Material Index
| Name | Formula | Classifications | Members | Image | Lines | Spectra | Techniques | Tags |
|---|---|---|---|---|---|---|---|---|
| Magnesium fluoride | MgF2 | — | Sellaite | 0 | 0 | — | Compound, Halide | |
| Magnesium hydroxide | Mg(OH)2 | — | — | 3 | 0 | — | Hydroxide , Compound | |
| Magnesium oxide | MgO | — | Periclase | 0 | 0 | — | Simple oxide , Compound | |
| Magnetite | FeIIFeIII2O4 | Iron(II,III) oxide, Spinel (subgroup) | Titanomagnetite | 2 | 0 | — | Mineral, Mixed oxide | |
| Magnioursilite | Mg4(UO2)4(Si2O5)5(OH)6·20H2O | Ursilite | — | 5 | 0 | — | Uranyl , Mineral, Silicate , Hydroxide , Hydrated | |
| Majorite | Mg3(MgSi)(SiO4)3 | Garnet | — | 0 | 0 | — | Mineral, Silicate | |
| Malayaite | CaSnO(SiO4) | Titanite (group) | — | 1 | 0 | — | Mineral, Silicate | |
| Malladrite | Na2SiF6 | — | — | 7 | 0 | — | Mineral, Halide | |
| Manandonite | Li2Al4(Si2AlB)O10(OH)8 | Kaolinite-Serpentine Group | — | 0 | 0 | — | Mineral, Aluminosilicate , Borate , Hydroxide | |
| Manganese | Mn | — | — | 10 | 2 | SXES | Metal , Element | |
| Manganese oxyhydroxide | MnOOH | — | — | 5 | 0 | — | Hydroxide , Compound | |
| Manganhumite | MnII7(SiO4)3(OH)2 | Manganhumite (subgroup) | — | 0 | 0 | — | Mineral, Hydroxide , Silicate | |
| Manganhumite (subgroup) | Mn2nSinO4n·Mn(OH,F)2, n=2,3,4 | Humite (group) | Alleghanyite, Sonolite, Manganhumite | 0 | 0 | — | Silicate , Hydroxide , Halide, Subgroup | |
| Manganiakasakaite-(La) | CaLa(MnIIIAlMnII)[Si2O7][SiO4]O(OH) | Allanite (group) | — | 0 | 0 | — | Mineral, Aluminosilicate , Hydroxide | |
| Manganiandrosite-(Ce) | MnCe(MnIIIAlMnII)[Si2O7][SiO4]O(OH) | Allanite (group) | — | 0 | 0 | — | Mineral, Aluminosilicate , Hydroxide |
