Photo: Wikimedia Commons · Public domain

Silica mineraloid

Properties

Chemical formula

SiO₂·nH₂O

Group

Silicates

Crystal system

Amorphous solid

Hardness (Mohs)

—

Color

Colorless

Luster

—

Streak

White

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

4.DA.10

Dana classification

75.2.1.1

IMA status

Grandfathered mineral (G)

IMA symbol

Opl

Locality

—

Type locality

—

Discovery year

—

Source: Wikidata