Sklodowskite

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Sklodowskite specimen - rock identification

What is Sklodowskite?

Sklodowskite is a uranium mineral with the chemical formula: Mg(UO2)2(HSiO4)2·5H2O. It is a secondary mineral which contains magnesium and is a bright yellow colour, its crystal habit is acicular, but can form in other shapes. It has a Mohs hardness of about 2-3. It is named after the maiden name of Marie Skłodowska Curie. It is the magnesium analogue of the much more common uranium mineral Cuprosklodowskite, which contains copper instead. It was discovered by Alfred Schoep [de] (1881–1966) in 1924.

Sklodowskite Market Value Calculator

Estimate the market value of Sklodowskite using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.

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Sklodowskite Localities Map

See where Sklodowskite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.

Map preview
North ZoneCentral RidgeSouth Basin

Interactive map layers and collecting notes are available in the app.

Quick Facts

Physical Properties

Color
Light yellow to green-yellow
Hardness (Mohs)
2 - 3
Density
3.51 g/cm³
Streak
Yellow

Chemical Properties

Chemical Formula
Mg(UO2)2(SiO3OH)2 · 6H2O
Elements
H, Mg, O, Si, U
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