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

M

Name

—

H₄U⁴⁺(UO₂)₃(MoO₄)₇·18H₂O

Formula

—

Mineral Species

Entry type

—

Molybdates

Chemical class

—

—

Crystal system

—

3–4

Mohs hardness

—

4

Specific gravity

—

—

Streak

—

Resinous

Luster

—

—

Cleavage

—

—

Space group

—

—

Structural group

—

Mlu · Grandfathered

IMA

—

1957

Named in

—

Black, brown in thin fragments; pale gray in reflected light

Typical colors

—

H · U · O · Mo

Elements

—