Compare Minerals

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

Mineral A

Mineral B

Name

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Mg₂Mn²⁺Zn₂(OH)₁₀·2-4H₂O

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Monoclinic

Crystal system

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Mohs hardness

—

2.87

Specific gravity

—

Streak

—

Adamantine to vitreous; dull to pearly on cleavage

Luster

—

Perfect on {100}

Cleavage

—

C2/m

Space group

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Structural group

—

Cia · Approved

IMA

—

1990

Named in

—

Dark brown to reddish brown; dark red-brown in transmitted light; gray in reflected light

Typical colors

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Mg · Mn · Zn · O · H

Elements

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