Kyawthuite[needs IPA] is a rare mineral[2] with formula BiSbO4.

Kyawthuite is monoclinic, with space group I2/c, and is isostructural with clinocervantite,[2] its trivalent-antimony-analogue.

[5] Kyawthuite was discovered in the vicinity of Mogok in Myanmar, an area famous for its variety of gemstone minerals.

[6] Only one 0.3 gram sample of the naturally occurring form of this mineral is documented, and it is stored and on display at the Natural History Museum of Los Angeles County.

[7] [8] This article about a specific mineral or mineraloid is a stub.