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

S

Name

—

CuPbBi(S,Se)₃

Formula

—

Mineral Species

Entry type

—

Sulfosalts

Chemical class

—

Orthorhombic

Crystal system

—

—

Mohs hardness

—

7.6

Specific gravity

—

—

Streak

—

Metallic

Luster

—

—

Cleavage

—

Pn2_1m

Space group

—

Bournonite

Structural group

—

Sče · Approved

IMA

—

1976

Named in

—

Lead-gray; in polished section, creamy with a brownish tint

Typical colors

—

Cu · Pb · Bi · S · Se

Elements

—