AM_Pectolite Formula: (Ca1.23 Mn.77) Na Si3 O9 Name: Pectolite Unit cell: 10.059 10.88 6.978 98.84 100.58 82.64 , V=737.85 Space group: C-1 (2)

Ohashi Y , Finger L W , American Mineralogist , 63 (1978) p.274-288, The role of octahedral cations in pyroxenoid crystal chemistry. I. Bustamite,, wollastonite, and the pectolite-schizolite-serandite series, sample SCH, from Kangerdluarsuk, Julianehaab, Greenland