Compare Minerals

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

Mineral A

Mineral B

Edtollite

Name

—

K₂NaCu₅Fe³⁺O₂(AsO₄)₄

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Triclinic

Crystal system

—

Mohs hardness

—

4.264

Specific gravity

—

Light brown

Streak

—

Semi-metallic

Luster

—

None

Cleavage

—

P-1

Space group

—

Edtollite

Structural group

—

Edt · Approved

IMA

—

2016

Named in

—

Brown-black to black, gray in reflected light with weak, brown internal reflections

Typical colors

—

K · Na · Cu · Fe · O · As

Elements

—