Compare Minerals

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

Mineral A

Mineral B

Nagyágite

Name

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[Pb₃(Pb,Sb)₃S₆](Au,Te)₃

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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1.5

Mohs hardness

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7.35–7.49

Specific gravity

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Blackish lead-gray

Streak

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Metallic, bright on fresh cleavage

Luster

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Perfect on {010}, excellent on {101}

Cleavage

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P2_1/m

Space group

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Structural group

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Ngy · Grandfathered

IMA

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1845

Named in

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Blackish lead-gray; pale gray in polished section

Typical colors

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Pb · Sb · S · Au · Te

Elements

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