Compare Minerals

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

Mineral A

Mineral B

Overite

Name

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CaMgAl(PO₄)₂(OH)·4H₂O

Formula

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Mineral Species

Entry type

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Phosphates

Chemical class

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Orthorhombic

Crystal system

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3.5–4

Mohs hardness

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2.53

Specific gravity

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Streak

—

Vitreous

Luster

—

{010}, perfect; {100}, poor

Cleavage

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Pbca

Space group

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Overite

Structural group

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Ove · Grandfathered

IMA

—

1940

Named in

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Light apple-green to colorless; in transmitted light, colorless

Typical colors

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Ca · Mg · Al · P · O · H

Elements

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