Citation: Aurisicchio, C.; Fioravanti, G.; Grubessi, O.; Zanazzi, P. F. (1988). Reappraisal of the crystal chemistry of beryl Sample: 22. American Mineralogist, 73, pp. 826-837.
Formula: Al2 Be2.475 Cs0.154 Li0.498 Na0.228 O18 Rb0.002 Si6.042
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al4 Be6 Li6 O36 Si18 (Al2 Be3 Li3 O18 Si9)
Multiplicity: 1