Photo: Shchipalkina, Nadezhda V. and Pekov, Igor V. and Britvin, Sergey N. and Koshlyakova, Natalia N. and Vigasina, Marina F.... · CC BY 4.0

Feldspar group mineral

Properties

Chemical formula

K[Fe3 Si3O8]

Group

Oxides

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

2,722 g/cm³

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

C2/m

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

—

Dana classification

—

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Fsa

Locality

Arsenatnaya fumarole

Type locality

—

Discovery year

—

Source: Wikidata