Compare Minerals

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

Mineral A

Mineral B

Fizélyite

Name

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Ag₅Pb₁₄Sb₂₁S₄₈

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

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5.56

Specific gravity

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Dark gray

Streak

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Metallic. Anisotropism: Shown, but without distinct color effects. R1 –R2: (400) 41.6–48.3, (420) 40.6–47.4

Luster

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{010}

Cleavage

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P2_1/n

Space group

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Lillianite

Structural group

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Fiz · Grandfathered

IMA

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1923

Named in

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Dark lead-gray to steel-gray

Typical colors

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Ag · Pb · Sb · S

Elements

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