VS
Name
—
Mn²⁺₂Fe³⁺(PO₄)₂(OH)·4H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
3–4
Mohs hardness
—
2.76
Specific gravity
—
Yellow
Streak
—
Vitreous
Luster
—
Imperfect on {001}
Cleavage
—
Pbca
Space group
—
Overite
Structural group
—
Msgl · Approved
IMA
—
1984
Named in
—
Yellow to yellow-green
Typical colors
—
Mn · Fe · P · O · H
Elements
—