| Danbaite | CuZn2 |
| Datolite | CaBSiO4(OH) |
| Demantoid | Ca3Fe2(SiO4)3 |
| Desert Rose | CaSO4.2H2O |
| Diaboleite | CuPb2Cl2(OH)4 |
| Diamond | C |
| Diaspore | AlO(OH) |
| Digenite | Cu2S or Cu9S5 |
| Diopside | CaMg(SiO3)2 |
| Dioptase | CuSiO2(OH)2 |
| Dolomite | CaMg(CO3)2 |
| Domeykite | Cu3As |
| Douglasite | (K,Fe,Cl,nH2O) |
| Dry Ice | CO2 |
| Dufrenoysite | (Pb,As,S) |
| Dundasite | Pb2Al4(CO3)4(OH)8.3H2O |
| Dyscrasite | Ag3Sb |
| Dzharkenite | (Fe,Se) |