AM_Serendibite Formula: B1.632 Si3.368 Al5 Mg2 (Ca1.598 Na.402) O20 Name: Serendibite Unit cell: 10.01 10.393 8.631 106.37 96.1 124.38 , V=669.89 Space group: P-1 (2)

Van Derveer D G , Swihart G H , Sen Gupta P K , Grew E S , American Mineralogist , 78 (1993) p.195-203, Cation occupancies in serendibite: A crystal structure study, Sample from Johnsburg, New York, Displacement parameters obtained from ICSD