Compare Minerals

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

Mineral A

Mineral B

Kaskasite

Name

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(Mo,Nb)S₂·(Mg₁₋ₓAlₓ)(OH)₂₊ₓ

Formula

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Mineral Species

Entry type

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Oxides & Hydroxides

Chemical class

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Hexagonal

Crystal system

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Mohs hardness

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3.83

Specific gravity

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Black

Streak

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Metallic. Anisotropism: Strong

Luster

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Perfect on {001}

Cleavage

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Space group

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Valleriite

Structural group

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Kks · Approved

IMA

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2013

Named in

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Iron black; light to dark gray in reflected light

Typical colors

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Mo · Nb · S · Mg · Al · O · H

Elements

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