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

Francoanellite

Name

—

K₃Al₅(PO₃OH)₆(PO₄)₂·12H₂O

Formula

—

Mineral Species

Entry type

—

Phosphates

Chemical class

—

Hexagonal

Crystal system

—

—

Mohs hardness

—

2.26

Specific gravity

—

—

Streak

—

—

Luster

—

—

Cleavage

—

R-3c

Space group

—

—

Structural group

—

Fan · Approved

IMA

—

1974

Named in

—

Yellowish white; colorless in transmitted light

Typical colors

—

K · Al · P · O · H

Elements

—