Photo: Leon Hupperichs · CC BY-SA 3.0

Questionable oxide mineral

Properties

Chemical formula

(Sn,Fe)(O,OH)₂

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

4.DB.05

Dana classification

4.4.2.1

IMA status

Questionable (Q)

IMA symbol

Vlm

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata