AM_Tremolite_4 Formula: Mg5 Ca2 Si8 O24 H2 Name: Tremolite Unit cell: 9.8356 18.0557 5.2785 90.0 104.782 90.0 , V=906.38 Space group: C12/M1 (12)

Yang H , Evans B W , American Mineralogist , 81 (1996) p.1117-1125, X-ray structure refinements of tremolite at 140 and 295 K: Crystal chemistry and, petrologic implications, T = 295 K