The Carnotite reference article from the English Wikipedia on 24-Jul-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Carnotite

Carnotite is a mineral with the chemical formula K₂(UO₂)₂(VO₄)₂.3H₂O. Carnotite has crystals with a monoclinic habit, it has a hardness of about 2, and a bright yellow color.

The high uranium content makes carnotite an important uranium ore and also radioactive. It is deposited from vanadium and uranium one sedimentary rocks.

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