Mineral Index
| G | ||
| Garnet |  Mineral Data
| Images |
| Gedrite | Mineral Data
| Images |
| Gehlenite | see under Melilite | |
| Gibbsite | Mineral Data
| Images |
| Gismondine | Mineral Data
| Images |
| Glass | Mineral Data
| Images |
| Glaucophane - Riebeckite | Mineral Data
| Images |
| Gmelinite | Mineral Data
| Images |
| Gonnardite | Mineral Data
| Images |
| Grandidierite | Mineral Data
| Images |
| Grossular | see under Garnet | |
| Gypsum | Mineral Data
| Images |
| H | ||
| Harmotome | Mineral Data
| Images |
| Haüyne | see under Sodalite Group | |
| Hematite | Mineral Data
| Images |
| Heulandite (Ca-) | Mineral Data
| Images |
| Hornblende | Mineral Data
| Images |
| Humite | Mineral Data
| Images |
| I | ||
| Indialite | see under Cordierite | |