Home / Explore / Minerals / Imandrite Minerals Imandrite imandrite Na12Ca3Fe³⁺2(Si6O18)2 Imandrite Image — via webmineral.com · Source Overview Imandrite is a mineral species (cyclosilicate mineral). It crystallises in the orthorhombic system. Nickel–Strunz class: 9.CJ.15b. Scientific references Imandrite — Wikidata. https://www.wikidata.org/wiki/Q3796577 Link