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

—

Cu₂OCl₂

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Orthorhombic

Crystal system

—

Mohs hardness

—

4.08

Specific gravity

—

Streak

—

Vitreous

Luster

—

One direction, perfect, probably prismatic

Cleavage

—

Fddd

Space group

—

Structural group

—

Mlth · Grandfathered

IMA

—

1870

Named in

—

Black to bluish black; deep brown in transmitted light

Typical colors

—

Cu · O · Cl

Elements

—