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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Ce(Y,U)Fe₂(Ti,Fe,Cr,V)₁₈(O,OH,F)₃₈

Formula

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Mineral Species

Entry type

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Halides

Chemical class

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Hexagonal

Crystal system

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Mohs hardness

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4.29

Specific gravity

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Black to very dark gray

Streak

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Vitreous

Luster

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Cleavage

—

Space group

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Crichtonite

Structural group

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Dvd-Ce · Approved

IMA

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1960

Named in

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Black, brownish on oxidized surfaces; clove-brown in transmitted light; gray in reflected light

Typical colors

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Ce · Y · U · Fe · Ti · Cr · V · O · H · F

Elements

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