AM_Beryl_14 Formula: Si6.006 Be2.964 Li.015 Al1.92 Fe.082 Mn.014 O18 Na.061 Cs.015 Rb.002 Name: Beryl Unit cell: 9.2242 9.2242 9.1934 90.0 90.0 120.0 , V=677.43 Space group: P6/MCC (192)

Aurisicchio C , Fioravanti G , Grubessi O , Zanazzi P F , American Mineralogist , 73 (1988) p.826-837, Reappraisal of the crystal chemistry of beryl, Sample: 8