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

Kettnerite

Name

—

CaBiO(CO₃)F

Formula

—

Mineral Species

Entry type

—

Carbonates

Chemical class

—

Orthorhombic

Crystal system

—

—

Mohs hardness

—

5.8

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

Pmmn

Space group

—

Bismutite

Structural group

—

Ket · Grandfathered

IMA

—

1956

Named in

—

Brown, brownish yellow, lemon-yellow

Typical colors

—

Ca · Bi · O · C · F

Elements

—