VS
Name
—
Tl₂O₃
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
1.5–2.5
Mohs hardness
—
8.9
Specific gravity
—
Grayish black, black with a brownish tint
Streak
—
Metallic
Luster
—
—
Cleavage
—
I2_13
Space group
—
Bixbyite
Structural group
—
Avc · Grandfathered
IMA
—
1958
Named in
—
Grayish black with brownish black tint; pale to medium gray under reflected light
Typical colors
—
Tl · O
Elements
—