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

K

Name

—

Fe₃Mg(OH)₆Cl₂

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Hexagonal

Crystal system

—

3–3.5

Mohs hardness

—

3.13

Specific gravity

—

—

Streak

—

—

Luster

—

Imperfect on {101 1}

Cleavage

—

R-3

Space group

—

—

Structural group

—

Klg · Approved

IMA

—

2016

Named in

—

Green

Typical colors

—

Fe · Mg · O · H · Cl

Elements

—