The open encyclopedia of minerals

Glossary Cite the database

Mineralogist.org

Minerals A–Z Search Collections Browse by Property Identify a Specimen Compare Minerals Localities Map Glossary Contribute Search the Database →

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

Chlorothionite

Name

—

K₂Cu(SO₄)Cl₂

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Orthorhombic

Crystal system

—

2.5

Mohs hardness

—

2.69

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

Pnma

Space group

—

Chlorothionite

Structural group

—

Ctn · Grandfathered

IMA

—

1872

Named in

—

Bright to pale blue, may be pale greenish blue

Typical colors

—

K · Cu · S · O · Cl

Elements

—