VS
Name
—
Cu₂Pb₁₆Bi₂₀(S,Se)₄₇
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
7.08
Specific gravity
—
—
Streak
—
—
Luster
—
One good cleavage parallel to grain elongation, a second at an apparent angle of 40° to the first
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Pdi · Approved
IMA
—
1975
Named in
—
Silver-gray; in polished section, creamy white
Typical colors
—
Cu · Pb · Bi · S · Se
Elements
—