AM_Scapolite_13 Formula: (Ca.6 Na3.28 K.12) Al3.52 Si8.56 O24.36 (Cl.89 C.08 S.03) Name: Scapolite Unit cell: 12.0471 12.0471 7.5793 90.0 90.0 90.0 , V=1100.00 Space group: I14/M1 (1)

Sokolova E , Hawthorne F C , The Canadian Mineralogist , 46 (2008) p.1527-1554, The crystal chemistry of the scapolite-group minerals. I. crystal structure and, long-range order, Locality: Pamir, Tajikistan, Note: S5