VS
Name
—
Mn²⁺₂(PO₄)(OH)
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
4.5–5
Mohs hardness
—
3.7
Specific gravity
—
White, nearly
Streak
—
Vitreous, adamantine, greasy
Luster
—
{100}, good; {120}, fair; {010}, poor
Cleavage
—
P2_1/a
Space group
—
Wagnerite
Structural group
—
Tpd · Grandfathered
IMA
—
1878
Named in
—
Pinkish brown, wine-yellow, yellowish brown, red-orange; pale pink in transmitted light
Typical colors
—
Mn · P · O · H
Elements
—