AM_Florkeite Formula: K2.929 Ca2 Na Al8 Si8 O44 H18 Name: Florkeite Unit cell: 19.965 14.274 8.704 88.37 125.08 89.57 , V=2028.21 Space group: P-1 (2)

Lengauer C L , Kolitsch U , Tillmanns E , European Journal of Mineralogy , 21 (2009) p.901-913, Florkeite, K3Ca2Na[Al8Si8O32]*12H2O, a new phillipsite-type zeolite, from the Bellerberg, East Eifel volcanic are, Germany, Locality: Bellerberg, East Eifel volcanic are, Germany