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

G

Name

—

MnTlAs₃S₆

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

—

Crystal system

—

2–2.5

Mohs hardness

—

4.356

Specific gravity

—

Red

Streak

—

Adamantine

Luster

—

None

Cleavage

—

—

Space group

—

—

Structural group

—

Gkv · Approved

IMA

—

2018

Named in

—

Dark cherry-red, grayish white in reflected light

Typical colors

—

Mn · Tl · As · S

Elements

—