Very rare mineral from the mineral class of oxides and hydroxides

Properties

Chemical formula

—

Group

Oxides

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

I4/m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DK.05

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Hmy

Locality

🇷🇺 Kovdor Zheleznyi mine

Type locality

—

Discovery year

—

Source: Wikidata