| NN | Card | Specie | Formula | Space Group |
|---|---|---|---|---|
| 1. | 4788 | [27], t-titanite, analogue | NaTaGeO5 | C 2/c |
| 2. | 4792 | [31], td-titanite, analogue | LiTaSiO5 | P 2(1)/c |
| 3. | 5496 | [37], td-titanite, analogue, at 173oK | LiTaOGeO4 | P 2(1)/c |
| 4. | 5497 | [38], t-titanite, analogue, at 293oK | LiTaOGeO4 | C 2/c |
| 5. | 10380 | [54], t-titanite, syn | [Ca0.9Na0.1][Ti0.9Ta0.1]OSiO4 | A 2/a |