Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Tapiolite-(Mn) | MnIITa2O6 | — | — | 0 | 0 | — | Mineral | |
| Tausonite | SrTiO3 | Strontium titanate | — | 5 | 2 | CL/SEM | Mineral, Titanate | |
| Tavorite | LiFeIII(PO4)(OH) | Amblygonite (group) | — | 0 | 0 | — | Mineral, Hydroxide , Orthophosphate , Phosphate | |
| Technetium | Tc | — | — | 2 | 0 | — | Element | |
| Tectosilicate | [AlxSiyO(2x+2y)]x- | — | — | 4 | 0 | — | Group | |
| Tellurite | TeO2 | — | — | 0 | 0 | — | Mineral, Simple oxide | |
| Tellurium | Te | — | — | 11 | 2 | SXES | Metal , Mineral , Element | |
| Tephroite | MnII2(SiO4) | Olivine | — | 0 | 0 | — | Mineral, Silicate | |
| Terbium | Tb | — | — | 12 | 0 | — | Element , Metal | |
| Terbium aluminium garnet | Tb3Al5O12 | — | — | 3 | 0 | — | Compound, Synthetic | |
| Terbium orthophosphate | TbPO4 | REE phosphate | — | 0 | 0 | — | Compound, Orthophosphate , Phosphate | |
| Terbium ultraphosphate | TbP5O14 | REE ultraphosphate | — | 18 | 2 | CL/SEM, SXES | Synthetic , Compound, Phosphate , Ultraphosphate | |
| Tetraferriannite | KFeII3(Si3FeIII)O10(OH)2 | Biotite | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Tetraferriphlogopite | KMg3(Si3FeIII)O10(OH)2 | Biotite | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Tetrarooseveltite | Bi(AsO4) | — | — | 0 | 0 | — | Arsenate , Mineral |
