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VS
W
Welinite
Name
—
Mn²⁺₆(W⁶⁺   )(SiO₄)₂O₄(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
4
Mohs hardness
—
4.47
Specific gravity
—
Pale reddish brown
Streak
—
Resinous
Luster
—
Poor to distinct on {001}
Cleavage
—
P6_3
Space group
—
Welinite
Structural group
—
Wln · Approved
IMA
—
1966
Named in
—
Deep red-brown to reddish black
Typical colors
—
Mn · W · Si · O · H
Elements
—