Compare Minerals

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

Mineral A

Mineral B

Name

—

CoSe

Formula

—

Mineral Species

Entry type

—

Sulfides

Chemical class

—

Hexagonal

Crystal system

—

Mohs hardness

—

7.7

Specific gravity

—

Streak

—

Luster

—

Cleavage

—

P6_3mc

Space group

—

Nickeline

Structural group

—

Fbd · Grandfathered

IMA

—

1957

Named in

—

Similar to nickeline, but more intense violet in oil. Anisotropism: Less anisotropic than nickeline

Typical colors

—

Co · Se

Elements

—