AM_Punkaruaivite Formula: Li Ti2 Si4 O15 H10 Name: Punkaruaivite Unit cell: 26.688 8.7568 5.2188 90.0 91.189 90.0 , V=1219.38 Space group: C12/C1 (15)

Yakovenchuk V N , Ivanyuk G Y , Pakhomovsky Y A , Selivanova E A , Men shikov Y P , Korchak J A , Krivovichev S V , Spiridonova D V , Zalkind O A , The Canadian Mineralogist , 48 (2010) p.41-50, Punkaruaivite, LiTi2[Si4O11(OH)]2*H2O, a new mineral species from hydrothermal, assemblages, Khibiny and Lovozero alkaline massifs, Kola Peninsula, Russia, Locality: Khibiny and Lovozero alkaline massifs, Kola Peninsula, Russia