Facts
- Symbol
- Gd
- Atomic number
- 64
- Atomic mass
- 157.2 u
- Minerals
- 5
- Period
- 6
- Block
- f
- Melting point
- 1,591 °C
- Boiling point
- 3,273 °C
- Discovered
- 1880
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1832
Minerals containing this element · 5
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Lepersonnite-(Gd) | CaGd₂(UO₂)₂₄(CO₃)₈Si₄O₂₈·60H₂O | Orthorhombic | — | — |
| Mineevite-(Y) | Na₂₅Ba(Y,Gd,Dy)₂(CO₃)₁₁(HCO₃)₄(SO₄)₂F₂Cl | Hexagonal | — | — |
| Monazite-(Gd) | Gd(PO₄) | Monoclinic | — | 5.55 g/cm³ |
| Schuilingite-(Nd) | PbCu(Nd,Gd,Sm,Y)(CO₃)₃(OH) * 1.₅H₂O | Orthorhombic | — | — |
| Xenotime-(Gd) | Gd(PO₄) | Tetragonal | — | — |