Main Page | See live article | Alphabetical index 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. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.