AM_Tremolite_5 Formula: O24 Si8 Mg5.18 Ca1.82 Name: Tremolite Unit cell: 9.809 18.054 5.2763 90.0 104.57 90.0 , V=904.34 Space group: C12/M1 (12)

Sharma A , Jenkins D M , American Mineralogist , 84 (1999) p.1304-1318, Hydrothermal synthesis of amphiboles along the tremolite-pargasite join, and in the ternary system tremolite-pargasite-cummingtonite, Sample: PARG 23-13