vermiculite beneficiation plant

AL Bush in Encyclopedia of Materials Science and Technology 2001 22 Vermiculite Vermiculite is a mica a hydrated magnesiumironaluminum trioctahedral sheet silicate of varied composition Its basic unit is two tetrahedral silicate sheets interlayered by an octahedral sheet that contains aluminum and iron Grim 1962Each tripartite layer on its upper and lower surfaces has