Photo: David Hospital · CC BY-SA 4.0

Borate mineral

Properties

Chemical formula

Mg₂[(Ti,Mg),Fe³⁺]O₂BO₃

Group

Oxides

Crystal system

Orthorhombic

Hardness (Mohs)

5,5

Color

Black

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

Conchoidal

Tenacity

—

Crystal habit

—

Transparency

—

Space group

Pbam

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

6.AB.30

Dana classification

24.2.1.3

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Azo

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata