Photo: Aangelo · CC BY-SA 3.0

Oxide mineral

Properties

Chemical formula

(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)₂O₆

Group

Oxides

Crystal system

Orthorhombic

Hardness (Mohs)

—

Color

Black

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DG.05

Dana classification

—

IMA status

Redefined mineral (Rd)

IMA symbol

Eux-Y

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata