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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

C

Name

—

Ca₀.₂CrS₂·2H₂O

Formula

—

Mineral Species

Entry type

—

Oxides & Hydroxides

Chemical class

—

Hexagonal

Crystal system

—

1.5

Mohs hardness

—

2.51

Specific gravity

—

Black

Streak

—

Submetallic

Luster

—

Perfect on {001}

Cleavage

—

—

Space group

—

—

Structural group

—

Cnu · Approved

IMA

—

1999

Named in

—

Coal-black; gray in reflected light

Typical colors

—

Ca · Cr · S · H · O

Elements

—