VS
Name
—
(NH₄)₂Mg(SO₄)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2
Mohs hardness
—
1.722
Specific gravity
—
—
Streak
—
Silky
Luster
—
{201}, perfect (synthetic)
Cleavage
—
P2_1/a
Space group
—
Picromerite
Structural group
—
Bsg · Grandfathered
IMA
—
1864
Named in
—
Colorless, white to yellowish pink; colorless in transmitted light
Typical colors
—
N · H · Mg · S · O
Elements
—