Photo: Henk Smeets · CC BY 4.0

Pyroxene mineral

Properties

Chemical formula

CaFe³⁺AlSiO₆

Group

Silicates

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

Brown

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

C2/c

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.DA.15

Dana classification

65.1.3a.6

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Ess

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata