AM_Sborgite Formula: Na B5 O13 H10 Name: Sborgite Unit cell: 11.119 16.474 13.576 90.0 112.83 90.0 , V=2291.96 Space group: C12/C1 (15)

Merlino S , Sartori F , Acta Crystallographica, Section B , 28 (1972) p.3559-3567, The crystal structure of sborgite, NaB5O6(OH)4*3H2O, Locality: synthetic