Compare Minerals

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

Mineral A

Mineral B

Umbrianite

Name

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K₇Na₂Ca₂[Al₃Si₁₀O₂₉]F₂Cl₂

Formula

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Mineral Species

Entry type

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Silicates

Chemical class

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Orthorhombic

Crystal system

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Mohs hardness

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2.49

Specific gravity

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White

Streak

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Vitreous

Luster

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Perfect on (010), distinct on (100) and (001)

Cleavage

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Pmmn

Space group

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Structural group

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Ubn · Approved

IMA

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2011

Named in

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Colorless

Typical colors

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K · Na · Ca · Al · Si · O · F · Cl

Elements

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