| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 5179 | [1], t-warwickite | Mg1.1Fe0.64Ti0.16Fe0.1Al0.1BO3O | P nam |
| 2. | 5183 | [5], t-warwickite | Mg(Mg,Ti)O[BO3] | P nam |
| 3. | 5184 | [7], t-warwickite | Mg(Mg,Fe,Ti,Al,Cr)O[BO3] | P nma |
| 4. | 8357 | [8], t-warwickite, syn | Mg3TiO2[BO3]2 | P nma |