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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

Mahnertite

Name

—

(Na,Ca,K)Cu₃(AsO₄)₂Cl·5H₂O

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Tetragonal

Crystal system

—

2–3

Mohs hardness

—

3.33

Specific gravity

—

Pale blue

Streak

—

Vitreous

Luster

—

Perfect on {001}

Cleavage

—

I4/mmm

Space group

—

—

Structural group

—

Mah · Approved

IMA

—

1994

Named in

—

Bright blue to emerald-green

Typical colors

—

Na · Ca · K · Cu · As · O · Cl · H

Elements

—