VS
Name
—
Pb₂₃Sb₂₅S₆₀Cl
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Triclinic
Crystal system
—
2.5
Mohs hardness
—
5.68
Specific gravity
—
Black
Streak
—
Metallic. Anisotropism: Distinct to strong, in greenish gray. R1 –R2: (400) 44.0–46.6, (420) 42.3–45.8
Luster
—
—
Cleavage
—
P-1
Space group
—
Dadsonite
Structural group
—
Dad · Approved
IMA
—
1968
Named in
—
Lead-gray; in polished section, white with a greenish tint, with blood-red internal reflections in oil
Typical colors
—
Pb · Sb · S · Cl
Elements
—