VS
Name
—
Ag₃Pb₂Sb₃S₈
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
2.5–3
Mohs hardness
—
6.04
Specific gravity
—
—
Streak
—
Metallic. Anisotropism: Strong. R1 –R2: (400) 38.2–40.1, (420) 37.8–39.8, (440) 37.5–39.5, (460) 37.3–39.3
Luster
—
—
Cleavage
—
P2_1/c
Space group
—
—
Structural group
—
Dpr · Grandfathered
IMA
—
1871
Named in
—
Steel-gray; in polished section, white to grayish white
Typical colors
—
Ag · Pb · Sb · S
Elements
—