Facts
- Symbol
- Ga
- Atomic number
- 31
- Atomic mass
- 69.7 u
- Minerals
- 7
- Period
- 4
- Group
- 13
- Block
- p
- Melting point
- 302.9 °C
- Boiling point
- 2,673 °C
- Discovered
- 1875
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q861
Minerals containing this element · 7
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Gallite | CuGaS₂ | Tetragonal | — | 4.41 g/cm³ |
| Gallobeudantite | PbGa₃(AsO₄)(SO₄)(OH)₆ | Trigonal | 4.0 | 4.61 g/cm³ |
| Galloplumbogummite | Pb(Ga,Al,Ge)₃(PO₄)₂(OH)₆ | Trigonal | — | 4.62 g/cm³ |
| Ishiharaite | (Cu,Ga,Fe,In,Zn)S | Cubic | — | — |
| Karlseifertite | Pb(Ga₂Ge)(AsO₄)₂(OH)₆ | Trigonal | — | — |
| Tsumgallite | GaO(OH) | Orthorhombic | — | 5.20 g/cm³ |
| Zincobriartite | Cu₂(Zn,Fe)(Ge,Ga)S₄ | Tetragonal | — | — |
Minerals named after it · 2
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Gallobeudantite | PbGa₃(AsO₄)(SO₄)(OH)₆ | Trigonal | 4.0 | 4.61 g/cm³ |
| Tsumgallite | GaO(OH) | Orthorhombic | — | 5.20 g/cm³ |