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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

Feitknechtite

Name

—

Mn³⁺O(OH)

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Hexagonal

Crystal system

—

—

Mohs hardness

—

3.249

Specific gravity

—

—

Streak

—

Dull

Luster

—

—

Cleavage

—

P-3m1

Space group

—

—

Structural group

—

Fkn · Approved

IMA

—

1965

Named in

—

Brownish black

Typical colors

—

Mn · O · H

Elements

—