VS
Name
—
(Cu,Fe)Pb₉Bi₁₂S₂₈
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
2.5
Mohs hardness
—
6.85
Specific gravity
—
—
Streak
—
Metallic
Luster
—
Distinct on {010}, poor on {0kl}
Cleavage
—
Pnma
Space group
—
Kobellite
Structural group
—
Ecl · Approved
IMA
—
1982
Named in
—
Tin-white; in reflected light, whitish gray, bluish gray in oil
Typical colors
—
Cu · Fe · Pb · Bi · S
Elements
—