Wollastonite is a triclinic system, thin plate-like crystals, and the aggregates are radial or fibrous. The color is white, sometimes with light gray, light red tones. Vitreous luster and pearl luster on the cleavage surface. The hardness is 4.5～5.5, and the density is 2.75～3.10g/cm3. Completely sol

The main component of talc is magnesium silicate containing water, and the molecular formula is Mg3[Si4O10](OH)2. Talc belongs to the monoclinic system. Crystals are pseudo-hexagonal or rhombic flakes, occasionally. Usually into dense massive, leaf-like, radial, fibrous aggregates. It is colorless,

The main component of talc is hydrated magnesium silicate, the molecular formula is Mg3[Si4O10](OH)2. Talc belongs to monoclinic system. Crystals are pseudohexagonal or rhomboid sheets, occasionally. Usually into dense massive, foliar, radial, fibrous aggregates. Colorless transparent or white, but

Kaolin is a kind of non-metallic mineral, is a kind of clay and clay rock dominated by kaolinite clay minerals. Because of white and delicate, also known as dolomite. Named after Gaoling Village, Jingdezhen, Jiangxi Province.The pure kaolin is white and soft, with good plasticity, fire resistance an

Bentonite is a kind of non-metallic mineral clay, the main component is montmorillonite. Bentonite exhibits good cohesion, lubricity, suspension and thixotropic properties when exposed to water. At present, bentonite is used in hundreds of industries in dozens of fields, and is widely used in feed a