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

VS
C
Name
—
Cu₄Pb₁₉(Sb,As,Bi)₂₂(As₂)S₅₆
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Monoclinic
Crystal system
—
3–3.5
Mohs hardness
—
5.918
Specific gravity
—
Black
Streak
—
Metallic
Luster
—
—
Cleavage
—
P2_1/n
Space group
—
Madocite
Structural group
—
Cit · Approved
IMA
—
2015
Named in
—
Black; light gray in reflected light
Typical colors
—
Cu · Pb · Sb · As · Bi · S
Elements
—