Francium
Properties
| Formula | Fr |
| Luminescence emitter | Fr |
| Search other databases | webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database |
| Tags | Element |
Composition
| Element | Atoms |
|---|---|
| Fr | 1 |
| Total: | 1 |