AM_Beryl_17
Formula: Si6.003 Be2.985 Li.006 Al1.979 Fe.024 O18 Na.026
Name: Beryl
Unit cell: 9.2097 9.2097 9.1943 90.0 90.0 120.0 , V=675.37
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: 16