VS
Name
—
MgMn²⁺Al(PO₄)₂(OH)·4H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
3–4
Mohs hardness
—
2.66
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {010}; imperfect on {001}
Cleavage
—
Pbca
Space group
—
Overite
Structural group
—
Lun · Approved
IMA
—
1982
Named in
—
Colorless to pale yellowish white
Typical colors
—
Mg · Mn · Al · P · O · H
Elements
—