Compare Minerals

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

Mineral A

Mineral B

Oberwolfachite

Name

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SrFe³⁺₃(AsO₄)(SO₄)(OH)₆

Formula

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Mineral Species

Entry type

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Arsenates

Chemical class

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Hexagonal

Crystal system

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Mohs hardness

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3.874

Specific gravity

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Brownish yellow

Streak

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Adamantine

Luster

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Distinct on {0001}

Cleavage

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R-3m

Space group

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Alunite

Structural group

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Approved

IMA

—

2021

Named in

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Light yellow to brown, gray in reflected light

Typical colors

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Sr · Fe · As · O · S · H

Elements

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