AM_Chesnokovite Formula: Na2 Si O12 H18 Name: Chesnokovite Unit cell: 11.7119 19.973 11.5652 90.0 90.0 90.0 , V=2705.35 Space group: IBCA (73)

Pekova I V , Chukanov N V , Zadov A E , Zubkova N V , Pushcharovsky D Yu , Geology of Ore Deposits , 49 (2007) p.727-738, Chesnokovite, Na2[SiO2(OH)2]*8H2O, the first natural sodium orthosilicate from, the Lovozero alkaline pluton, Kola Peninsula: Description and crystal structure, of a new mineral species, Locality: Mt. Kedykverpakhk, Lovozero alkaline pluton, Kola Peninsula, Russia