Home / Explore / Minerals / Lalondeite Minerals Lalondeite lalondeite (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2*3H2O Lalondeite: Mineral information, data and localities. — via www.mindat.org · Source Overview Lalondeite is a mineral species (phyllosilicate mineral). Nickel–Strunz class: 9.EE.85. Scientific references Lalondeite — Wikidata. https://www.wikidata.org/wiki/Q3826255 Link