Citation: de la Calle, C; Pezerat, H; Gasperin, M (1977). Problemes d'ordre-desordre dans les vermiculites structure du mineral calcique hydrate a 2 couches. Journal de Physique (Paris), Colloque., 38, pp. 128-133.
Formula: Al3.36 Ca0.86 Fe0.41 H16.74 Mg4.04 O30.42 Si5.53 Ti0.08
Chemical name: Aluminium calcium iron iron(III) magnesium titanium silicate hydroxidehydrate *
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: Al14 Fe20 Mg6 O24 Si8 Ti6 (Al7 Fe10 Mg3 O12 Si4 Ti3)
Multiplicity: 1
Formula: Ca8 O32 (Ca O4)