AM_Ammonioborite
Formula: N3 B15 O32 H8.96
Name: Ammonioborite
Unit cell: 25.27 9.65 11.56 90.0 94.28 90.0 , V=2811.11
Space group: C12/C1 (15)

Merlino S , Sartori F , Science , 171 (1971) p.377-379, Ammonioborite: New borate polyion and its structure