Photo: Andel · CC0

Tetragonal polymorph of silica, mineral

Properties

Chemical formula

SiO₂

Group

Silicates

Crystal system

Tetragonal

Hardness (Mohs)

—

Color

—

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DA.45

Dana classification

—

IMA status

Hypothetical mineral (H)

IMA symbol

—

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata