Facts
- Symbol
- Br
- Atomic number
- 35
- Atomic mass
- 79.9 u
- Minerals
- 17
- Period
- 4
- Group
- 17
- Block
- p
- Melting point
- 265.8 °C
- Boiling point
- 331.7 °C
- Discovered
- 1825
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q879
Minerals containing this element · 17
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Arzakite | Hg₃S₂Br₂ | Monoclinic | — | 6.74 g/cm³ |
| Barlowite | Cu₄BrF(OH)₆ | Hexagonal | — | — |
| Bromargyrite | AgBr | Cubic | — | 6.44 g/cm³ |
| Comancheite | Hg²⁺₅₅N³⁻₂₄(NH₂,OH)₄(Cl,Br)₃₄ | Orthorhombic | — | — |
| Demicheleite-(Br) | BiSBr | Orthorhombic | — | 6.21 g/cm³ |
| Eddavidite | Pb₂Cu₁₂O₁₅Br₂ | Cubic | — | — |
| Ermakovite | (NH₄)(As₂O₃)₂Br | Hexagonal | — | — |
| Gaildunningite | Hg²⁺₃[NHg²⁺₂]₁₈(Cl,I,OH,Br,S)₂₄ | Orthorhombic | — | — |
| Kadyrelite | [(Hg¹⁺)₂]₃OBr₃(OH) | Cubic | — | — |
| Kelyanite | (Hg+₂)₆Sb³⁺BrCl₂O₆ | Monoclinic | — | — |
| Kuzminite | HgBr | Tetragonal | 1.5 | — |
| Lafossaite | Tl(Cl,Br) | Cubic | — | — |
| Lavrentievite | Hg²⁺₃S₂(Cl,Br)₂ | Monoclinic | — | — |
| Mutnovskite | Pb₂AsS₃(I,Cl,Br) | Orthorhombic | 2.0 | — |
| Perroudite | Hg₅Ag₄S₅(I,Br)₂Cl₂ | Orthorhombic | — | — |
| Tedhadleyite | Hg²⁺Hg⁺₁₀O₄I₂(Cl,Br)₂ | Triclinic | — | — |
| Vasilyevite | (Hg₂)²⁺₁₀O₆I₃Br₂Cl(CO₃) | Triclinic | — | — |
Minerals named after it · 2
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Bromargyrite | AgBr | Cubic | — | 6.44 g/cm³ |
| Demicheleite-(Br) | BiSBr | Orthorhombic | — | 6.21 g/cm³ |