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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

S

Name

—

KMn²⁺₃(Si₃Al)O₁₀(OH)₂

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

3

Mohs hardness

—

3.2

Specific gravity

—

—

Streak

—

—

Luster

—

Perfect on {001}

Cleavage

—

C2/m

Space group

—

—

Structural group

—

Szu · Approved

IMA

—

2001

Named in

—

Dark reddish brown

Typical colors

—

K · Mn · Si · Al · O · H

Elements

—