Citation: Merlino, S.; Mellini, M.; Bonaccorsi, E.; Pasero, M.; Leoni, L.; Orlandi, P. (1991). Pitiglianoite, a new feldspathoid from southern Tuscany, Italy: Chemical composition and crystal structure. American Mineralogist, 76, pp. 2003-2008.
Formula: Al9 H18 K4.002 Na10.998 O44.997 S1.5 Si9
List type: interleaving
List: 1-3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al18 O72 Si18 (Al O4 Si)
Multiplicity: 1
Coordination sequences:
Basis: (0;0;1)
Dimensionality: 1
Formula: K6 Na12 O12 S2 (K3 Na6 O6 S)