VS
Name
—
K₂Ca₂Mg(SO₄)₄·2H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
3.5
Mohs hardness
—
2.78
Specific gravity
—
white
Streak
—
Vitreous to resinous
Luster
—
On {101}, perfect; on {010}, a parting
Cleavage
—
P-1
Space group
—
—
Structural group
—
Plhl · Grandfathered
IMA
—
1817
Named in
—
White, Gray, Pink, Brown, Red
Typical colors
—
K · Ca · Mg · S · O · H
Elements
—