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

Harmotome

Name

—

Ba₂(Si₁₂Al₄)O₃₂·12H₂O

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

4.5

Mohs hardness

—

2.41–2.47

Specific gravity

—

White

Streak

—

Vitreous

Luster

—

{010} distinct, {001} poor

Cleavage

—

P2_1/m

Space group

—

Harmotome

Structural group

—

Hrm · Approved

IMA

—

1801

Named in

—

White, Colorless, Yellow, Pink, Brown

Typical colors

—

Ba · Si · Al · O · H

Elements

—