Home / Explore / Minerals / Gjerdingenite-Mn Minerals Gjerdingenite-Mn gjerdingenite-Mn K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O Gjerdingenite-Mn Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Gjerdingenite-Mn is a mineral species (cyclosilicate mineral). Nickel–Strunz class: 9.CE.30c. Scientific references Gjerdingenite-Mn — Wikidata. https://www.wikidata.org/wiki/Q3771837 Link