page_title: Bismuth(III) oxide
section_title: Occurrence
hierarchical_section_title: Bismuth(III) oxide / Occurrence
caption_attribution_description: English: Bismite. Pen for scale. No locality given. Mineral collection of Brigham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 4-8051, Bi_2O_3.
context_page_description: Bismuth(III) oxide, also known as bismite and bismuth trioxide, is a chemical compound. Its chemical formula is Bi₂O₃. It has bismuth and oxide ions in it. The bismuth is in its +3 oxidation state.
context_section_description: Bismite is the mineral form of bismuth(III) oxide. It is an ore of bismuth. Its Mohs hardness is 4.5 to 5 and its specific gravity is quite high, around 8 or 9. It is made when bismuthinite is oxidized. It was first found in Nevada in 1868.
caption: Bismite
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