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

Challacolloite

Name

—

KPb₂Cl₅

Formula

—

Mineral Species

Entry type

—

Halides

Chemical class

—

Monoclinic

Crystal system

—

2–3

Mohs hardness

—

4.77

Specific gravity

—

White

Streak

—

Adamantine to greasy (on exposure to air)

Luster

—

—

Cleavage

—

P2_1/c

Space group

—

—

Structural group

—

Chc · Approved

IMA

—

2004

Named in

—

Colorless to white

Typical colors

—

K · Pb · Cl

Elements

—