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equipments for silica sand making cristobalite

equipments for silica sand making cristobalite

May 11, 2020 The same transformation of quartz sand into cristobalite used in industry can occur in a clay body fired in a studio kiln. Quartz is usually present in the clay body and so are flux elements and sometimes iron. The conversion can begin at as low as 1634 F (890 C) but cristobalite forms primarily above 1922 F (1050 C)

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