Feldspar Power  Chemical formula : K(ALSIO3O8)

K-feldspar is a silicon-oxygen tetrahedron frame structure consisting of potassium and sodium, calcium, barium silicate minerals.

   Feldspar is a aluminium silicate mineral composed of kalium,natrium,calcium and barium. Its major ingredients include 65% of SiO2 70% AL2O3 16% K2O 9.55% Na2O 2.4% CaO 0.5% of CaO,with a 2.2-2.56g/cm3 of density,and a Mohs rigidity Of 6-6.5. Feldspar can stand high pressure and is proof to acids and also is main raw material to produce glass and ceramic .In addition, it can be used in chemical industry, grinding materials, electrode accessories, fireproof substance, paper making and agricultural fertilizer, etc.

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