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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AgPbAsS₃

Formula

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Mineral Species

Entry type

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Sulfosalts

Chemical class

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Monoclinic

Crystal system

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Mohs hardness

—

5.822

Specific gravity

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Streak

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Metallic. Anisotropism: Distinct, strong in oil. R1 –R2: n.d

Luster

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Cleavage

—

P2_1/a

Space group

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Structural group

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Mrr · Grandfathered

IMA

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1905

Named in

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Lead-gray to steel-gray, commonly tarnishes to iridescence; white in polished section

Typical colors

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Ag · Pb · As · S

Elements

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