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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
I
Name
—
Pb₂₆.₄(Cu,Fe)₂(Sb,Bi)₁₉.₆S₅₇
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
3.7–4.2
Mohs hardness
—
6.47
Specific gravity
—
Gray-black
Streak
—
Metallic
Luster
—
{001}, good
Cleavage
—
Pnnm
Space group
—
Kobellite
Structural group
—
Iz · Approved
IMA
—
1983
Named in
—
Lead-gray
Typical colors
—
Pb · Cu · Fe · Sb · Bi · S
Elements
—