Compare Minerals

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

Mineral A

Mineral B

Grigorievite

Name

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Cu₃Fe³⁺₂Al₂(VO₄)₆

Formula

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Mineral Species

Entry type

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Vanadates

Chemical class

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Triclinic

Crystal system

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Mohs hardness

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3.67

Specific gravity

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Reddish brown

Streak

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Semi-metallic. Anisotropism: Weak

Luster

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None

Cleavage

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P-1

Space group

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Howardevansite

Structural group

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Ggv · Approved

IMA

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2012

Named in

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Black, gray with weak deep red internal reflections in reflected light

Typical colors

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Cu · Fe · Al · V · O

Elements

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