Citation: Bosi, F.; Skogby, H. (2013). Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 98, pp. 1442-1448.
Formula: Al6.291 B3 Fe0.627 H3.24 K0.02 Mg2.061 Na0.83 O31 Si6 Ti0.021
List type: noninterleaving
List: 3D
Basis: (1;0;0 0;1;0 0;0;1)
Dimensionality: 3
Formula: Al27 B9 Fe27 H9 Mg27 O96 Si18 Ti9 (Al9 B3 Fe9 H3 Mg9 O32 Si6 Ti3)
Multiplicity: 1