VS
Name
—
PbBi₂Te₂S₂
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
7.57
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {0001}
Cleavage
—
P-3m1
Space group
—
Tetradymite
Structural group
—
Alk · Approved
IMA
—
1977
Named in
—
In polished section, very pale gray with slight greenish tint. Anisotropism: Weak. R: (400) —, (420) —
Typical colors
—
Pb · Bi · Te · S
Elements
—