Photo: Sokolova, Elena, Fernando Cámara, Frank C. Hawthorne, Giancarlo Della Ventura, and Simone Bernardini. · CC BY 4.0

Mineral

Properties

Chemical formula

Ba₄Ti₂Na(NaFe²⁺)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)]

Group

Oxides

Crystal system

Triclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

triclinic-pedial

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Finn

Locality

🇷🇺 Kovdor Zheleznyi mine

Type locality

—

Discovery year

—

Source: Wikidata