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

E

Name

—

Na₄Ca₃Mg₂[AsO₃(OH)]₂[AsO₂(OH)₂]₁₀(H₂O)₆·H₂O

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Orthorhombic

Crystal system

—

2

Mohs hardness

—

2.73

Specific gravity

—

White

Streak

—

Vitreous

Luster

—

Perfect on {001}

Cleavage

—

Ccca

Space group

—

—

Structural group

—

Esp · Approved

IMA

—

2018

Named in

—

Colorless

Typical colors

—

Na · Ca · Mg · As · O · H

Elements

—