Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Gehlenite | Ca2Al(SiAl)O7 | Åkermanite-Gehlenite (series) | — | 1 | 0 | — | Mineral, Aluminosilicate | |
| Geikielite | MgTiO3 | — | — | 11 | 0 | — | Mineral, Titanate | |
| Germanium | Ge | — | — | 6 | 2 | SXES | Metal , Element | |
| Geversite | PtSb2 | Pyrite (group) | — | 0 | 0 | — | Mineral, Antimonide | |
| Gibbsite | Al(OH)3 | — | — | 9 | 0 | — | Mineral, Hydroxide | |
| Glagolevite | Na(Mg,Al)6(Si3Al)O10(OH,O)8 | Chlorite (group) | — | 0 | 0 | — | Mineral, Aluminosilicate , Hydroxide | |
| Glass | , SiO2 | REE glass | Tachylite, Melt | 87 | 15 | CL, CL/SEM | — | |
| Glaucochroite | CaMnII(SiO4) | Olivine | — | 0 | 0 | — | Mineral, Silicate | |
| Glaucophane | ☐Na2(Mg3Al2)Si8O22(OH)2 | Glaucophane root name group | — | 0 | 0 | — | Mineral, Aluminosilicate , Hydroxide | |
| Glaucophane root name group | ◻[Na2][ZII3Al2]Si8O22(OH,F,Cl)2 | Sodium amphibole | Ferro-glaucophane, Glaucophane | 0 | 0 | — | Group | |
| Goethite | FeO(OH) | Diaspore (group), Iron oxide/hydroxide | — | 9 | 0 | — | Mineral, Hydroxide | |
| Gold | Au | — | — | 17 | 3 | SXES, TL | Metal , Mineral , Element | |
| Goldmanite | Ca3VIII2(SiO4)3 | Garnet | — | 0 | 0 | — | Mineral, Silicate | |
| Gonyerite | MnII5FeIII(Si3FeIIIO10)(OH)8 | Chlorite (group) | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Gorceixite | BaAl3(PO4)(PO3OH)(OH)6 | Plumbogummite (group) | — | 0 | 0 | — | Mineral, Hydroxide , Orthophosphate , Phosphate |
