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Tsepinite-Ca
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| Tsepinite-Ca.11554 Formula: Na.7 K.555 O35.064 Ba.27 Ca1.105 Sr.34 Mn.025 Fe.005 Zn.015 (Ti3.2 Nb.8) Si8 H42.44 Name: Tsepinite-Ca Unit cell: 14.484 14.191 7.907 90.0 117.26 90.0 , V=1444.72 Space group: C2/m (12) |
Pekov I V , Chukanov N V , Ferraris G , Gula A , Pushcharovsky D Y , Zadov A E , Neues Jahrbuch fur Mineralogie, Monatshefte , 2003 (2003) p.461-480, Tsepinite-Ca,(Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2*4H2O, a new mineral, of the labuntsovite group from the Khibiny alkaline massif, Kola peninsula, - novel disordered sites in the vuoriyarvite-type structure, Locality: Lovchorrite mine, Hackman Valley, Yukspor Mountian, Khibiny massif,, Kola Peninsula, Russia
