VS
Name
—
Hg₃Tl₄As₈Sb₂S₂₀
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
5.3
Specific gravity
—
Pale red with a yellow tone
Streak
—
Submetallic to metallic
Luster
—
{010}, good
Cleavage
—
Aba2
Space group
—
—
Structural group
—
Vrb · Grandfathered
IMA
—
1912
Named in
—
Dark gray-black with a bluish tint; in polished section, bluish white with red internal reflections
Typical colors
—
Hg · Tl · As · Sb · S
Elements
—