Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Gadolinite (subgroup) | AIII2MBeII2SiIV2O8ψ2, A=Y,Ce,REE, M=Fe,◻, ψ=O,OH | Gadinolite (group) | Hingganite-(Yb), Gadolinite-(Y), Minasgeraisite-(Y), Hingganite-(Nd), Hingganite-(Y), Gadolinite-(Nd), Hingganite-(Ce), Calcybeborosilite-(Y), Gadolinite-(Ce) | 0 | 0 | — | Silicate , Hydroxide, Subgroup | |
| Gadolinite (supergroup) | A2MQ2T2O8φ2 | — | Gadinolite (group), Herderite (group) | 0 | 0 | — | Silicate , Supergroup | |
| Gadolinite-(Ce) | Ce2FeIIBe2O2(SiO4)2 | Gadolinite (subgroup) | — | 0 | 0 | — | Mineral, Silicate | |
| Gadolinite-(Nd) | Nd2FeIIBe2O2(SiO4)2 | Gadolinite (subgroup) | — | 0 | 0 | — | Mineral, Silicate | |
| Gadolinite-(Y) | Y2FeIIBe2O2(SiO4)2 | Gadolinite (subgroup) | — | 0 | 0 | — | Mineral, Silicate | |
| Gadolinium | Gd | — | — | 12 | 0 | — | Metal , Element | |
| Gadolinium orthophosphate | GdPO4 | REE phosphate | — | 0 | 0 | — | Compound, Orthophosphate , Phosphate | |
| Gadolinium oxide | Gd2O3 | REE oxide | — | 9 | 1 | CL/SEM | Simple oxide , Compound | |
| Gadolinium ultraphosphate | GdP5O14 | REE ultraphosphate | — | 13 | 2 | CL/SEM, SXES | Synthetic , Compound, Phosphate , Ultraphosphate | |
| Gagarinite-(Ce) | NaCaCeF6 | REE fluoride | — | 0 | 0 | — | Mineral, Halide | |
| Gagarinite-(Y) | NaCaYF6 | REE fluoride | — | 15 | 1 | CL/SEM | Mineral, Halide | |
| Gahnite | ZnAl2O4 | Spinel (subgroup) | — | 1 | 0 | — | Mineral | |
| Gahnite-Hercynite (series) | (Zn,FeII)Al2O4 | Spinel (subgroup) | — | 0 | 0 | — | Series | |
| Galaxite | MnIIAl2O4 | Spinel (subgroup) | — | 0 | 0 | — | Mineral | |
| Galena | PbS | Lead sulphide, Galena (group) | — | 2 | 1 | SXES | Mineral, Sulphide |
