| Gabrielsonite (A) | Gersdorffite-P213 (R) | Goslarite (G) |
| Gadolinite-(Ce) (A) | Gersdorffite-Pa3 (R) | Gottardiite (A) |
| Gadolinite-(Y) (A) | Gersdorffite-Pca21 (R) | Gottlobite (A) |
| Gagarinite-(Y) (G) | Gerstleyite (G) | Götzenite (G) |
| Gageite-1A (P) | Gerstmannite (A) | Goudeyite (A) |
| Gageite-2M (P) | Getchellite (A) | Gowerite (G) |
| Gahnite (G) | Geversite (G) | Goyazite (G) |
| Gaidonnayite (A) | Gianellaite (A) | Graemite (A) |
| Gainesite (A) | Giannettite (Q) | Greaserite (A) |
| Gaitite (A) | Gibbsite (G) | Graftonite (G) |
| Galaxite (G) | Giessenite (A) | Gramacioliite-(Y) (A) |
| Galeite (G) | Gilalite (A) | Grandidierite (G) |
| Galena (G) | Gillespite (G) | Grandreefite (A) |
| Galenobismutite (G) | Gillulyite (A) | Grantsite (G) |
| Galgenbergite (A) | Gilmarite (A) | Graphite-2H (G) |
| Galileiite (A) | Giniite (A) | Graphite-3R (P) |
| Galkhaite (A) | Ginorite (G) | Gratonite (G) |
| Gallite (G) | Giorgiosite (G) | Grattarolaite (A) |
| Gallobeudantite (A) | Giraudite (A) | Graulichite-(Ce) (A) |
| Gamagarite (G) | Girdite (A) | Gravegliaite (A) |
| Gananite (A) | Girvasite (A) | Grayite (G) |
| Ganomalite (G) | Gismondine (A) | Grechishchevite (A) |
| Ganophyllite (G) | Gittinsite (A) | Greenalite-1M (G) |
| Gaotaiite (A) | Giuseppettite (A) | Greenockite (G) |
| Garavellite (A) | Gjerdingite-Fe (A) | Gregoryite (A) |
| Garnet group | Gladite (G) | Greifensteinite (A) |
| Garrelsite (G) | Gladiusite (A) | Greigite (A) |
| Garronite (A) | Glagolevite (A) | Griceite (A) |
| Gartrellite (R) | Glauberite (G) | Grimaldiite (A) |
| Garyansellite (A) | Glaucocerinite (G) | Grimselite (G) |
| Gasparite-(Ce) (A) | Glaucochroite (G) | Griphite (G) |
| Gaspéite (A) | Glaucodot (G) | Grischunite (A) |
| Gatehouseite (A) | Glauconite-1M (A) | Grossite (A) |
| Gatumbaite (A) | Glaucophane (R) | Grossular (G) |
| Gaudefroyite (A) | Glaukosphaerite (A) | Groutite (G) |
| Gaultite (A) |
Glucine (N) |
Grovesite (Q) |
| Gaylussite (G) | Glushinskite (R) | Grumantite (A) |
| Gearksutite (G) | Gmelinite-Ca (A) | Grumiplucite (A) |
| Gebhardite (A) | Gmelinite-K (A) | Grunerite (R) |
| Gedrite (R) | Gmelinite-Na (R) | Gruzdevite (A) |
| Geerite (A) | Gobbinsite (A) | Guanacoite (A) |
| Geffroyite (A) | Godlevskite (A) | Guanajuatite (G) |
| Gehlenite (G) | Godovikovite (A) | Guanine (A) |
| Geigerite (G) | Goedkenite (A) | Guarinoite (A) |
| Geikielite (G) | Goethite (G) | Gudmundite (G) |
| Geminite (A) | Gold (G) | Guérinite (G) |
| Genkinite (A) | Goldamalgam (N) | Guettardite (A) |
| Genthelvite (G) | Goldfieldite (G) | Gugiaite (A) |
| Geocronite (G) | Goldichite (G) | Guildite (G) |
| Georgbokiite (A) | Goldmanite (A) | Guilleminite (A) |
| Georgechaoite (A) | Goldquarryite (A) | Gunningite (G) |
| Georgeericksenite (A) | Gonnardite (R) | Gupeiite (A) |
| Georgeite (R) | Gonyerite (G) | Gustavite (A) |
| Georgiadesite (G) | Goosecreekite (A) | Gutkovaite-Mn (A) |
| Gerasimovskite (Q) | Gorceixite (G) |
Guyanaite (A) |
| Gerdtremmelite (A) | Gordaite (A) | Gwihabaite (A) |
| Gerenite-(Y) (A) | Gordonite (G) | Gypsum (G) |
| Gerhardtite (G) | Görgeyite (G) | Gyrolite (G) |
| Germanite (G) | Gormanite (A) | Gysinite-(Nd) (A) |
| Germanocolusite (A) | Gortdrumite (A) |