Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
Ag₃Bi₇S₁₂
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
3.3–3.5
Mohs hardness
—
6.68
Specific gravity
—
—
Streak
—
Metallic, with greasy appearance. Anisotropism: Strong. R1 –R2: (400) 44.2–47.2, (420) 44.8–47.8, (440) 45.2–48.6
Luster
—
Fair, parallel to the elongation
Cleavage
—
C2/m
Space group
—
Pavonite
Structural group
—
Bnj · Approved
IMA
—
1925
Named in
—
Gray on fresh fracture, tarnishing dull or yellow to coppery red; in polished section
Typical colors
—
Ag · Bi · S
Elements
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