AM_Phase-E_1 Formula: Mg.361 Si.169 O H.603 Name: Phase-E Unit cell: 2.9853 2.9853 13.9482 90.0 90.0 120.0 , V=107.65 Space group: R-3M (166)

Kudoh Y , Finger L W , Hazen R M , Prewitt C T , Kanzaki M , Veblen D R , Physics and Chemistry of Minerals , 19 (1993) p.357-360, Phase E: A high pressure hydrous silicate with unique, crystal chemistry, Sample: 2