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Which naturally occurring bismuth compound is called bismite?

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A labeled periodic table element box for bismuth shows atomic number 83, symbol Bi, atomic weight 208.9804, electron configuration, and properties including solid state, rhombohedral crystal structure, and weakly acidic oxides. — bismuth Properties of bismuth.

Bismite is the naturally occurring oxide of bismuth, with the chemical formula ${Bi}_{2} O_{3}$ . It is also known as bismuth ochre and typically appears as a straw-yellow earth.12