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

Thalénite-(Y)

Name

—

Y₃Si₃O₁₀F

Formula

—

Mineral Species

Entry type

—

Silicates

Chemical class

—

Monoclinic

Crystal system

—

6–6.5

Mohs hardness

—

4.16–4.41

Specific gravity

—

—

Streak

—

Greasy

Luster

—

—

Cleavage

—

P2_1/n

Space group

—

—

Structural group

—

Tlé-Y · Approved

IMA

—

1898

Named in

—

Black, brown, greenish, pink; in thin section, colorless

Typical colors

—

Y · Si · O · F

Elements

—