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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Pb(Al₂Cu²⁺)(SO₄)₂(OH)₆

Formula

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Mineral Species

Entry type

—

Sulfates

Chemical class

—

Hexagonal

Crystal system

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3.5

Mohs hardness

—

3.89–4.04

Specific gravity

—

Streak

—

Luster

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Cleavage

—

R-3m

Space group

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Alunite-Alunite

Structural group

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Orz · Approved

IMA

—

1961

Named in

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Greenish yellow; greenish yellow to yellowish green in thin section

Typical colors

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Pb · Al · Cu · S · O · H

Elements

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