Bismite is a mineral that is primarily composed of bismuth oxide. It is a bright yellow mineral that is commonly found associated with other minerals such as cassiterite and wolframite. Bismite has a number of synonyms that may be used to describe it, including bismuth ochre, bismuthine, and bismite oxide. These names all refer to the same mineral and are used interchangeably in geology and mineralogical studies. Bismite is a relatively rare mineral that is not often found in large quantities. However, it has a number of important uses, such as in the manufacturing of various alloys and in the production of certain types of ceramics.