Thursday, April 23, 2015

Mining from Ore to Metal

Rock And Minerals

Mineral is a homogeneous inorganic substance that occurs naturally, usually in crystalline      form with a definite chemical composition. 

The common rock-forming minerals (RFM)

are quartz, orthoclase feldspar (KAlSi3O8), plagioclase feldspar (CaNaAlSi3O8), albite, mica group such as muscovite and biotite.

The common ore-forming minerals (OFM)

are hematite (Fe2O3), cassiterite (SnO2), chalcopyrite (CuFeS2), sphalerite (ZnS), galena (PbS), baryte, gypsum (CaSO4), apatite, etc.

Rock is an assemblage of mineral(s) formed under natural process of igneous,       sedimentary and metamorphic origin. The common rocks are basalt, granite, quartzite,
Rock And Minerals
Rock And Minerals
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