Facts
- Symbol
- Sm
- Atomic number
- 62
- Atomic mass
- 150.4 u
- Minerals
- 5
- Period
- 6
- Block
- f
- Melting point
- 1,346 °C
- Boiling point
- 2,173 °C
- Discovered
- 1879
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1819
Minerals containing this element · 5
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Allanite-(Sm) | (CaSm)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH) | Monoclinic | — | — |
| Florencite-(Sm) | (Sm,Nd)Al₃(PO₄)₂(OH)₆ | Trigonal | — | — |
| Kozoite-(Nd) | (Nd,La,Sm,Pr)(CO₃)(OH) | Orthorhombic | — | — |
| Monazite-(Sm) | SmPO₄ | Monoclinic | — | — |
| Schuilingite-(Nd) | PbCu(Nd,Gd,Sm,Y)(CO₃)₃(OH) * 1.₅H₂O | Orthorhombic | — | — |
Minerals named after it · 2
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Allanite-(Sm) | (CaSm)(AlAlFe²⁺)O[Si₂O₇][SiO₄](OH) | Monoclinic | — | — |
| Florencite-(Sm) | (Sm,Nd)Al₃(PO₄)₂(OH)₆ | Trigonal | — | — |