Crossword Clue:

a mineral salt also KAINIT

AnswerCrossword Clue
BARITEMineral also called heavy spar
ALKALIMineral salt.
ALKMineral Salt: Abbr.
ALKALISoluble mineral salt
NATRONMineral in salt lakes.
NATRONMineral found in salt lakes.
ALKALIMineral salt in some soils.
ALKMineral salt in soils: Abbr.
ALKALIMineral salt found in arid soil.
NATRONMineral salt found in dry lake beds