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

Lansfordite

Name

—

Mg(CO₃)·5H₂O

Formula

—

Mineral Species

Entry type

—

Carbonates

Chemical class

—

Monoclinic

Crystal system

—

2.5

Mohs hardness

—

1.692

Specific gravity

—

—

Streak

—

Vitreous if fresh

Luster

—

{001}, perfect; {100}, less perfect

Cleavage

—

P2_1/c

Space group

—

—

Structural group

—

Lfd · Grandfathered

IMA

—

1888

Named in

—

Colorless to white; colorless in transmitted light

Typical colors

—

Mg · C · O · H

Elements

—