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

Stromeyerite

Name

—

CuAgS

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Orthorhombic

Crystal system

—

2.5–3

Mohs hardness

—

6.2–6.3

Specific gravity

—

Steel-gray

Streak

—

Metallic

Luster

—

—

Cleavage

—

Cmc2_1

Space group

—

—

Structural group

—

Smy · Grandfathered

IMA

—

1832

Named in

—

Dark steel-gray, tarnishes bluish; in polished section, dull grayish white

Typical colors

—

Cu · Ag · S

Elements

—