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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(Cu,Fe)₄As(Se,S)₄

Formula

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Mineral Species

Entry type

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Sulfosalts

Chemical class

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Cubic

Crystal system

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Mohs hardness

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6.17

Specific gravity

—

Streak

—

Metallic. R: (400) 27.4, (420) 27.1, (440) 26.8, (460) 26.5, (480) 26.1, (500) 26.6, (520) 26.9, (540) 27.1

Luster

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Cleavage

—

Space group

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Structural group

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Céa · Approved

IMA

—

1980

Named in

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Dark gray in reflected light

Typical colors

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Cu · Fe · As · Se · S

Elements

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