Compare Minerals

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

Mineral A

Mineral B

Ferro-pedrizite

Name

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NaLi₂(Fe²⁺₂Al₂Li)Si₈O₂₂(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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Mohs hardness

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3.13–3.16

Specific gravity

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Pale gray

Streak

—

Vitreous

Luster

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Perfect on {110}, intersecting at ~56º; less-perfect on {001}

Cleavage

—

C2/m

Space group

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Amphibole

Structural group

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Fopd · Approved

IMA

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2014

Named in

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Dark gray-blue to violet-blue

Typical colors

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Na · Li · Fe · Al · Si · O · H

Elements

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