Home / Explore / Minerals / Jahnsite-(Namnmg) Minerals Jahnsite-(Namnmg) jahnsite-(NaMnMg) {(Na,Ca)}{(Mn²⁺,Fe³⁺)}{(Mg,Fe³⁺)2}{Fe³⁺2}(PO4)4(OH)2(H2O)8 Jahnsite-(NaMnMg): Mineral information, data and localities. — via www.mindat.org · Source Overview Jahnsite-(Namnmg) is a mineral species. It crystallises in the monoclinic system. Scientific references Jahnsite-(Namnmg) — Wikidata. https://www.wikidata.org/wiki/Q55861858 Link