AM_Gramaccioliite-(Y) Formula: Pb.6 Sr.3 (Y.48 Mn.34 Ce.12 U.06) Fe8 Ti12 O38 Name: Gramaccioliite-(Y) Unit cell: 9.186 9.186 9.186 68.82 68.82 68.82 , V=649.78 Space group: R-3 (148)

Orlandi P , Pasero M , Rotiroti N , Olmi F , Demartin F , Moelo Y , European Journal of Mineralogy , 16 (2004) p.171-175, Gramaccioliite-(Y), a new mineral of the crichtonite group from Stura Valley, Piedmont, Italy, Locality: the gneiss of the Hercynian Massif of Argentera at Sambuco, Italy