((Quartz)) Quartz is the most common mineral on the face of the earth. It is found in nearly every geological environment and is at least a component of almost every rock type. It frequently is the primary mineral,>98% .it is also the most varied in terms of varieties, color and forms. this variety comes about because of the abundance and widespread distribution of quartz . A collector could easily have hundreds of quartz specimens and not have two that are the same due to the many broad categories. Quartz is one of main sources of Sio2; meanwhile the high purity quartz is the sources of silicon metal. The company extracts and produces quartz and high purity quartz for the requesting grain size. Use: In production of metal refractory, manufacturing of mould and cores for casting metal and some chemical industries, silica for glass, electrical components, optical lenses,abrasives,gemstone,ornament stone, building stone,etc. Quartz chemical analysis Oxides % Sio2 99.71 Al2o3 0.09 Fe2o3 0.05 cao 0.03 Na2o
Posted on: Sat, 03 Aug 2013 22:42:14 +0000
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