VS
Name
—
KAl₀.₃₃W₂.₆₇O₉
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Hexagonal
Crystal system
—
5–6
Mohs hardness
—
6.52
Specific gravity
—
White
Streak
—
Vitreous to adamantine
Luster
—
Good on {00*1} and {10*0}
Cleavage
—
P6/mmm
Space group
—
—
Structural group
—
Wum · Approved
IMA
—
2018
Named in
—
Light green
Typical colors
—
K · Al · W · O
Elements
—