VS
Name
—
Fe³⁺₄(SO₄)₆(H₂O)₁₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
2.5
Mohs hardness
—
2.11
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
On {0112} and {1014}, imperfect
Cleavage
—
R-3
Space group
—
Coquimbite
Structural group
—
Pcoq · Approved
IMA
—
1933
Named in
—
Pale violet
Typical colors
—
Fe · S · O · H
Elements
—