VS
Name
—
As₄S
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
4.5
Specific gravity
—
—
Streak
—
Metallic. R1 –R2: (400) 39.0–42.0, (420) 36.8–39.4, (440) 34.6–36.8, (460) 33.0–34.8, (480) 32.1–33.6, (500) 31.4–32.7
Luster
—
—
Cleavage
—
—
Space group
—
—
Structural group
—
Du · Approved
IMA
—
1973
Named in
—
Red; in polished section, pale gray
Typical colors
—
As · S
Elements
—