Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

Mineral A

Mineral B

Eskebornite

Name

—

CuFeSe₂

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Tetragonal

Crystal system

—

3–3.5

Mohs hardness

—

5.35

Specific gravity

—

Streak

—

Metallic

Luster

—

{001}, perfect

Cleavage

—

P-42c

Space group

—

Chalcopyrite

Structural group

—

Ebn · Grandfathered

IMA

—

1949

Named in

—

Brass-yellow, tarnishes dark brown to black; in reflected light, brown-yellow or cream-yellow

Typical colors

—

Cu · Fe · Se

Elements

—