Citation: Papike, J. J.; Ross, M. (1970). Gedrites: Crystal structures and intracrystalline cation distributions sample 002. American Mineralogist, 55, pp. 1945-1972.
Formula: Al3.4 Ca0.04 Fe2.53 Mg3.05 Na0.54 O24 Si5.96
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al40 Ca8 Fe28 Mg28 Na8 O96 Si32 (Al10 Ca2 Fe7 Mg7 Na2 O24 Si8)
Multiplicity: 1