Minerals containing boron
290 minerals
Boron — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Fredrikssonite | Mg₂Mn³⁺O₂(BO₃) | Orthorhombic | 6.0 | — |
| Frolovite | Ca[B(OH)₄]₂ | Triclinic | — | — |
| Garrelsite | Ba₃NaSi₂B₇O₁₆(OH)₄ | Monoclinic | — | — |
| Ginorite | Ca₂B₁₄O₂₀(OH)₆·5H₂O | Monoclinic | — | — |
| Gowerite | Ca[B₅O₈(OH)][B(OH)₃]·3H₂O | Monoclinic | — | — |
| Grandidierite | (Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂ | Orthorhombic | — | — |
| Guastoniite-(Y) | Pb₄(YCa)(Si₈B₄O₂₈)F | Triclinic | — | — |
| Halurgite | Mg₄[B₈O₁₃(OH)₂]₂·7H₂O | — | — | — |
| Hambergite | Be₂BO₃(OH) | Orthorhombic | 7.5 | 2.38 g/cm³ |
| Harkerite | Ca₄₈Mg₁₆[AlSi₄O₁₅(OH)]₄(BO₃)₁₆(CO₃)₁₆·2(H₂O,HCl) | Trigonal | — | — |
| Heidornite | Na₂Ca₃B₅O₈(SO₄)₂Cl(OH)₂ | Monoclinic | — | — |
| Hellandite-(Ce) | (Ca,REE)₄Ce₂Al☐₂(B₄Si₄O₂₂) (OH)₂ | — | — | — |
| Hellandite-(Y) | (Ca,REE)₄Y₂Al☐₂(B₄Si₄O₂₂) (OH)₂ | — | — | — |
| Holtite | (Ta₀.₆☐₀.₄)Al₆BSi₃O₁₈ | — | — | — |
| Homilite | Ca₂Fe²⁺B₂Si₂O₁₀ | — | — | — |
| Hongheite | Ca₁₉Fe²⁺Al₄(Fe³⁺,Mg,Al)₈(☐,B)₄BSi₁₈O₆₉(O,OH)₉ | Tetragonal | — | — |
| Howlite | Ca₂B₅SiO₉(OH)₅ | Monoclinic | — | — |
| Hulsite | Fe²⁺₂Fe³⁺O₂(BO₃) | Monoclinic | 3.0 | — |
| Hundholmenite-(Y) | (Y,REE,Ca,Na)₁₅(Al,Fe³⁺)(CaxAs³⁺₁-x)(Si,As₅+)Si₆B₃(O,F)₄₈ | Trigonal | — | — |
| Hungchaoite | Mg(B₄O₇) * 9H₂O | Triclinic | — | — |
| Hyalotekite | (Pb,Ba,K)₄(Ca,Y)₂(B,Be)₂(Si,B)₂Si₈O₂₈(F,Cl) | Triclinic | — | — |
| Hydroboracite | CaMg[B₃O₄(OH)₃]₂·3H₂O | Monoclinic | — | — |
| Hydrochlorborite | Ca₄B₈O₁₅Cl₂ * 2₁H₂O | Monoclinic | — | — |
| Hydroxylborite | Mg₃(BO₃)(OH)₃ | Hexagonal | — | — |
| Imayoshiite | Ca₃Al(CO₃)[B(OH)₄](OH)₆·12H₂O | Hexagonal | — | — |
| Inderborite | CaMg[B₃O₃(OH)₅]₂(H₂O)₄·2H₂O | Monoclinic | — | — |
| Inderite | MgB₃O₃(OH)₅·5H₂O | Monoclinic | — | — |
| Inyoite | CaB₃O₃(OH)₅(H₂O)₃·H₂O | Monoclinic | 2.0 | — |
| Iquiqueite | K₃Na₄Mg(CrO₄)B₂₄O₃₉(OH)·12H₂O | Hexagonal | — | — |
| Itsiite | Ba₂Ca(BSi₂O₇)₂ | Tetragonal | — | 3.51 g/cm³ |
| Jacquesdietrichite | Cu₂(H₂BO₃)(OH)₃ | Orthorhombic | 2.0 | — |
| Jadarite | LiNaB₃SiO₇(OH) | Monoclinic | — | 2.37 g/cm³ |
| Jarandolite | CaB₃O₄(OH)₃ | Monoclinic | — | 2.48 g/cm³ |
| Jeremejevite | Al₆(BO₃)₅F₃ | Hexagonal | — | 3.18 g/cm³ |
| Jimboite | Mn²⁺₃[BO₃]₂ | Orthorhombic | 5.5 | — |
| Jingsuiite | TiB₂ | Hexagonal | — | 4.51 g/cm³ |
| Johachidolite | CaAlB₃O₇ | Orthorhombic | — | — |
| Kalborsite | K₆Al₄BSi₆O₂₀(OH)₄Cl | Tetragonal | — | — |
| Kaliborite | HKMg₂B₁₂O₁₆(OH)₁₀·4H₂O | Monoclinic | — | — |
| Kapitsaite-(Y) | (Ba,K,Pb)₄(Y,Ca)₂Si₈(B,Si)₄O₂₈F | Triclinic | — | — |
| Karlite | Mg₇(BO₃)₃(OH,Cl)₅ | Orthorhombic | 5.5 | — |
| Kasatkinite | Ba₂Ca₈B₅Si₈O₃₂(OH)₃·6H₂O | Monoclinic | — | — |
| Kernite | Na₂B₄O₆(OH)₂·3H₂O | Monoclinic | — | — |
| Khvorovite | (Pb,Ba,K)₄Ca₂[Si₈B₂(Si,B)₂O₂₈]F | Triclinic | — | — |
| Kirchhoffite | CsBSi₂O₆ | Tetragonal | — | 3.46 g/cm³ |
| Knasibfite | K₃Na₄(SiF₆)₃(BF₄) | Orthorhombic | — | — |
| Kornerupine | Mg₃Al₆(Si,Al,B)₅O₂₁(OH) | Orthorhombic | — | — |
| Korzhinskite | Ca(B₂O₄) * H₂O | Monoclinic | — | — |
| Kotoite | Mg₃(BO₃)₂ | Orthorhombic | 6.5 | 3.11 g/cm³ |
| Krasnoshteinite | Al₈[B₂O₄(OH)₂](OH)₁₆Cl₄*₇H₂O | — | — | — |
| Kurchatovite | Ca(Mg,Mn²⁺)[B₂O₅] | Orthorhombic | — | — |
| Kurgantaite | CaSr[B₅O₉]Cl·H₂O | Triclinic | — | — |
| Kurnakovite | Mg[B₃O₃(OH)₅](H₂O)₄·H₂O | Triclinic | — | — |
| Laptevite-(Ce) | NaFe²⁺(REE₇Ca₅Y₃)(SiO₄)₄(Si₃B₂PO₁₈)(BO₃)F₁₁ | Trigonal | — | — |
| Larderellite | NH₄B₅O₇(OH)₂·H₂O | Monoclinic | — | — |
| Leucosphenite | BaNa₄Ti₂B₂Si₁₀O₃₀ | Monoclinic | — | — |
| Leucostaurite | Pb₂[B₅O₉]Cl·0.5H₂O | Orthorhombic | — | — |
| Lisitsynite | KBSi₂O₆ | Orthorhombic | — | 2.63 g/cm³ |
| Londonite | CsBe₅Al₄B₁₁O₂₈ | Cubic | — | — |
| Lucchesiite | CaFe²⁺₃ Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Ludwigite | Mg₂Fe³⁺O₂(BO₃) | Orthorhombic | 5.5 | — |
| Luinaite-(OH) | (Na,☐)(Fe²⁺,Mg)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄ | Monoclinic | — | — |
| Lüneburgite | Mg₃[B₂(OH)₆(PO₄)₂]·6H₂O | Triclinic | 2.0 | — |
| Magnesio-dutrowite | Na(Mg₂.₅Ti₀.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | — | — |
| Magnesio-foitite | (☐,Na)(Mg₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Magnesio-lucchesiite | CaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | — | — |
| Magnesiodumortierite | MgAl₆BSi₃O₁₇(OH) | — | — | — |
| Magnesiohulsite | Mg₂Fe³⁺O₂(BO₃) | Monoclinic | — | — |
| Maleevite | BaB₂Si₂O₈ | Orthorhombic | — | 3.62 g/cm³ |
| Malinkoite | NaBSiO₄ | Hexagonal | 7.0 | 2.96 g/cm³ |
| Manandonite | Li₂Al₄(Si₂AlB)O₁₀(OH)₈ | Orthorhombic | 2.5 | — |
| Marinaite | Cu₂Fe³⁺O₂(BO₃) | Monoclinic | — | — |
| Martinite | (Na,☐,Ca)₁₂Ca₄(Si,S,B)₁₄B₂O₃₈(OH,Cl)₂F₂·4H₂O | Triclinic | 4.0 | — |
| Maruyamaite | K(MgAl₂)(Al₅Mg)(BO₃)₃(Si₆O₁₈)(OH)₃O | Trigonal | 7.0 | — |
| Mcallisterite | Mg₂[B₆O₇(OH)₆]₂ * 9H₂O | Trigonal | — | — |
| Melanocerite-(Ce) | Ce₅(SiO₄,BO₄)₃(OH,O) | — | — | — |
| Mengxianminite | (Ca,Na)₂Sn₂(Mg,Fe)₃Al₈[(BO₃)(BeO₄)O₆]₂ | Orthorhombic | — | — |
| Mereheadite | Pb₄₇Cl₂₅(OH)₁₃O₂₄(CO₃)(BO₃)₂ | Monoclinic | 3.5 | — |
| Metaborite | HBO₂ | Cubic | — | 2.10 g/cm³ |
| Meyerhofferite | CaB₃O₃(OH)₅·H₂O | Triclinic | — | — |