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

Zaratite

Name

—

Ni₃(CO₃)(OH)₄·4H₂O

Formula

—

Mineral Species

Entry type

—

Carbonates

Chemical class

—

Amorphous

Crystal system

—

3.5

Mohs hardness

—

2.57–2.69

Specific gravity

—

—

Streak

—

Vitreous to greasy

Luster

—

—

Cleavage

—

—

Space group

—

Amorphous

Structural group

—

Zar · Questionable

IMA

—

1850

Named in

—

Emerald-green; green in transmitted light

Typical colors

—

Ni · C · O · H

Elements

—