AM_Phase-B-anhydrous
Formula: Si5 Mg14 O24
Name: Phase-B-anhydrous
Unit cell: 5.868 14.178 10.048 90.0 90.0 90.0 , V=835.96
Space group: PMCB (55)

Finger L W , Hazen R M , Prewitt C T , American Mineralogist , 76 (1991) p.1-7, Crystal structures of Mg12Si4O19(OH)2 (phase B) and Mg14Si5O24 (phase AnhB)