Citation: Galli, E.; Gualtieri, A. F. (2008). Direnzoite, [NaK6MgCa2(Al13Si47O120)*36H2O], a new zeolite from Massif Central (France): Description and crystal structure Locality: Massif Central, France Note: changed O11(y) sign. American Mineralogist, 93, pp. 95-102.