Home / Explore / Minerals / Chegemite Minerals Chegemite chegemite Ca7(SiO4)3(OH)2 Chegemite Mineral Specimen For Sale — via www.dakotamatrix.com · Source Overview Chegemite is a mineral species (nesosilicate mineral). It crystallises in the orthorhombic system. Scientific references Chegemite — Wikidata. https://www.wikidata.org/wiki/Q19833318 Link