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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

A

Name

—

NaFe³⁺(SO₄)₂·6H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Monoclinic

Crystal system

—

2.5–3

Mohs hardness

—

2.19–2.2

Specific gravity

—

—

Streak

—

Vitreous to adamantine

Luster

—

{110}, good, but difficult

Cleavage

—

C2/c

Space group

—

Tamarugite

Structural group

—

Amr · Grandfathered

IMA

—

1933

Named in

—

Pale yellow with a greenish tint

Typical colors

—

Na · Fe · S · O · H

Elements

—