Facts
- Symbol
- Ba
- Atomic number
- 56
- Atomic mass
- 137.3 u
- Minerals
- 267
- Period
- 6
- Group
- 2
- Block
- s
- Melting point
- 727 °C
- Boiling point
- 1,897 °C
- Discovered
- 1808
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1112
Minerals containing this element · 267
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Alforsite | Ba₅(PO₄)₃Cl | Hexagonal | 5.0 | 4.57 g/cm³ |
| Alstonite | BaCa(CO₃)₂ | Triclinic | — | — |
| Anandite | BaFe²⁺₃(Si₃Fe³⁺)O₁₀S(OH) | Monoclinic | — | — |
| Andrémeyerite | BaFe²⁺₂(Si₂O₇) | Monoclinic | 5.5 | — |
| Aradite | BaCa₆[(SiO₄)(VO₄)](VO₄)₂F | Trigonal | — | — |
| Aravaite | Ba₂Ca₁₈(SiO₄)₆(PO₄)₃(CO₃)F₃O | Trigonal | — | — |
| Arctite | Na₅Ca₇Ba(PO₄)₆F₃ | Trigonal | 5.0 | — |
| Ariegilatite | BaCa₁₂(SiO₄)₄(PO₄)₂F₂O | Trigonal | — | — |
| Armenite | BaCa₂(Al₆Si₉)O₃₀·2H₂O | Orthorhombic | — | 2.76 g/cm³ |
| Arrojadite-(BaNa) | BaNa₃(NaCa)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH) | Monoclinic | — | — |
| Arsenogorceixite | BaAl₃(AsO₄)(AsO₃OH)(OH)₆ | Trigonal | — | — |
| Babefphite | BaBePO₄F | Tetragonal | — | 4.33 g/cm³ |
| Bacaferrite | BaCaFe₄O₈ | Trigonal | — | — |
| Bafertisite | Ba₂(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Bainbridgeite-(NdCe) | Na₂Ba₂NdCe(CO₃)₆·3H₂O | Triclinic | — | — |
| Bainbridgeite-(YCe) | Na₂Ba₂YCe(CO₃)₆·3H₂O | Triclinic | — | — |
| Balipholite | BaLiMg₂Al₃(Si₂O₆)₂(OH)₄ | Orthorhombic | — | — |
| Banalsite | Na₂BaAl₄Si₄O₁₆ | Orthorhombic | — | 2.95 g/cm³ |
| Baotite | Ba₄Ti₈Si₄O₂₈Cl | — | 6.0 | — |
| Bario-olgite | Na(Na,Sr,Ce)₂Ba(PO₄)₂ | Trigonal | — | — |
| Bario-orthojoaquinite | (Ba,Sr)₄Fe₂Ti₂[Si₄O₁₂]₂O₂ * H₂O | Orthorhombic | — | — |
| Barioferrite | BaFe³⁺₁₂O₁₉ | Hexagonal | — | — |
| Bariolakargiite | BaZrO₃ | Cubic | — | 6.15 g/cm³ |
| Barioperovskite | BaTiO₃ | Orthorhombic | — | 5.91 g/cm³ |
| Bariopharmacoalumite | Ba₀.₅Al₄(AsO₄)₃(OH)₄·4H₂O | Cubic | — | — |
| Bariopharmacosiderite | Ba₀.₅Fe³⁺₄(AsO₄)₃(OH)₄ * 5H₂O | Tetragonal | — | — |
| Bariosincosite | Ba(VO)₂(PO₄)₂ · 4H₂O | — | — | — |
| Barylite | BaBe₂Si₂O₇ | Orthorhombic | — | 4.02 g/cm³ |
| Baryte | BaSO₄ | Orthorhombic | — | 4.42 g/cm³ |
| Barytocalcite | BaCa(CO₃)₂ | Monoclinic | — | — |
| Barytolamprophyllite | (BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Batiferrite | BaTi₂Fe³⁺₈Fe²⁺₂O₁₉ | Hexagonal | — | — |
| Batisite | BaNaNaTi₂(Si₄O₁₂)O₂ | — | — | — |
| Batisivite | BaTi₆(V,Cr)₈(Si₂O₇)O₂₂ | Triclinic | — | — |
| Baumoite | BaU₃Mo₂O₁₆(H₂O)₆ | Monoclinic | — | — |
| Bauranoite | BaU₂O₇·(4-5)H₂O | — | 5.0 | — |
| Bavsiite | Ba₂V₂O₂[Si₄O₁₂] | Tetragonal | — | — |
| Bayanoboite-(Y) | Ba₂Y(CO₃)₂F₃ | Orthorhombic | — | 4.43 g/cm³ |
| Bazirite | BaZr(Si₃O₉) | Hexagonal | — | — |
| Belkovite | Ba₃(Nb,Ti)₆(Si₂O₇)₂O₁₂ | Hexagonal | — | — |
| Bellbergite | (K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄(Si,Al)₃₆O₇₂·30H₂O | Hexagonal | — | — |
| Bergenite | Ca₂Ba₄(UO₂)₉O₆(PO₄)₆·16H₂O | Monoclinic | — | — |
| Bigcreekite | BaSi₂O₅·4H₂O | Orthorhombic | — | — |
| Bjarebyite | (Ba,Sr)(Mn²⁺,Fe²⁺,Mg)₂Al₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Bobshannonite | KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂ | Triclinic | — | — |
| Bornemanite | Na₆(Na☐)Ba₂Ti₂Nb₂(Si₂O₇)₄(PO₄)₂O₄(OH)₂F₂ | Triclinic | — | — |
| Brewsterite-Ba | Ba(Al₂Si₆)O₁₆·5H₂O | Monoclinic | — | — |
| Burbankite | (Na,Ca)₃(Sr,Ba,Ce)₃(CO₃)₅ | Hexagonal | — | — |
| Bussenite | Ba₄(Na,☐)₂(Fe²⁺,Na)₂Ti₂(Si₂O₇)₂(CO₃)₂O₂(OH)₂(H₂O)₂F₂ | Triclinic | — | — |
| Byelorussite-(Ce) | NaBa₂Ce₂MnTi₂[Si₄O₁₂]₂O₂(F,OH)·H₂O | Orthorhombic | — | — |
| Bykovaite | (Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂·3.5H₂O | Monoclinic | — | — |
| Byzantievite | Ba₅(Ca,REE,Y)₂₂(Ti,Nb)₁₈(SiO₄)₄[(PO₄),(SiO₄)]₄(BO₃)₉O₂₂[(OH),F]₄₃·₁.₅H₂O | Trigonal | — | — |
| Calciouranoite | (Ca,Ba,Pb,K,Na)U₂O₇·5H₂O | Triclinic | 4.0 | — |
| Canosioite | Ba₂Fe³⁺(AsO₄)₂(OH) | Monoclinic | — | — |
| Cappelenite-(Y) | Ba(Y,Ce)₆Si₃B₆O₂₄F₂ | — | — | — |
| Carbocernaite | (Ca,Na)(Sr,Ce,Ba)(CO₃)₂ | Orthorhombic | 3.0 | — |
| Cebaite-(Ce) | Ba₃Ce₂(CO₃)₅F₂ | Monoclinic | — | — |
| Celsian | BaAl₂Si₂O₈ | Monoclinic | — | 3.34 g/cm³ |
| Cerchiaraite-(Al) | Ba₄Al₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄] | Tetragonal | — | — |
| Cerchiaraite-(Fe) | Ba₄Fe³⁺₄(Si₄O₁₂)O₂(OH)₄Cl₂[Si₂O₃(OH)₄] | Tetragonal | — | — |