Home / Explore / Minerals / Hjalmarite Minerals Hjalmarite hjalmarite {Na}{NaMn}{Mg5}Si8O22(OH)2 Hjalmarite: Mineral information, data and localities. — via www.mindat.org · Source Overview Hjalmarite is a mineral species (Na-amphibole mineral). It crystallises in the monoclinic system. Scientific references Hjalmarite — Wikidata. https://www.wikidata.org/wiki/Q46004287 Link
