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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

P

Potassic-magnesio-arfvedsonite

Name

—

KNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

3.24

Specific gravity

—

Gray-green

Streak

—

Vitreous

Luster

—

Perfect on {110}

Cleavage

—

C2/m

Space group

—

Amphibole-amphiboles sodic

Structural group

—

Pmarf · Approved

IMA

—

2017

Named in

—

Greenish brown

Typical colors

—

K · Na · Mg · Fe · Si · O · H

Elements

—