carnallite

/kahr-nl-ahyt/US // ˈkɑr nlˌaɪt //UK // (ˈkɑːnəˌlaɪt) //

光卤石,光辉石,光卤素,光辉灿烂

Definitions

n.名词 noun

1
Mineralogy.
- : a white hydrous chloride of potassium and magnesium, KMgCl3⋅6H2O, used chiefly as a source of potassium and magnesium.

It is also formed as a by-product in the manufacture of potassium chloride from carnallite.
It is obtained as a by-product in the manufacture of potassium chloride from carnallite.
It is prepared from carnallite by saturating boiling water with the mineral and allowing the solution to cool.
Carnallite contains nearly a fourth of its weight of potassium chloride.
This maximum point corresponds with the fact that dry carnallite melts at this temperature with separation of potassium chloride.