AM_Andalusite_7 Formula: Al2 Si O5 Name: Andalusite Unit cell: 7.7382 7.8571 5.5338 90.0 90.0 90.0 , V=336.45 Space group: PNNM (58)

Ralph R L , Finger L W , Hazen R M , Ghose S , American Mineralogist , 69 (1984) p.513-519, Compressibility and crystal structure of andalusite at high pressure, 25 kbar step-scan