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

Mäkinenite

Name

—

NiSe

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Hexagonal

Crystal system

—

2.5–3

Mohs hardness

—

7.22

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

R3m

Space group

—

Millerite

Structural group

—

Mkn · Approved

IMA

—

1964

Named in

—

In polished section, yellow-orange, pure yellow in oil

Typical colors

—

Ni · Se

Elements

—