Kategorier
D - Krystaller - D
| Danburitt | Datolitt | Demantoid | Dendritic opal |
| Desert jasper | Diamant | Diamant, rød | Dianitt |
| Dioptas | Dolomitt, rød | Dr. Liesegang stein | Dravitt |
| Drummond Island puddingstone | Dulcote agat | Dumortieritt |
| Danburitt | Datolitt | Demantoid | Dendritic opal |
| Desert jasper | Diamant | Diamant, rød | Dianitt |
| Dioptas | Dolomitt, rød | Dr. Liesegang stein | Dravitt |
| Drummond Island puddingstone | Dulcote agat | Dumortieritt |