AM_Actinolite_10 Formula: Fe2.755 Mn.03 Mg2.395 Ca1.78 Na.076 Si7.98 Al.02 K.012 H1.88 O23.918 F.046 Cl.036 Name: Actinolite Unit cell: 9.891 18.2 5.296 90.0 104.55 90.0 , V=922.79 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: C28, 11B, from Luce Lake, Labrador, Canada in an iron formation, after heating at 700 C