Beneficiation and mineral processing of clay minerals
7) CLAY MINERALS Clays are formed from rocks which have been weathered by physical and chemical action, ( orthoclase, a mineral found in granite, reacts with H2O and CO2 from the atmosphere as follows): + 2H2O + CO2 + 4SiO2 + K2CO3 orthoclase kaolin clay Clay is a naturally occurring material composed primarily of fine grained clay minerals (Clay