VS
Name
—
Ag₃Sb₂(Bi,Sb)S₆
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Triclinic
Crystal system
—
2.5
Mohs hardness
—
5.602
Specific gravity
—
Black to red-brown
Streak
—
Brilliant metallic
Luster
—
Perfect on {010}, fair on {100}, poor on {001}
Cleavage
—
P-1
Space group
—
Aramayoite
Structural group
—
Ary · Grandfathered
IMA
—
1926
Named in
—
Iron-black, with thin edges showing deep blood-red; white in reflected light
Typical colors
—
Ag · Sb · Bi · S
Elements
—