Citation: Galli, E.; Passaglia, E. (1978). Vertumnite: its crystal structure and relationship with natural and synthetic phases Locality: Campomorto, Montalto di Castro. Tschermaks Mineralogische und Petrographische Mitteilungen, 25, pp. 33-46.
Formula: Al2.126 Ca2 H22 O15.72 Si1.434
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al4 O14 Si4 (Al2 O7 Si2)
Multiplicity: 1