Compare Minerals

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

Mineral A

Mineral B

Ercitite

Name

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NaMn³⁺(PO₄)(OH)·2H₂O

Formula

—

Mineral Species

Entry type

—

Phosphates

Chemical class

—

Orthorhombic

Crystal system

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3–4

Mohs hardness

—

2.77

Specific gravity

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Beige

Streak

—

Vitreous. Streak: Beige

Luster

—

Very good parallel {100} and {001}

Cleavage

—

Cmca

Space group

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Structural group

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Erc · Approved

IMA

—

1999

Named in

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Light brown, dark brown to black in aggregates

Typical colors

—

Na · Mn · P · O · H

Elements

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