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: B0.18 Be1.82 Ca0.04 Dy0.46 Fe0.78 H0.3 O10 Si2 Y1.5
Chemical name: Fe0.78 (Y1.5 Dy0.46 Ca0.04) ((Be1.82 B0.18) Si2 O9.7 (O H)0.3)
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