AM_Lepidolite-1M
Formula: K Li1.56 Al1.808 Si3.492 O10 F2
Name: Lepidolite-1M
Unit cell: 5.209 9.011 10.149 90.0 100.77 90.0 , V=467.99
Space group: C12/M1 (12)

Guggenheim S , American Mineralogist , 66 (1981) p.1221-1232, Cation ordering in lepidolite, type 1M from Radkovice