AM_Beryllonite Formula: Na Be P O4 Name: Beryllonite Unit cell: 8.16 7.79 14.08 90.0 90.0 90.0 , V=895.01 Space group: P121/N1 (14)

Golovastikov N I , Soviet Physics Crystallography , 6 (1962) p.733-739, The crystal structure of beryllonite (NaBePO4), Locality: Stoneham, Maine, USA