Photo: Photograph by Andrew Silver · Public domain

Uranyl nesosilicate mineral

Properties

Chemical formula

Ca(UO₂)₂(SiO₃OH)₂·5H₂O

Group

Silicates

Crystal system

Monoclinic

Hardness (Mohs)

—

Color

Yellow

Luster

—

Streak

—

Density

—

Cleavage

—

Fracture

—

Tenacity

—

Crystal habit

—

Transparency

—

Space group

P2₁

Fluorescence

—

Magnetism

—

Radioactivity

—

Refractive index

—

Optical character

—

Birefringence

—

Pleochroism

—

Strunz classification

9.AK.15

Dana classification

53.3.1.2

IMA status

Renamed mineral (Rn)

IMA symbol

Urp

Locality

🇵🇱 Miedzianka, Lower Silesian Voivodeship

Type locality

—

Discovery year

—

Source: Wikidata