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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

Epsomite

Name

—

Mg(SO₄)·7H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Orthorhombic

Crystal system

—

2–2.5

Mohs hardness

—

1.677

Specific gravity

—

white

Streak

—

Vitreous, silky in fibrous aggregates

Luster

—

{010}, perfect; {101}, distinct

Cleavage

—

P2_12_12_1

Space group

—

Epsomite

Structural group

—

Esm · Grandfathered

IMA

—

1806

Named in

—

White, Colorless

Typical colors

—

Mg · S · O · H

Elements

—