Photo: Krivovichev, S.V.; Yakovenchuk, V.N.; Goychuk, O.F.; Pakhomovsky, Y.A. · CC BY 4.0

Nesosilicate mineral

Properties

Chemical formula

Y₄Al(SiO₄)₂(OH)₂F₅

Group

Silicates

Crystal system

—

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.AG.50

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Klo-Y

Locality

🇷🇺 Mount Ploskaya

Type locality

—

Discovery year

—

Source: Wikidata