A yellow ore of uranium and radium with composition K(UO2 )2 (VO4 )2 · 3H2 O.
A yellow, very soft, radioactive, monoclinic mineral, K2(UO2)2(VO4)23H2O, that is a source of uranium, radium, and vanadium.
Origin of carnotite
- French after Marie Adolphe Carnot (died 1920), French mining engineer
From American Heritage Dictionary of the English Language, 5th Edition