Home / Explore / Minerals / Loomisite Minerals Loomisite loomisite Loomisite: Mineral information, data and localities. — via www.mindat.org · Source Overview Loomisite is a mineral species (hydrous phosphate mineral). It crystallises in the monoclinic system. Scientific references Loomisite — Wikidata. https://www.wikidata.org/wiki/Q112961313 Link