AM_Beryl_25 Formula: Si6 (Be2.682 Li.318) Al2 O18.16 Cs.096 H.48 Name: Beryl Unit cell: 9.208 9.208 9.197 90.0 90.0 120.0 , V=675.32 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 X-rays, T = 295 K