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 Ca0.06 Dy0.36 Fe0.76 H0.4 O10 Si2 Y1.58
Chemical name: Fe0.76 (Y1.58 Dy0.36 Ca0.06) ((Be1.82 B0.18) Si2 O9.6 (O H)0.4)
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