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

Cowlesite

Name

—

Ca(Al₂Si₃)O₁₀·5-6H₂O

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Orthorhombic

Crystal system

—

—

Mohs hardness

—

2.14

Specific gravity

—

—

Streak

—

Pearly

Luster

—

{010}, perfect

Cleavage

—

—

Space group

—

—

Structural group

—

Cow · Approved

IMA

—

1975

Named in

—

Colorless, white, gray, blue-gray

Typical colors

—

Ca · Al · Si · O · H

Elements

—