RRUFF Ideal Chemistry changed from "Na5Zr2Si6O18(Cl,OH)·2H2O" to "Na5Zr4+2Si6O18(Cl,OH)·2H2O"
Mineral Comment changed from
Chao G Y, Chen T T, Baker J (1980) Petarasite, a new hydrated sodium zirconium hydroxychlorosilicate mineral from Mont St-Hilaire, Quebec, The Canadian Mineralogist 18, 497-502
Fleischer M, Cabri L J (1981) New mineral names, American Mineralogist 66, 1274-1280
to
Chao G Y, Chen T T, Baker J (1980) Petarasite, a new hydrated sodium zirconium hydroxychlorosilicate mineral from Mont St-Hilaire, Quebec, The Canadian Mineralogist 18, 497-502