carnotite

American  

[kahr-nuh-tahyt] / ˈkɑr nəˌtaɪt /

noun

Mineralogy.

1. a yellow, earthy, hydrous potassium uranium vanadate: an ore of uranium.

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carnotite British  

/ ˈkɑːnəˌtaɪt /

noun

1. a radioactive yellow mineral consisting of hydrated uranium potassium vanadate: occurs in sedimentary rocks and is a source of uranium, radium, and vanadium. Formula: K 2 (UO 2 ) 2 (VO 4 ) 2 .3H 2 O

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Etymology

Origin of carnotite

1895–1900; named after A. Carnot (died 1920), French mining official; see -ite ¹

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Example Sentences

See Examples For:

carnotite

Sure enough, the rocks contained streaks of a low-grade uranium ore called carnotite.

From Time Magazine Archive

The ore in the Fergana Valley is rather like the carnotite of Colorado, a complex uranium-vanadium mineral.

From Time Magazine Archive

Eager to develop domestic sources of radium, he studied mining, learned that radium could be obtained from carnotite, developed a reduction plant at Denver to make domestic radium available.

From Time Magazine Archive

In the carnotite ore of Utah and Colorado ten years ago he discovered and refined the first U. S. radium.

From Time Magazine Archive

It's obvious that powdered carnotite was spread here before the corn was planted.

From The Blue Ghost Mystery by Harold L. (Harold Leland) Goodwin

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