Compare Minerals

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

Mineral A

Mineral B

Zircophyllite

Name

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K₂NaFe²⁺₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F

Formula

—

Mineral Species

Entry type

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Silicates

Chemical class

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Crystal system

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4–4.5

Mohs hardness

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3.34

Specific gravity

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Pale brown

Streak

—

Vitreous to adamantine

Luster

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{001}, perfect

Cleavage

—

Space group

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Astrophyllite-Astrophyllite

Structural group

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Zcp · Approved

IMA

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1971

Named in

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Dark brown to nearly black

Typical colors

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K · Na · Fe · Zr · Si · O · H · F

Elements

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