VS
Name
—
Ag₁₋ₓSbₓ (x ≈ 0.09-0.16)
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
10
Specific gravity
—
—
Streak
—
Metallic. Anisotropism: Weak. Bireflectance: Strong. R1 –R2: (400) 67.0–68.8, (420) 66.5–68.2, (440) 66.0–67.6
Luster
—
—
Cleavage
—
P6_3/mmc
Space group
—
Allargentum
Structural group
—
All · Approved
IMA
—
1949
Named in
—
Silver
Typical colors
—
Ag · Sb
Elements
—