AM_Dellaite Formula: Ca6 Si3 O13 H2 Name: Dellaite Unit cell: 6.85 6.95 12.9 90.75 97.33 98.25 , V=602.51 Space group: P-1 (2)

Ganiev R M , Ilyukhin V V , Belov N V , Doklady Akademii Nauk SSSR , 190 (1970) p.831-834, Crystal structure of cement phase Y=Ca6[Si2O7][SiO4](OH)2, Locality: synthetic