Gypsum Mining Crusher. Gypsum crushing processing Mining and Rock . The large size gypsum ore by the crusher crushing broken into small particles less than 30mm, transported to the mill machine for grinding; is after grinding the reached required fineness cornflour gypsum products by separator sent into the fluidized bed furnace for calcination, the rest part returns to .
Gypsum is considered both a sedimentary rock and a mineral. Its chemical formula is CaSO 4 ∙2H 2 O. Because gypsum formed when ancient seas evaporated in Oklahoma during Permian time (299251 million years ago), geologists classify it as an evaporite. Western Oklahoma has many large deposits of gypsum totaling trillions of tons (Figure 1).