AM_Actinolite_11 Formula: Fe2.757 Mn.026 Mg2.385 Al.016 Ca1.782 Na.074 Si7.988 K.004 H1.876 O23.912 F.048 Cl.04 Name: Actinolite Unit cell: 9.89 18.192 5.294 90.0 104.53 90.0 , V=922.03 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: C41, 11B, from Luce Lake, Labrador, Canada in an iron formation, after heating at 800 C