Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Ice | H2O | Minerals containing H2O | — | 8 | 0 | IR, PL | Mineral, Simple oxide | |
| Iceland spar | CaCO3 | Calcite | — | 3 | 3 | PL/Laser | Carbonate , Variety | |
| Idrialite | C22H14 | — | — | 7 | 0 | PL | Mineral, Organic | |
| Inderborite | CaMg[B3O3(OH)5]2·6H2O | Minerals containing H2O, Minerals containing OH | — | 1 | 0 | PL | Hydroxide , Mineral, Hydrated , Borate | |
| Indium gallium nitride | InGaN | — | — | 1 | 0 | CL/SEM | Compound, Nitride | |
| Indium oxyhydroxide | InOOH | — | — | 4 | 0 | IR | Hydroxide , Compound | |
| Indium phosphide | InP | — | — | 1 | 2 | SXES | Compound | |
| Inyoite | CaB3O3(OH)5·4H2O | Minerals containing H2O, Minerals containing OH | — | 1 | 0 | PL | Hydroxide , Mineral, Hydrated , Borate | |
| Iodargyrite | AgI | — | — | 1 | 0 | IR | Mineral, Halide | |
| Iridium | Ir | — | — | 15 | 2 | SXES | Mineral , Metal , Element | |
| Iriginite | (UO2)MoVI2O7·3H2O | Uranyl molybdate, Minerals containing H2O | — | 3 | 0 | PL | Mineral, Uranyl , Hydrated , Molybdate | |
| Iron | Fe | — | — | 12 | 2 | SXES | Mineral , Metal , Element | |
| Iron oxide/hydroxide | Fe(O,OH)x | — | Limonite, Bernalite, Goethite, Iron(II) oxide, Ferrihydrite, Iron(III) oxide, Iron(II,III) oxide, Feroxyhyte, Maghemite, Iron(II) hydroxide, Lepidocrocite | 1 | 0 | Reflectance | Group , Informal | |
| Iron(I) phosphide | Fe3P | — | Schreibersite | 0 | 1 | CL | Synthetic, Compound , Phosphide | |
| Iron(II) hydroxide | Fe(OH)2 | Iron oxide/hydroxide | Amakinite | 1 | 0 | IR | Hydroxide, Compound |
