Beryllonite Formula: Na Be P O4 Name: Beryllonite Unit cell: 8.178 7.818 14.114 90.0 90.0 90.0 , V=902.39 Space group: P121/N1 (14)
Giuseppetti G , Tadini C , Tschermaks Mineralogische und Petrographische Mitteilungen , 20 (1973) p.1-12, Refinment of the crystal structure of beryllonite