VS
Name
—
TlPbAs₅S₉
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
1.5–2
Mohs hardness
—
4.6–4.7
Specific gravity
—
—
Streak
—
Adamantine to submetallic
Luster
—
Good on {010}
Cleavage
—
Pbca
Space group
—
—
Structural group
—
Hut · Grandfathered
IMA
—
1905
Named in
—
Scarlet-vermilion to deep cherry-red, with strong red internal reflections
Typical colors
—
Tl · Pb · As · S
Elements
—