How to define poisonous heavy stones


Toxic stone is another major mineral containing mineral in addition to barite (BaSO4). It has the characteristics of high specific gravity, low hardness, absorption of X-rays and γ-rays, and is widely used in oil and gas drilling, chemical industry, light industry, metallurgy, building materials, medicine and other industrial sectors, especially in the manufacture of chemical products.

Category: Carbonates, foaming in acid

Chemical composition: BaCO3

Crystal system: Orthorhombic system 2 / m2 / m2 / m, the crystal is usually (110) as a twin plane, in the form of three single crystals, forming a pseudo-hexagonal double-cone surface, often on the cone Deep parallel stripes forming a concave corner

Hardness: 3.5

Water soluble: difficult

Fracture: Staggered (Uneven)

Streak: white

Common types: grape-like, spherical, columnar, granular, crystal is usually double-sided crystal

Common gloss: glass luster, broken grease luster

Common colors: colorless, gray, white

Common weight: 4.31

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