AM_Admontite Formula: Mg B6 O17 H22 Name: Admontite Unit cell: 12.664 10.091 11.322 90.0 109.6 90.0 , V=1363.03 Space group: P121/C1 (14)

dal Negro A , Ungaretti L , Basso R , Crystal Structure Communications , 5 (1976) p.433-436, The crystal structure of synthetic hydrated borates: (II) MgO*3B2O3*7H2O