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Compare Minerals

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

Mineral A

VS

Mineral B

J

Name

—

MgMn⁴⁺₃O₇·3H₂O

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Triclinic

Crystal system

—

—

Mohs hardness

—

3.5–3.6

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

P-1

Space group

—

—

Structural group

—

Jia · Approved

IMA

—

1990

Named in

—

Brown to brownish black; grayish white in reflected light, with brown internal reflections

Typical colors

—

Mg · Mn · O · H

Elements

—