Photo: Alchemist-hp (www.pse-mendelejew.de) · CC BY-SA 3.0 de

Questionable mineral

Properties

Chemical formula

(Ce,La,Nd)NbO₄

Group

Oxides

Crystal system

Tetragonal

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

7.GA.05

Dana classification

8.1.1.3

IMA status

Questionable (Q)

IMA symbol

Fgs-Ce

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata