Photo: David Hospital · CC BY-SA 4.0

Vanadium oxide mineral

Properties

Chemical formula

(Ca,Na,K)₀.₉(V⁵⁺,V⁴⁺,Fe²⁺,Ti)₈O₂₀·4H₂O

Group

Oxides

Crystal system

Monoclinic

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

4.HE.20

Dana classification

47.3.2.3

IMA status

Redefined mineral (Rd)

IMA symbol

Frn

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata