AM_Beryl_23
Formula: Si6 Be2.664 Li.315 Al2 O18.72 Cs.083 Na.24 H1.476
Name: Beryl
Unit cell: 9.197 9.197 9.202 90.0 90.0 120.0 , V=674.07
Space group: P6/MCC (192)

Artioli G , Rinaldi R , Stahl K , Zanazzi P F , American Mineralogist , 78 (1993) p.762-768, Structure refinements of beryl by single-crystal neutron and X-ray diffraction, Sample no. 1, morganite, probed with neutrons, T = 30 K