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

VS
Pekoite
Name
—
CuPbBi₁₁S₁₈
Formula
—
Mineral Species
Entry type
—
Sulfosalts
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
6.8
Specific gravity
—
Lead-gray
Streak
—
Metallic. R1 –R2: n.d
Luster
—
{010}, good
Cleavage
—
P2_1am
Space group
—
Meneghinite
Structural group
—
Pek · Approved
IMA
—
1975
Named in
—
Lead-gray; white to cream in reflected light
Typical colors
—
Cu · Pb · Bi · S
Elements
—