VS
Name
—
Ag₃AuTe₂
Formula
—
Mineral Species
Entry type
—
Sulfides
Chemical class
—
Cubic
Crystal system
—
2.5–3
Mohs hardness
—
8.7–9.4
Specific gravity
—
steel-gray
Streak
—
Metallic. Anisotropism: Noticeable in part. R: (400) 45.0, (420) 43.7, (440) 42.4, (460) 41.4, (480) 40.6, (500) 39.9
Luster
—
{001}
Cleavage
—
I4_132
Space group
—
—
Structural group
—
Ptz · Grandfathered
IMA
—
1845
Named in
—
Bright steel-gray to iron-gray to iron-black, commonly tarnished from bronze-yellow to sooty black
Typical colors
—
Ag · Au · Te
Elements
—