VS
Name
—
Mn²⁺₆V⁵⁺Si₅O₁₈(OH)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
3.7
Specific gravity
—
—
Streak
—
Subadamantine
Luster
—
Good on {100}; a distinct parting ? elongation
Cleavage
—
P2_1/n
Space group
—
Medaite
Structural group
—
Med · Approved
IMA
—
1979
Named in
—
Brownish red; dark orange to brownish in thin section
Typical colors
—
Mn · V · Si · O · H
Elements
—