Kaolin
Kaolin is a clay material and part of the industrial minerals group, which are geological materials that are mined for their economic value. It is a silicate mineral, which are rock-forming minerals that compromise most of the Earth’s crust. It is a soft and earthy mineral that is usually white but can appear as different colors depending on the concentrations of iron oxide. Kaolin is also known as china clay
kardoost company is the largest exporter of this mineral in Iran