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The top documents tagged [pyrometallurgy roasting]
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Occurrence and Distribution of Metals Minerals Ore: deposit that contains enough metal that we can extract economically. Most metals are found in minerals
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1) Elemental Form e.g. Ag, Au, Pt – noble metals. 2) Aluminosilicates and Silicates Metal + Al, Si, O e.g. Beryl = Be 3 Al 2 Si 6 O 18 Hard to extract
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