AM_Clinochlore
Formula: Mg5.1 Al1.2 Cr.7 Si3 O18 H8
Name: Clinochlore
Unit cell: 5.338 9.247 14.435 90.0 97.08 90.0 , V=707.09
Space group: C1-11 (1)

Brown B E , Bailey S W , American Mineralogist , 48 (1963) p.42-61, Chlorite polytypism: II. Crystal structure of a one-layer Cr-chlorite, Note: variety called kammererite