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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CuAu

Formula

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Mineral Species

Entry type

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Native Elements

Chemical class

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Crystal system

—

1.6

Mohs hardness

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14.67

Specific gravity

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Streak

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Metallic. Anisotropism: Weak, with colors from gray to light gray. R: (405) 44.6, (436) 46.8, (480) 50.3, (526) 55.8

Luster

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Cleavage

—

Space group

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Structural group

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Taur · Approved

IMA

—

1982

Named in

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Golden yellow; copper-red with a yellow tint in reflected light

Typical colors

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Cu · Au

Elements

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