Compare Minerals

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

Mineral A

Mineral B

Tschermakite

Name

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Ca₂(Mg₃Al₂)(Si₆Al₂)O₂₂(OH)₂

Formula

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Mineral Species

Entry type

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Silicates

Chemical class

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Monoclinic

Crystal system

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5–6

Mohs hardness

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3.15

Specific gravity

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Streak

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[Vitreous.]

Luster

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Perfect on {110}, intersecting at 56 ± and 124±; partings on {100}, {001}

Cleavage

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C2/m

Space group

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Amphibole

Structural group

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Tsr · Approved

IMA

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1945

Named in

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Green

Typical colors

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Ca · Mg · Al · Si · O · H

Elements

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