AM_Actinolite Formula: Fe.575 Mn.016 Mg4.479 Al.122 Ti.002 Ca1.802 Na.124 Si7.94 K.014 H1.94 O24 Name: Actinolite Unit cell: 9.834 18.078 5.283 90.0 104.63 90.0 , V=908.75 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: NMNH 93728 from Greiner, Zillertal, Austria in act-talc rock