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

W

Name

—

Mg₆Cr₂(OH)₁₆Cl₂·4H₂O

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Hexagonal

Crystal system

—

1.5–2

Mohs hardness

—

2.062

Specific gravity

—

Pale pink to white

Streak

—

Resinous to waxy

Luster

—

Perfect on {0001}

Cleavage

—

R-3m

Space group

—

Hydrotalcite

Structural group

—

Wod · Approved

IMA

—

2000

Named in

—

Purple to deep magenta; pale pink in transmitted light

Typical colors

—

Mg · Cr · O · H · Cl

Elements

—