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how is gold ore mined and procesed

Hard Rock Mining Gold and Silver Ore and processing it

Interested in hard rock gold and silver ores and how they are processed? Most of the gold and silver produced comes from the processing of hard rock ores.

How Are Diamonds Processed? | eHow

How Are Diamonds Processed?. Before a diamond is even processed, it must be mined first. The mineral is recovered from ore through a process known as comminution …

Platinum - Wikipedia, the free encyclopedia

Characteristics Physical. As a pure metal, platinum is silver-white in color, lustrous, ductile, and malleable. Platinum is more ductile than gold, silver and copper ...

Fluorite - Wikipedia, the free encyclopedia

Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although ...