Citation: Mellini, M.; Merlino, S.; Rossi, G. (1977). The crystal structure of tuscanite Note Sample from the pumice deposit in Pitigliano, Tuscany, Italy. American Mineralogist, 62, pp. 1114-1120.
Formula: Al1.85 Ca2.89 K0.51 O15 S0.95 Si3.15
List type: interleaving
List: 2D
Basis: (0;1;0 0;0;1)
Dimensionality: 2
Formula: Al10 O22 Si10 (Al5 O11 Si5)
Multiplicity: 1