2). Bismuth is mainly found in the ores bismuthinite (bismuth sulfide) and bismite (bismuth oxide), but also occurs in its elemental state, in the form of crystals with an oxide layer of varying ...

Remarkably, kyawthuite stands alone as the sole recognized bismuth-antimony oxide mineral and is named in honor of Dr. Kyaw ...

Kyawthuite is a unique bismuth-antimony oxide mineral containing traces of titanium, niobium, tungsten, uranium, and tantalum. It has a density eight times that of water due to its unusual atomic ...