AM_Paranatisite
Formula: Ti3 Si2 Na4 O10
Name: Paranatisite
Unit cell: 9.181 4.8 9.811 90.0 90.0 90.0 , V=432.36
Space group: PMC21 (26)

Sokolova E V , Hawthorne F C , The Canadian Mineralogist , 40 (2002) p.947-960, Reconsideration of the crystal structure of paranatisite and the crystal