Home / Explore / Minerals / Nagashimalite Minerals Nagashimalite nagashimalite Ba4(V³⁺,Ti)4(O,OH)2B2Si8O27Cl Nagashimalite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Nagashimalite is a mineral species (cyclosilicate mineral). Nickel–Strunz class: 9.CE.20. Scientific references Nagashimalite — Wikidata. https://www.wikidata.org/wiki/Q3869909 Link