VS
Name
—
SbAs
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Hexagonal
Crystal system
—
3–4
Mohs hardness
—
5.8–6.2
Specific gravity
—
Gray
Streak
—
Metallic, may be splendent, but not uncommonly dull. R1 –R2: (400) 64.8–67.8, (420) 65.0–68.0, (440) 65.2–68.2
Luster
—
Perfect in one direction
Cleavage
—
R-3m
Space group
—
Arsenic
Structural group
—
Sbr · Approved
IMA
—
1941
Named in
—
Tin-white or reddish gray, tarnishes gray
Typical colors
—
Sb · As
Elements
—