Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Dalnegorskite | Ca5Mn(Si3O9)2 | Wollastonite (group) | — | 0 | 0 | — | Mineral, Silicate | |
| Danburite | CaB2Si2O8 | — | — | 13 | 2 | PL/Laser | Mineral, Borosilicate | |
| Darapiosite | KNa2Mn2(Li2ZnSi12)O30 | Osumilite (group) | — | 0 | 0 | — | Mineral, Silicate | |
| Dark mica | — | Mica | — | 0 | 0 | — | Aluminosilicate , Informal | |
| Darrellhenryite | Na(Al2Li)Al6(Si6O18)(BO3)3(OH)3O | Tourmaline | — | 0 | 0 | — | Mineral, Hydroxide , Borate , Aluminosilicate | |
| Datolite | CaB(SiO4)(OH) | Datolite (subgroup) | — | 9 | 2 | PL/Laser | Mineral, Hydroxide , Borosilicate | |
| Datolite (group) | — | Nesosilicate | — | 0 | 0 | — | Group | |
| Datolite (subgroup) | CaII2MBIII2SiIV2O8φ2, M=Fe,□; φ=O,OH | Gadinolite (group) | Datolite, Homilite | 0 | 0 | — | Subgroup | |
| Davidsmithite | (Ca,☐)2Na6Al8Si8O32 | Feldspathoid (group) | — | 0 | 0 | — | Mineral, Aluminosilicate | |
| Davisite | CaScAlSiO6 | Clinopyroxene | — | 0 | 0 | — | Mineral, Aluminosilicate | |
| Delhayelite | K7Na3Ca5Al2Si14O38F4Cl2 | — | — | 9 | 0 | — | Hydrated , Mineral, Aluminosilicate | |
| Dellagiustaite | VIIAl2O4 | Spinel (subgroup) | — | 0 | 0 | — | Mineral | |
| Deloneite | (Na0.5REE0.25Ca0.25)(Ca0.75REE0.25)Sr1.5(CaNa0.25REE0.25)(PO4)3F0.5(OH)0.5 | REE phosphate | — | 0 | 0 | — | Mineral, Hydroxide , Orthophosphate , Halide , Phosphate | |
| Deltalumite | (Al0.67☐0.33)Al2O4 | Spinel (subgroup) | — | 0 | 0 | — | Mineral | |
| Demartinite | K2SiF6 | — | — | 0 | 0 | — | Mineral, Halide |
