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

F

Name

—

KNaFe²⁺Si₄O₁₀

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Triclinic

Crystal system

—

5–5.5

Mohs hardness

—

2.744

Specific gravity

—

—

Streak

—

Pearly on cleavages

Luster

—

Two intersecting at an angle of 122±

Cleavage

—

P-1

Space group

—

Litidionite

Structural group

—

Fnk · Approved

IMA

—

1959

Named in

—

Light rose

Typical colors

—

K · Na · Fe · Si · O

Elements

—