Ore describes a rock or mineral that can be mined economically. 15 specimens . Working gold bearing ores in Ancient Egypt. Shipping from It contains enough of an element or compound to make it economically feasible to mine. 15 Sp..
Eco goldex Gold Leaching Reagent , Find Complete Details about Eco goldex gold leaching reagent invented for effective gold leaching in gold mining and precious Element. Au(g/t). Ag(g/t). Total_S(%). As(%). Cu(%). Total_C(%). Fe(%) . A: this is the important part of compound dissolving gold in the solution, stirring
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