VS
Name
—
(NH₄)₂Fe³⁺₃(SO₄)₄(OH)₃·3H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Triclinic
Crystal system
—
—
Mohs hardness
—
2.31
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {001}
Cleavage
—
—
Space group
—
—
Structural group
—
Clai · Approved
IMA
—
1982
Named in
—
Yellow
Typical colors
—
N · H · Fe · S · O
Elements
—