AM_Actinolite_13 Formula: Fe2.673 Mn.042 Mg2.405 Ca1.872 Na.096 Si7.928 Al.072 K.004 H1.886 O23.932 F.048 Cl.02 Name: Actinolite Unit cell: 9.9 18.198 5.299 90.0 104.63 90.0 , V=923.72 Space group: C12/M1 (12)

Evans B W , Yang H , American Mineralogist , 83 (1998) p.458-475, Fe-Mg order-disorder in tremolite-actinolite-ferro-actinolite at ambient, and high temperature, Sample: C60, 12BA, from Bloom Lake, Quebec, Canada in an iron formation, after heating at 700 C