VS
Name
—
TlHgAsS₃
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
1–2
Mohs hardness
—
6.15
Specific gravity
—
Bright orange, yellow
Streak
—
Adamantine
Luster
—
Perfect on {010}, excellent on {110} and {001}, good on {101}
Cleavage
—
P2_1/n
Space group
—
—
Structural group
—
Cri · Approved
IMA
—
1976
Named in
—
Bright orange to deep red or crimson, darker than realgar; yellowish orange with red tinge, tarnishes brown
Typical colors
—
Tl · Hg · As · S
Elements
—