CARNALLITE

carnallite

(noun) a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium

Source: WordNet® 3.1

Etymology

Noun

carnallite (countable and uncountable, plural carnallites)

(mineral) A saline evaporite composed of a mixture of potassium chloride and magnesium chloride, with the chemical formula KMgCl₃·6H₂O.

Source: Wiktionary

Car"nal*lite, n. Etym: [G. carnallit, fr. Von Carnall, a Prussian.] (Min.)

Definition: A hydrous chloride of potassium and magnesium, sometimes found associated with deposits of rock salt.

Source: Webster’s Unabridged Dictionary 1913 Edition