VS
Name
—
Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂·8H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
2.463
Specific gravity
—
—
Streak
—
—
Luster
—
—
Cleavage
—
P2_1/a
Space group
—
Stewartite
Structural group
—
Plae · Grandfathered
IMA
—
1956
Named in
—
Pale yellow-orange, light to dark yellow, orange-brown
Typical colors
—
Mn · Fe · P · O · H
Elements
—