Compare Minerals

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

Mineral A

Mineral B

Krettnichite

Name

—

PbMn³⁺₂(VO₄)₂(OH)₂

Formula

—

Mineral Species

Entry type

—

Vanadates

Chemical class

—

Monoclinic

Crystal system

—

4.5

Mohs hardness

—

4.04

Specific gravity

—

Brown

Streak

—

Adamantine

Luster

—

Perfect ∥ (001), another distinct set intersecting (001) at a high angle visible in polished section

Cleavage

—

C2/m

Space group

—

Natrochalcite

Structural group

—

Knc · Approved

IMA

—

1998

Named in

—

Brown to black with red internal reflections, reddish brown in transmitted light

Typical colors

—

Pb · Mn · V · O · H

Elements

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