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

Jasmundite

Name

—

Ca₁₁O₂(SiO₄)₄S

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Tetragonal

Crystal system

—

5

Mohs hardness

—

3.03

Specific gravity

—

White

Streak

—

Resinous

Luster

—

—

Cleavage

—

I4/mmm

Space group

—

—

Structural group

—

Jas · Approved

IMA

—

1981

Named in

—

Dark brown, greenish brown, brownish green; light brown in thin section

Typical colors

—

Ca · O · Si · S

Elements

—