AM_Na2Al22O34
Formula:
Al11 Na O17
Name:
Na2Al22O34
Unit cell:
5.5962 5.5962 22.526 90.0 90.0 120.0 , V=610.94
Space group:
P63/MMC (194)
Felsche J , Zeitschrift fur Kristallographie , 127 (1968) p.94-100, The alkali problem in the crystal structure of beta alumina