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

U

Name

—

Bi(UO₂)O₂(OH)

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Monoclinic

Crystal system

—

2–3

Mohs hardness

—

6.36

Specific gravity

—

Yellow

Streak

—

Greasy

Luster

—

{100}

Cleavage

—

P2_1/n

Space group

—

—

Structural group

—

Us · Grandfathered

IMA

—

1873

Named in

—

Yellow-orange, golden to reddish orange, brick-red

Typical colors

—

Bi · U · O · H

Elements

—