Home / Explore / Minerals / Bubnovaite Minerals Bubnovaite bubnovaite K2Na8Ca(SO4)6 Bubnovaite: Mineral information, data and localities. — via zh.mindat.org · Source Overview Bubnovaite is a mineral species (sulfate mineral). It crystallises in the trigonal system. Scientific references Bubnovaite — Wikidata. https://www.wikidata.org/wiki/Q20829934 Link