AM_Direnzoite Formula: Na.47 K3 Mg.72 Ca1.12 (Al7.657 Si22.343) O78.37 H46 Name: Direnzoite Unit cell: 7.57887 18.20098 26.15387 90.0 90.0 90.0 , V=3607.74 Space group: PMMN (59)

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