The open encyclopedia of minerals

Glossary Cite the database

Mineralogist.org

Minerals A–Z Search Collections Browse by Property Identify a Specimen Compare Minerals Localities Map Glossary Contribute Search the Database →

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

Thometzekite

Name

—

PbCu²⁺₂(AsO₄)₂·2H₂O

Formula

—

Mineral Species

Entry type

—

Arsenates

Chemical class

—

Monoclinic

Crystal system

—

4.5

Mohs hardness

—

5.21

Specific gravity

—

—

Streak

—

Earthy

Luster

—

—

Cleavage

—

C2/m

Space group

—

Natrochalcite

Structural group

—

Tmz · Approved

IMA

—

1982

Named in

—

Bluish green to green, greenish yellow; pale gray in transmitted light

Typical colors

—

Pb · Cu · As · O · H

Elements

—