Uranium ore, also known as pitchblende, is a mineral that is primarily used in the production of nuclear power. However, there are other types of uranium ores that exist in nature besides pitchblende. Some synonyms for uranium ore include uraninite, carnotite, and coffinite. Uraninite, also called pitchblende, is a black or brown mineral that is the main ore mineral for uranium. Carnotite is a yellow mineral that contains a significant amount of uranium and is often used as a source of yellowcake, a type of uranium concentrate. Coffinite is a black mineral that is also a source of uranium, though it is not as commonly mined as the other two. Overall, these types of uranium ores are important for producing nuclear power and other industrial applications.