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

Metacinnabar

Name

—

HgS

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Cubic

Crystal system

—

3

Mohs hardness

—

7.65

Specific gravity

—

Black

Streak

—

Metallic

Luster

—

—

Cleavage

—

F-43m

Space group

—

Sphalerite

Structural group

—

Mcin · Grandfathered

IMA

—

1870

Named in

—

Grayish black; in polished section, grayish white

Typical colors

—

Hg · S

Elements

—