Montmorillonite ore contains as far as 95-98% of montmorillonite ，a little quartz and no cube limestones.
Its chemical composition(%):
Na2O:0.09MgO:5.24,AI2O3:16.64,SiO2:58.19,P2O5:0.02,K2O:0.10,CaO:2.83,TiO2:0.13,MnO:0.04,Fe2O3:4.29,FeO:0.20,CO2:0.18, H2O:11.34.
Concentration：72.5mg/15g,Expand capacity:7.5-11.5mg/g
Active capabillty:115-139mmol/100g,PH 7.58,It can be used in the fields of chemical industry,medicine and Nm materials est.
