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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Biringuccite | Na₂B₅O₈(OH)·H₂O | Monoclinic | — | — |
| Bismutocolumbite | BiNbO₄ | — | — | 7.16 g/cm³ |
| Bismutohauchecornite | Ni₉Bi₂S₈ | Tetragonal | — | — |
| Bityite | LiCaAl₂(AlBeSi₂O₁₀)(OH)₂ | — | — | — |
| Bjarebyite | (Ba,Sr)(Mn²⁺,Fe²⁺,Mg)₂Al₂(PO₄)₃(OH)₃ | Monoclinic | — | — |
| Blatonite | (UO₂)CO₃·H₂O | Hexagonal | — | — |
| Blatterite | Sb⁵⁺₃Mn³⁺₉Mn²⁺₃₅O₃₂(BO₃)₁₆ | Orthorhombic | — | — |
| Bleasdaleite | (Ca,Fe³⁺)₂Cu₅(Bi,Cu)(PO₄)₄(H₂O,OH,Cl)₁₃ | — | — | — |
| Blixite | Pb₂(O,OH)₂Cl | — | — | — |
| Blossite | — | Orthorhombic | — | — |
| Bluebellite | Cu₆(IO₃)(OH)₁₀Cl | Trigonal | — | — |
| Bluelizardite | Na₇(UO₂)(SO₄)₄Cl(H₂O)₂ | Monoclinic | — | — |
| Blueridgeite | Pb₈Zn₃Cu²⁺(OH)₁₆](SO₄)₂(S₂O₃)₂·2H₂O | Monoclinic | — | — |
| Bluestreakite | K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O | Monoclinic | 2.0 | — |
| Blödite | Na₂Mg(SO₄)₂·4H₂O | — | — | — |
| Bobcookite | NaAl(UO₂)₂(SO₄)₄·18H₂O | Triclinic | — | — |
| Bobfergusonite | Na₂Mn₅FeAl(PO₄)₆ | Monoclinic | — | — |
| Bobfinchite | — | Orthorhombic | — | — |
| Bobkingite | Cu₅Cl₂(OH)₈·2H₂O | — | 3.0 | — |
| Bobmeyerite | Pb₄(Al₃Cu)(Si₄O₁₂)(S₀.₅Si₀.₅O₄)(OH)₇Cl(H₂O)₃ | Orthorhombic | — | — |
| Bobtraillite | (Na,Ca)₁₃Sr₁₁(Zr,Y,Nb)₁₄(Si₃O₉)₁₀(H₂BSi₂O₉)₆·12H₂O | — | — | — |
| Bodieite | Bi₂(TeO₃)₂(SO₄) | Monoclinic | — | — |
| Boevskite | Pb₄(TeO₃)₂(SO₄)(S₂O₃) | Orthorhombic | — | — |
| Bogdanovite | — | Cubic | — | 13.72 g/cm³ |
| Boggsite | Na₃Ca₈(Si₇₇Al₁₉)O₁₉₂·70H₂O | Orthorhombic | — | — |
| Bohuslavite | Fe³⁺₄(PO₄)₃(SO₄)(OH)·nH₂O | Triclinic | — | — |
| Bojarite | — | Cubic | — | — |
| Bokite | (Al,Fe)₁.₃(V⁵⁺,V⁴⁺,Fe³⁺)₈O₂₀·7.5H₂O | Monoclinic | — | — |
| Bonaccordite | Ni₂Fe³⁺O₂(BO₃) | Orthorhombic | 7.0 | — |
| Bonaccorsiite | KK₂Na₃(Al₆Si₃₆)O₈₄ | Hexagonal | — | — |
| Bonacinaite | Sc(AsO₄)·2H₂O | Monoclinic | — | — |
| Bonazziite | As₄S₄ | Monoclinic | — | — |
| Bonshtedtite | Na₃Fe²⁺(CO₃)(PO₄) | Monoclinic | — | — |
| Boralsilite | Al₁₆B₆Si₂O₃₇ | Monoclinic | — | — |
| Borcarite | Ca₄Mg(B₄O₆(OH)₆)(CO₃)₂ | Triclinic | — | — |
| Borisenkoite | Cu₃[(V,As)O₄]₂ | Monoclinic | — | — |
| Bornite | Cu₅FeS₄ | Orthorhombic | 3.0 | 5.10 g/cm³ |
| Borocookeite | Li₁+₃xAl₄-x(BSi₃O₁₀)(OH)₈ | — | — | — |
| Borodaevite | Ag₅(Bi,Pb,Fe)₈(Sb,Bi)₂S₁₇ | — | — | — |
| Boromullite | Al₉BSi₂O₁₉ | Orthorhombic | — | — |
| Boromuscovite | KAl₂(BSi₃O₁₀)(OH)₂ | — | — | — |
| Borovskite | Pd₃SbTe₄ | — | — | — |
| Bortnikovite | Pd₄Cu₃Zn | Tetragonal | — | — |
| Borzęckiite | Pb(UO₂)₃(SeO₃)₂O₂·3H₂O | — | — | — |
| Boscardinite | TlPb₄(Sb₇As₂)S₁₈ | Triclinic | — | — |
| Bosiite | NaFe³⁺₃(Al₄Mg₂)(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Bosoite | SiO₂·nCₓH₂ₓ₊₂ | Hexagonal | — | — |
| Bostwickite | CaMn₆Si₃O₁₆·7H₂O | Orthorhombic | — | — |
| Bottinoite | NiSb⁵⁺₂(OH)₁₂·6H₂O | — | 3.0 | — |
| Botuobinskite | — | Trigonal | — | — |
| Bouazzerite | Bi₆(Mg,Co)₁₁Fe₁₄(AsO₄)₁₈O₁₂(OH)₄·86H₂O | Monoclinic | — | — |
| Bowieite | — | Orthorhombic | — | — |
| Bowlesite | — | Orthorhombic | — | — |
| Braccoite | NaMn²⁺₅[Si₅O₁₄(OH)](AsO₃)(OH) | Triclinic | — | — |
| Bracewellite | CrO(OH) | — | — | 4.05 g/cm³ |
| Bradaczekite | NaCu₄(AsO₄)₃ | Monoclinic | 3.0 | 4.55 g/cm³ |
| Braithwaiteite | NaCu²⁺₅(Sb⁵⁺Ti⁴⁺)O₂(AsO₄)₄[AsO₃(OH)]₂·8H₂O | Triclinic | — | — |
| Brandholzite | MgSb₂(OH)₁₂·6H₂O | Trigonal | — | — |
| Brandãoite | BeAl₂(PO₄)₂(OH)₂(H₂O)₅ | Triclinic | — | — |
| Brannerite | UTi₂O₆ | Monoclinic | — | — |
| Brannockite | (K,Na)☐₂Li₃(Sn,Zr,Ti)₂[Si₁₂O₃₀] | — | — | — |
| Brassite | Mg(AsO₃OH)·4H₂O | Orthorhombic | — | — |
| Braunerite | K₂Ca(UO₂)(CO₃)₃·6H₂O | Monoclinic | — | — |
| Brendelite | — | — | — | 6.83 g/cm³ |
| Brenkite | Ca₂(CO₃)F₂ | Orthorhombic | — | — |
| Brewsterite-Ba | Ba(Al₂Si₆)O₁₆·5H₂O | Monoclinic | — | — |
| Breyite | Ca₃Si₃O₉ | Triclinic | — | — |
| Brezinaite | Cr₃S₄ | Monoclinic | — | — |
| Brianite | Na₂CaMg(PO₄)₂ | Monoclinic | — | 3.05 g/cm³ |
| Brianroulstonite | Ca₃[B₅O₆(OH)₆](OH)Cl₂·8H₂O | Monoclinic | — | — |
| Brianyoungite | Zn₃(CO₃,SO₄)(OH)₄ | Monoclinic | — | — |
| Briartite | Cu₂FeGeS₄ | Tetragonal | 4.5 | — |
| Bridgesite-(Ce) | — | Monoclinic | — | — |
| Bridgmanite | MgSiO₃ | Orthorhombic | — | — |
| Brindleyite | (Ni,Al)₃(Si,Al)₂O₅(OH)₄ | Monoclinic | — | — |
| Brinrobertsite | Na₀.₃Al₄(Si₄O₁₀)₂(OH)₄·3.5H₂O | — | — | — |
| Britvinite | Pb₁₄Mg₉(Si₁₀O₂₈)(BO₃)₄(CO₃)₂(OH)₁₂F₂ | Triclinic | — | — |
| Brochantite | Cu₄SO₄(OH)₆ | Monoclinic | — | — |
| Brockite | (Ca,Th,Ce)PO₄·H₂O | Hexagonal | — | — |
| Brodtkorbite | Cu₂HgSe₂ | Monoclinic | — | 7.77 g/cm³ |