VS
Name
—
KMg(SO₄)Cl·2.75H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2.5–3
Mohs hardness
—
2.15
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {001}, perfect
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Kai · Grandfathered
IMA
—
1865
Named in
—
Colorless, may be gray, blue, violet, yellow, pink from inclusions; colorless in transmitted light
Typical colors
—
K · Mg · S · O · Cl · H
Elements
—