Citation: Raade, G.; Johnsen, O.; Erambert, M.; Petersen, O. V. (2007). Hundholmenite-(Y) from Norway - a new mineral species in the vicanite group: descriptive data and crystal structure. Mineralogical Magazine, 71, pp. 179-192.
Formula: Al0.66 As0.48 B3 Ca3.15 F11.16 Fe0.27 Mn0.03 Na0.27 O39.64 P0.05 Si6.69 Sm7.71 Y4.38
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al3 As6 B9 Ca30 F51 Fe3 Mn9 Na9 O129 P3 Si21 Sm45 Y36 (Al As2 B3 Ca10 F17 Fe Mn3 Na3 O43 P Si7 Sm15 Y12)
Multiplicity: 1