VS
Name
—
Mn²⁺₇(SiO₄)₃(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6
Mohs hardness
—
3.848
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{001}, imperfect
Cleavage
—
P2_1/a
Space group
—
Humite
Structural group
—
Lpo · Grandfathered
IMA
—
1899
Named in
—
Brown to light purple-red, raspberry-red, deep pink to light pink; rose-red to colorless in thin section
Typical colors
—
Mn · Si · O · H
Elements
—