VS
Name
—
WO₂(OH)₂·H₂O
Formula
—
Mineral Species
Entry type
—
Tungstates
Chemical class
—
Monoclinic
Crystal system
—
2
Mohs hardness
—
4.6
Specific gravity
—
—
Streak
—
Vitreous to dull
Luster
—
{010}, imperfect
Cleavage
—
P2/m
Space group
—
—
Structural group
—
Htgs · Grandfathered
IMA
—
1944
Named in
—
Dark green, becoming yellowish on exposure to air
Typical colors
—
W · O · H
Elements
—