Home / Explore / Minerals / Malladrite Minerals Malladrite malladrite Na2[SiF6] Malladrite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Malladrite is a mineral species (halide mineral). It crystallises in the trigonal system. Nickel–Strunz class: 3.CH.05. Scientific references Malladrite — Wikidata. https://www.wikidata.org/wiki/Q3843946 Link