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Gold vein is the outcropping of rocks and usually very often contain minerals of gold ore . In the process of vein formation is most comm... -
Refiners hydrometallurgy will give examples of careers and precious metals using chemistry both inorganic and organic, chemical engineer... -
Some characteristic features of type ore mineral type Gold nuggets with large size of more than 2mm. And the Nuggets usually have a ... -
People often think phyrite as a golden appearance, which resembles gold glitter. Occasionally someone asks, if pyrite is gold? Or is th...
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