Citation: Aurisicchio, C.; Fioravanti, G.; Grubessi, O.; Zanazzi, P. F. (1988). Reappraisal of the crystal chemistry of beryl Sample: 6. American Mineralogist, 73, pp. 826-837.
Formula: Al1.652 Be2.877 Cs0.04 Fe0.234 Li0.099 Mg0.116 Na0.315 O18 Si6.024
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Be6 Fe8 Li6 Mg4 O36 Si18 (Al2 Be3 Fe4 Li3 Mg2 O18 Si9)
Multiplicity: 1