Facts
- Symbol
- Pr
- Atomic number
- 59
- Atomic mass
- 140.9 u
- Minerals
- 2
- Period
- 6
- Block
- f
- Melting point
- 1,208 °C
- Boiling point
- 3,403 °C
- Discovered
- 1841
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1386
Minerals containing this element · 2
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Kozoite-(Nd) | (Nd,La,Sm,Pr)(CO₃)(OH) | Orthorhombic | — | — |
| Phosinaite-(Ce) | Na₁₃Ca₂(Ce,La,Th,Nd,Pr)(Si₄O₁₂)(PO₄)₄ | Orthorhombic | — | — |