Home / Explore / Minerals / Lombardoite Minerals Lombardoite lombardoite Ba2Mn³⁺(AsO4)2(OH) Lombardoite: Mineral information, data and localities. — via www.mindat.org · Source Overview Lombardoite is a mineral species (arsenate mineral). It crystallises in the monoclinic system. Scientific references Lombardoite — Wikidata. https://www.wikidata.org/wiki/Q28002053 Link