Kyawthuite

{{Short description|Oxide mineral}}

{{infobox mineral

| name = Kyawthuite

| category = Oxide mineral

| image =Kyawthuite.jpg

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| caption =Kyawthuite sample on display at the Natural History Museum of Los Angeles County

| formula = BiSbO₄

| IMAsymbol = Kyw{{Cite journal|last=Warr|first=L.N.|date=2021|title=IMA–CNMNC approved mineral symbols|journal=Mineralogical Magazine|volume=85|issue=3|pages=291–320|doi=10.1180/mgm.2021.43|bibcode=2021MinM...85..291W|s2cid=235729616|doi-access=free}}

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| system = Monoclinic

| class = Prismatic (2/m)
(same H-M symbol)

| symmetry = {{math|I2/c}}

| unit cell = a = {{val|5.46|ul=Å}}, b = {{val|4.89|u=Å}}
c = {{val|11.85|u=Å}}, β = 101.20° (approximated); {{math|Z {{=}} 4}}

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}}

Kyawthuite (/ˈtʃɜːrˌtuːaɪt/){{Cite AV media |url=https://www.youtube.com/watch?si=LcdNSxLlxZotc-MB&v=Ofw-lMCznZo&feature=youtu.be |title=How to Pronounce Kyawthuite (CORRECTLY!) |date=2024-03-29 |last=Julien Miquel |access-date=2025-05-05 |via=YouTube}} is a rare mineral{{cite web|url=http://www.mindat.org/min-46909.html |title=Kyawthuite: Kyawthuite mineral information and data |website=Mindat.org |accessdate=2016-03-04}} with formula BiSbO₄.Kampf, A.R., Rossman, G.R. and Ma, C. (2015) Kyawthuite, IMA 2015-078. CNMNC Newsletter No. 28, December 2015, 1863; Mineralogical Magazine 79, 1859–1864 It is a natural bismuth antimonate, in which bismuth has oxidation state +3, and antimony oxidation state +5.