Photo: Didier Descouens · CC BY-SA 4.0

Mineral made of silicon and oxygen

Properties

Chemical formula

SiO₂

Group

Silicates

Crystal system

Trigonal

Hardness (Mohs)

7

Color

Colorless

Luster

—

Streak

Black

Density

2,65 g/cm³

Cleavage

—

Fracture

Conchoidal

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P3₂21

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DA.05

Dana classification

75.1.3.1

IMA status

Approved mineral and/or valid name (A)

IMA symbol

Qz

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata