VS
Name
—
Ag₂Cu₆Pb₂₅Bi₂₆S₆₈
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
7.02
Specific gravity
—
—
Streak
—
Bright metallic. Anisotropism: Moderate, pale gray, yellow-green, and pale reddish brown to gray-black
Luster
—
—
Cleavage
—
C2/m
Space group
—
Neyite
Structural group
—
Ney · Approved
IMA
—
1968
Named in
—
Lead-gray, tarnishes yellow then Prussian blue; galena-white in reflected light
Typical colors
—
Ag · Cu · Pb · Bi · S
Elements
—