AM_Narsarsukite Formula: Ti Na2 Si4 O11 Name: Narsarsukite Unit cell: 10.7269 10.7269 7.9476 90.0 90.0 90.0 , V=914.50 Space group: I14/M1 (1)

Peacor D R , Buerger M J , American Mineralogist , 47 (1962) p.539-556, The determination and refinement of the structure of narsarsukite, Na2TiOSi4O10