Home / Explore / Minerals / Keplerite Minerals Keplerite keplerite Keplerite: Mineral information, data and localities. — via www.mindat.org · Source Overview Keplerite is a mineral species (phosphate mineral, Mg analogue of matyhite). It crystallises in the trigonal system. Scientific references Keplerite — Wikidata. https://www.wikidata.org/wiki/Q91895115 Link