Citation: Aurisicchio, C.; Fioravanti, G.; Grubessi, O.; Zanazzi, P. F. (1988). Reappraisal of the crystal chemistry of beryl Sample: 24 Note: U(1,2) for Na altered to match symmetry constraints.. American Mineralogist, 73, pp. 826-837.
Formula: Al1.758 Be2.898 Fe0.064 H0.9 Li0.015 Mg0.258 Na0.243 O18.9 Si6.009
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al10 Be6 Fe4 Li6 Mg4 O36 Si18 (Al5 Be3 Fe2 Li3 Mg2 O18 Si9)
Multiplicity: 1