Citation: Lengauer, C. L.; Kolitsch, U.; Tillmanns, E. (2009). Florkeite, K3Ca2Na[Al8Si8O32]*12H2O, a new phillipsite-type zeolite from the Bellerberg, East Eifel volcanic are, Germany. European Journal of Mineralogy, 21, pp. 901-913.
Formula: Al8 Ca2 H18 K2.929 Na O44 Si8
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al16 O64 Si16 (Al O4 Si)
Multiplicity: 1
Coordination sequences: