| name | IMA status | image | named after | crystal system | Chemical formula | Classification Strunz 8th | Classification Strunz 9th | Classification Strunz 10th | Density (kg/m³) | Crystallographic point group | color | Space group |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Millerite |  | William Hallowes Miller | Trigonal crystal system | NiS | 02.CC.20[1] [2] | 2.CC.20 | 2.CC.20 | 5,370 | 3 2/m[1] 3 2/m[2] | R3m | ||
| Nickel |  | Ni | 8,908 |