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

Joanneumite

Name

—

Cu(C₃N₃O₃H₂)₂(NH₃)₂

Formula

—

Mineral Species

Entry type

—

Organic Minerals

Chemical class

—

—

Crystal system

—

1

Mohs hardness

—

2.02

Specific gravity

—

Pale violet

Streak

—

Vitreous

Luster

—

—

Cleavage

—

—

Space group

—

—

Structural group

—

Joa · Approved

IMA

—

2012

Named in

—

Violet

Typical colors

—

Cu · C · N · O · H

Elements

—