Citation: Demartin, F.; Gramaccioli, C.M.; Diella, V.; Pilati, T.; Gentile, P. (1993). A crystal-chemical investigation of alpine gadolinite. Canadian Mineralogist, 30, pp. 127-136.
Formula: B0.64 Be1.36 Ca0.22 Dy0.4 Fe0.5 H0.6 O10 Si2 Y1.38
Chemical name: Fe0.5 (Y1.38 Dy0.4 Ca0.22) ((Be1.36 B0.64) Si2 O9.4 (O H)0.6)
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: B4 Be4 Ca4 Dy4 Fe2 O20 Si4 Y4 (B2 Be2 Ca2 Dy2 Fe O10 Si2 Y2)
Multiplicity: 1