Colorless or white, bluish or reddish in
color, white streak, vitreous luster, resembles rock
salt in appearance. Mohs hardness 2.
Major source of potassium compounds in the
U.S., fertilizers.
A natural potassium chloride,
contains 43% potassium chloride, 57% sodium
chloride, sometimes with up to 0.26% bromide.
Sylvite (KCl) is the most abundant potash mineral
deposit. It contains about 43% potassium chloride, 57X
sodium chloride with up to 0.26% bromide.
