Uses. Carnotite is an ore of uranium. At times in the early 20th century, it was mined primarily for radium or vanadium. The mineral was used to produce quack devices involving radioactive substances.

What color is carnotite?

Carnotite, radioactive, bright-yellow, soft and earthy vanadium mineral that is an important source of uranium.

How is Carnotite mined?

It is mined from occurrences in where water flowed underground through sandstones, especially in paleochannels, near fossil carbonaceous matter, in calcretes and near playas.