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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

C

Name

—

K₂Cu(SO₄)₂·6H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Monoclinic

Crystal system

—

—

Mohs hardness

—

2.22

Specific gravity

—

—

Streak

—

Vitreous

Luster

—

On {201}, perfect

Cleavage

—

P2_1/a

Space group

—

Picromerite

Structural group

—

Cyc · Grandfathered

IMA

—

1855

Named in

—

Greenish blue

Typical colors

—

K · Cu · S · O · H

Elements

—