AM_Actinolite_16 Formula: Fe3.112 Mn.088 Mg1.954 Al.024 Ti.002 Ca1.814 Na.018 Si7.988 H1.86 O23.96 F.01 Cl.03 Name: Actinolite Unit cell: 9.908 18.218 5.301 90.0 104.59 90.0 , V=926.00 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: ID4-4C, from Isua Belt, East Greenland, in an iron formation