Roumaite
Properties
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Halide , Hydroxide , Mineral, Silicate |
Composition
| Element | Atoms |
|---|---|
| H | 1 |
| Ca | ~3 |
| Si | 4 |
| O | 15 |
| ☐ | ~1 |
| Na | ~1 |
| F | 3 |
| Ti | ~0.5 |
| REE | ~2 |
| Nb | ~0.5 |