Andalusite_5 Formula: Al2 Si O5 Name: Andalusite Unit cell: 7.7599 7.8735 5.544 90.0 90.0 90.0 , V=338.72 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, 12 kbar continuous-scan