VS
Name
—
MgFe³⁺(SO₄)₂(OH)·7H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2–2.5
Mohs hardness
—
2.14
Specific gravity
—
Ocher- yellow
Streak
—
Vitreous
Luster
—
{010}, perfect; {110}, good
Cleavage
—
P2_1/n
Space group
—
Botryogen
Structural group
—
Byg · Grandfathered
IMA
—
1828
Named in
—
Pale to dark orange
Typical colors
—
Mg · Fe · S · O · H
Elements
—