AM_Vigezzite Formula: (Ca.75 Ce.25) (Nb.95 Ta.63 Ti.42) O6 Name: Vigezzite Unit cell: 11.065 7.527 5.343 90.0 90.0 90.0 , V=445.00 Space group: PNMA (62)

Giuseppetti G , Tadini P , Neues Jahrbuch fur Mineralogie, Monatshefte , 1990 (1990) p.301-308, The crystal structure of vigezzite, (Ca,Ce)(Nb,Ta,Ti)2O6,, intermediate term of the aeschynite series, Locality: Vigezzo Valley, Novara, Italy