Home / Explore / Minerals / Fivegite Minerals Fivegite fivegite K4Ca2[AlSi7O17(O2-xOHx)][(H2O)2-xOHx]Cl Fivegite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Fivegite is a mineral species (silicate mineral). It crystallises in the orthorhombic system. Scientific references Fivegite — Wikidata. https://www.wikidata.org/wiki/Q19833649 Link