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

D

Name

—

Fe²⁺(UO₂)₂(SO₄)₂(OH)₂·7H₂O

Formula

—

Mineral Species

Entry type

—

Sulfates

Chemical class

—

Orthorhombic

Crystal system

—

2

Mohs hardness

—

3.268

Specific gravity

—

White

Streak

—

Vitreous

Luster

—

On {100}, perfect; on {010}, a parting

Cleavage

—

Pnn2

Space group

—

—

Structural group

—

Dli · Approved

IMA

—

1996

Named in

—

Pale yellow to pale gray

Typical colors

—

Fe · U · O · S · H

Elements

—