Citation: Demartin, F.; Pilati, T.; Gramaccioli, C.M.; Diella, V.; Gentile, P. (1993). A crystal-chemical investigation of alpine gadolinite. Canadian Mineralogist, 30, pp. 127-136.
Formula: B0.36 Be1.64 Ca0.14 Dy0.38 Fe0.66 H0.5 O10 Si2 Y1.48
Chemical name: Fe0.66 (Y1.48 Dy0.38 Ca0.14) ((Be1.64 B0.36) Si2 O9.5 (O H)0.5)
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