Is kaolin a soil or a rock?
Kaolin is a kind of clay formed by weathering, leaching, residual and exogenic deposition of aluminosilicate rocks. It is also the product of the alteration of hydrothermal fluid to the surrounding rock.
The main chemical constituents of alumina, silicon oxide, containing a small amount of iron oxide, calcium oxide, Magnesium Oxide, potassium oxide and sodium oxide and manganese oxide. Kaolin is white, impurity yellow, gray, gray and other colors, especially three containing two aluminum oxide is very high, the sintering temperature of porcelain stone and porcelain is much higher, up to 1400 degrees Celsius is still not sintering. The ancient burning temperature made it impossible to make porcelain and burned to white.
Commonly known as kaolin clay, kaolinite or halloysite is the main mineral components of soft clay. Named after the first discovered in Jingdezhen 45 km east of the East mountain.
