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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

Macaulayite

Name

—

Fe³⁺₂₄Si₄O₄₃(OH)₂

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

4.41

Specific gravity

—

—

Streak

—

Earthy

Luster

—

{001}, strongly suspected

Cleavage

—

—

Space group

—

—

Structural group

—

Mcy · Approved

IMA

—

1981

Named in

—

Red; in transmitted light, pale red to yellowish

Typical colors

—

Fe · Si · O · H

Elements

—