AM_Norrishite
Formula:
K Li Mn2 Si4 O12
Name:
Norrishite
Unit cell:
5.289 8.914 10.062 90.0 98.22 90.0 , V=469.51
Space group:
C12/M1 (12)
Tyrna P L , Guggenheim S , American Mineralogist , 76 (1991) p.266-271, The crystal structure of norrishite, KLiMn2Si4O12: An oxygen-rich mica