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

Georgiadesite

Name

—

Pb₄(As³⁺O₃)Cl₄(OH)

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Monoclinic

Crystal system

—

3.5

Mohs hardness

—

6.3

Specific gravity

—

—

Streak

—

Resinous

Luster

—

—

Cleavage

—

P2_1/c

Space group

—

—

Structural group

—

Ggd · Grandfathered

IMA

—

1907

Named in

—

White or brownish yellow; colorless in transmitted light

Typical colors

—

Pb · As · O · Cl · H

Elements

—