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

P

Phosphowalpurgite

Name

—

(UO₂)Bi₄O₄(PO₄)₂·2H₂O

Formula

—

Mineral Species

Entry type

—

Phosphates

Chemical class

—

Triclinic

Crystal system

—

5

Mohs hardness

—

6.36

Specific gravity

—

Light brownish grey

Streak

—

Vitreous to adamantine

Luster

—

{010}, perfect

Cleavage

—

P-1

Space group

—

—

Structural group

—

Pwal · Approved

IMA

—

2001

Named in

—

Brownish grey

Typical colors

—

U · O · Bi · P · H

Elements

—