Photo: David Hospital · CC BY 4.0

Silica mineral, rutile mineral group

Properties

Chemical formula

SiO₂

Group

Silicates

Crystal system

Tetragonal

Hardness (Mohs)

9,4

Color

Colorless

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P4₂/mnm

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DA.40

Dana classification

4.4.1.9

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Sti

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata