about 30% by weight. ... Copper concentrates are made mostly from sulfide ores. Ores extracted from overseas mines have a typical grade of about 1%. The ores are then "dressed" at the mine to increase the purity and produce concentrate. Origins: Nigeria, Meixco,South Africa,Kenya
Copper Slag 3% maximum purity Origin: USA/Bolivia Payment: LC 20,000 MT max monthly capacity ***We do not ask for any upfront/advance payment***
Hello, We have Copper Ore. Purity + -15% We have two payment options: 1. No Instrument: Buyer pays 100%TT after inspection at bonded warehouse (Bollore Warehouse) at Walisbay Port in Namibia. (Seller does not ask for any advance payment) 2. 10% remaining: Buyer pays 90% after inspection at bonded warehouse (Bollore Warehouse) at Walisbay Port in Namibia and remaining 10% at CIQ. (Seller does not ask for any advance payment)
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