barite

/bair-ahyt, bar-/US // ˈbɛər aɪt, ˈbær- //UK // (ˈbɛəraɪt) //

重晶石,大理岩,磐石

Definitions

n.名词 noun

1
- : a common mineral, barium sulfate, BaSO4, occurring in white, yellow, or colorless tabular crystals: the principal ore of barium.

Thus calc spar is a common name for calcite, heavy spar for barite, needle spar for aragonite, and so on.
Germany is the world's principal producer of barite and has large reserves of high grade.
Ground barite is also used in certain kinds of rubber goods and in the making of heavy glazed paper.
The mineral barite is a heavy white sulphate of barium, frequently called "barytes" or "heavy spar."
Witherite, the barium carbonate, is a much rarer mineral but is found with barite in some veins.