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

L

Name

—

Ca₂NbFe³⁺O₆

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Orthorhombic

Crystal system

—

5.5

Mohs hardness

—

4.4–4.42

Specific gravity

—

—

Streak

—

[Adamantine.]

Luster

—

—

Cleavage

—

Pbnm

Space group

—

Perovskite

Structural group

—

Ltp · Approved

IMA

—

1964

Named in

—

Black; dark grayish brown in transmitted light

Typical colors

—

Ca · Nb · Fe · O

Elements

—