Liebigite

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Liebigite specimen - rock identification

What is Liebigite?

Liebigite is a uranium carbonate mineral with the chemical formula: Ca2(UO2)(CO3)3·11H2O. It is a secondary mineral occurring in the oxidizing zone of uranium-bearing ores. It is green to yellow green in colour. It has a Mohs hardness of about 3. Liebigite, like some other uranium minerals, is fluorescent under UV light and is also translucent. It crystallizes in the orthorhombic system, but only rarely forms distinct crystals. It typically forms encrustations or granular aggregates. It was first described in 1848 for an occurrence in Adrianople, Edirne Province, Marmara Region, Turkey. It was named for German chemist Justus von Liebig (1803–1873).

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Liebigite Localities Map

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

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North ZoneCentral RidgeSouth Basin

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Quick Facts

Physical Properties

Color
Green to yellowish-green
Hardness (Mohs)
2.5 - 3
Density
2.43 g/cm³

Chemical Properties

Chemical Formula
Ca2(UO2)(CO3)3 · 11H2O
Elements
C, Ca, H, O, U

Also Known As

LiebigiteHebergiteUranothallite
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