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Mineral A

VS

Mineral B

M

Manganlotharmeyerite

Name

—

CaMn³⁺₂(AsO₄)₂(OH)₂

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Monoclinic

Crystal system

—

3

Mohs hardness

—

3.77

Specific gravity

—

Light brown

Streak

—

Adamantine

Luster

—

Distinct on {001}

Cleavage

—

C2/m

Space group

—

Natrochalcite

Structural group

—

Mlmy · Approved

IMA

—

2001

Named in

—

Brown-red to dark reddish orange

Typical colors

—

Ca · Mn · As · O · H

Elements

—