AM_Cummingtonite_6
Formula:
(Mg4.441 Fe2.559) Si8 O24
Name:
Cummingtonite
Unit cell:
9.502 18.126 5.309 90.0 102.07 90.0 , V=894.17
Space group:
C12/M1 (12)
Yang H , Smyth J R , American Mineralogist , 81 (1996) p.363-368