AM_Chromphyllite
Formula: (K.82 Ba.14 Na.04) Cr1.42 Al1.28 Mg.18 V.12 Si3 O11.7 F.3 H1.7
Name: Chromphyllite
Unit cell: 5.24 9.103 19.93 90.0 95.59 90.0 , V=946.13
Space group: C12/C1 (15)

Evsyunin V G , Kashaev A A , Rastsvetaeva R K , Crystallography Reports , 42 (1997) p.571-574, Crystal structure of a new representative of Cr micas, Locality: Slyudyanka, Irkutsk, Russia