ˈkärn ə lˌīt noun
( -s )
Etymology: German carnallit, from Rudolf von Carnall died 1874 German mining engineer + German -it -ite
: a mineral KMgCl 3 .6H 2 O consisting of a hydrous potassium-magnesium chloride occurring commonly as white or reddish deliquescent masses and useful as a source of potassium