carnallite
/ˈkɑːn(ə)lʌɪt
/noun [mass noun]
A white or reddish mineral consisting of a hydrated chloride of potassium and magnesium.Magnesium is found in seawater and as the mineral carnallite, a combination of potassium chloride and magnesium chloride, at the Stassfurt Mine in Germany....
- Its most common ores are lepidolite, carnallite, and pollucite.
- The most common minerals of chlorine are halite, or rock salt, sylvite, and carnallite.
Origin
Mid 19th century: named after Rudolf von Carnall (1804–74), German mining engineer, + -ite1.