Photo: Wikimedia Commons

Uranyl nesosilicate

Properties

Chemical formula

Cu(UO₂)₂(SiO₃OH)₂·6H₂O

Group

Silicates

Crystal system

Triclinic

Hardness (Mohs)

4

Color

Yellow

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

—

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.AK.10

Dana classification

—

IMA status

Grandfathered mineral (G)

IMA symbol

Cskl

Locality

🇨🇦 Great Bear Lake

Type locality

—

Discovery year

—

Source: Wikidata