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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

Sarmientite

Name

—

Fe³⁺₂(AsO₄)(SO₄)(OH)·5H₂O

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

2.58

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

P2_1/c

Space group

—

—

Structural group

—

Smi · Grandfathered

IMA

—

1941

Named in

—

Pale yellow-orange

Typical colors

—

Fe · As · O · S · H

Elements

—