Compare Minerals

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

Mineral A

Mineral B

Name

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PbCu₄FeBiS₆

Formula

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Mineral Species

Entry type

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Sulfosalts

Chemical class

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Orthorhombic

Crystal system

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Mohs hardness

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6.06

Specific gravity

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Streak

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Metallic. Anisotropism: Moderate, from grayish blue to pinkish brown or yellowish brown. Bireflectance: Very faint

Luster

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Cleavage

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Pb2_1m

Space group

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Structural group

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Mih · Approved

IMA

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1976

Named in

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Pale gray to grayish white in reflected light

Typical colors

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Pb · Cu · Fe · Bi · S

Elements

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