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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Bromargyrite | AgBr | Cubic | — | 6.44 g/cm³ |
| Brontesite | (NH₄)₃PbCl₅ | Orthorhombic | — | — |
| Browneite | MnS | Cubic | — | 4.19 g/cm³ |
| Brownleeite | MnSi | Cubic | — | — |
| Brownmillerite | Ca₂(Al,Fe³⁺)₂O₅ | Orthorhombic | — | — |
| Brumadoite | Cu₃(Te⁶⁺O₄)(OH)₄·5H₂O | Monoclinic | — | — |
| Brunovskyite | NaZrSi₂O₆(OH) | Triclinic | — | — |
| Brusnitsynite | Mn₃CuPbAs₃Sb₂S₁₂ | Monoclinic | — | — |
| Brüggenite | Ca(IO₃)₂·H₂O | Monoclinic | 3.5 | — |
| Bubnovaite | K₂Na₈Ca(SO₄)₆ | Trigonal | — | — |
| Buchwaldite | NaCa(PO₄) | Orthorhombic | — | 3.02 g/cm³ |
| Buckhornite | (Pb₂BiS₃)(AuTe₂) | Orthorhombic | — | — |
| Buddingtonite | (NH₄)AlSi₃O₈ | Monoclinic | 5.5 | — |
| Bukovite | Cu₄Tl₂Se₄ | Tetragonal | — | — |
| Bukovskýite | — | Triclinic | — | — |
| Bulachite | [Al₆(AsO₄)₃(OH)₉(H₂O)₄]·2H₂O | — | — | — |
| Bulgakite | Li₂(Ca,Na)Fe²⁺₇Ti₂(Si₄O₁₂)₂O₂(OH)₄(F,O)(H₂O)₂ | Triclinic | — | — |
| Bunnoite | Mn²⁺₆AlSi₆O₁₈(OH)₃ | Triclinic | — | — |
| Burangaite | NaFe²⁺Al₅(PO₄)₄(OH)₆·2H₂O | Monoclinic | — | — |
| Burckhardtite | Pb₂(Fe³⁺Te⁶⁺)(AlSi₃O₈)O₆ | — | — | — |
| Burgessite | Co₂(H₂O)₄[AsO₃(OH)]₂(H₂O) | Monoclinic | — | — |
| Burnettite | CaVAlSiO₆ | Monoclinic | — | — |
| Burnsite | — | — | — | — |
| Burovaite-Ca | (Na,K)₄Ca₂(Ti,Nb)₈[Si₄O₁₂]₄(OH,O)₈·12H₂O | Monoclinic | — | — |
| Burpalite | Na₂CaZr(Si₂O₇)F₂ | Monoclinic | — | — |
| Burroite | Ca₂(NH₄)₂(V₁₀O₂₈)·15H₂O | Triclinic | — | — |
| Burtite | Ca[Sn(OH)₆] | Cubic | — | — |
| Buryatite | Ca₃(Si,Fe,Al)(SO₄)[B(OH)₄]O(OH)₅·12H₂O | Trigonal | — | — |
| Buseckite | (Fe,Zn,Mn)S | Hexagonal | — | — |
| Buserite | Na₄Mn₁₄O₂₇·21H₂O (?) | — | — | — |
| Bushmakinite | Pb₂Al(PO₄)(VO₄)(OH) | — | — | — |
| Bussyite-(Ce) | (Ce,REE)₃(Na,H₂O)₆MnSi₉Be₅(O,OH)₃₀F₄ | Monoclinic | — | — |
| Bussyite-(Y) | (Y,REE)₃(Na,H₂O)₆MnSi₉Be₅(O,OH)₃₀F₄ | Monoclinic | — | — |
| Butianite | Ni₆SnS₂ | Tetragonal | — | — |
| Buynite | TlPb₁₄As₁₇S₄₀ | Monoclinic | — | — |
| 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 | — | — |
| Byrudite | (Be,□)(V³⁺,Ti)₃O₆ | Orthorhombic | — | — |
| Bystrite | (Na,K)₇Ca(Al₆Si₆O₂₄)(S₅)Cl | Trigonal | — | — |
| Bytízite | — | Orthorhombic | — | — |
| Byzantievite | Ba₅(Ca,REE,Y)₂₂(Ti,Nb)₁₈(SiO₄)₄[(PO₄),(SiO₄)]₄(BO₃)₉O₂₂[(OH),F]₄₃·₁.₅H₂O | Trigonal | — | — |
| Bøgvadite | — | Monoclinic | — | — |
| Běhounekite | U(SO₄)₂(H₂O)₄ | Orthorhombic | — | — |
| Cabalzarite | CaMg₂(AsO₄)₂·2H₂O | Monoclinic | — | — |
| Cabrerite | NiMg₂(AsO₄)₂·8H₂O | Monoclinic | — | — |
| Cabriite | Pd₂CuSn | Orthorhombic | — | — |
| Cabvinite | Th₂F₇(OH)·3H₂O | Tetragonal | — | — |
| Cadmium (native) | — | Hexagonal | — | — |
| Cadmoindite | CdIn₂S₄ | Cubic | 4.0 | 4.79 g/cm³ |
| Cadsulfohite | Cd₂(SO₄)(OH)₂ | Monoclinic | — | 4.55 g/cm³ |
| Cadvanite | Cd(VO₃)₂ | Monoclinic | — | 4.80 g/cm³ |
| Caesiumpharmacosiderite | CsFe₄[(AsO₄)₃(OH)₄]·4H₂O | Cubic | — | — |
| Cafarsite | Ca₅.₉Mn₁.₇Fe₃Ti₃(AsO₃)₁₂ * 4-₅H₂O | Cubic | — | — |
| Cafeosite | Ca₄Fe²⁺₃Fe³⁺₂◻O₆S₄ | Orthorhombic | — | — |
| Cafetite | CaTi₂O₅·H₂O | Monoclinic | — | — |
| Cairncrossite | Sr₂Ca₇(Si₄O₁₀)₄(OH)₂·15H₂O | Triclinic | — | — |
| Calamaite | Na₂TiO(SO₄)₂*₂H₂O | Orthorhombic | — | — |
| Calcinaksite | KNaCa(Si₄O₁₀)·H₂O | Triclinic | — | — |
| Calcioaravaipaite | PbCa₂AlF₉ | Triclinic | — | 4.48 g/cm³ |
| Calcioburbankite | Na₃(Ca,Ce,Sr,La)₃(CO₃)₅ | Hexagonal | — | — |
| Calciocopiapite | CaFe³⁺₄(SO₄)₆(OH)₂·20H₂O | — | — | — |
| Calciodelrioite | Ca(VO₃)₂·4H₂O | Monoclinic | — | — |
| Calciohatertite | — | Monoclinic | — | — |
| Calciohilairite | CaZrSi₃O₉·3H₂O | — | — | — |
| Calciojohillerite | NaCaMg₃(AsO₄)₃ | Monoclinic | — | — |
| Calciolangbeinite | K₂Ca₂(SO₄)₃ | Cubic | — | 2.73 g/cm³ |
| Calciopetersite | CaCu₆(PO₄)₂(PO₃OH)(OH)₆·3H₂O | Hexagonal | — | — |
| Calciopharmacoalumite | Ca₀,₅Al₄(AsO₄)₃(OH)₄·5H₂O | Cubic | — | — |
| Calciotantite | CaTa₄O₁₁ | Hexagonal | — | 7.55 g/cm³ |
| Calciouranoite | (Ca,Ba,Pb,K,Na)U₂O₇·5H₂O | Triclinic | 4.0 | — |
| Calcioveatchite | SrCaB₁₁O₁₆(OH)₅·5H₂O | Monoclinic | — | — |
| Calcjarlite | NaCa₃Al₃F₁₆ | Monoclinic | — | — |
| Calcurmolite | (Ca,Na)₂(UO₂)₃Mo₂(O,OH)₁₁ * nH₂O | — | — | — |
| Calderónite | — | — | — | — |
| Calvertite | Cu₅Ge₀.₅S₄ | Cubic | — | 5.24 g/cm³ |
| Calzirtite | Ca₂Zr₅Ti₂O₁₆ | Orthorhombic | — | 4.84 g/cm³ |
| Camanchacaite | NaCaMg₂[AsO₄][AsO₃(OH)]₂ | Monoclinic | — | — |
| Camaronesite | Fe³⁺₂(PO₃OH)₂(SO₄)(H₂O)₄·1-2H₂O | Trigonal | — | — |
| Cameronite | Cu₅₋ₓ (Cu,Ag)₃₊ₓTe₁₀(with x=0.43) | Tetragonal | — | — |
| Camgasite | CaMg(AsO₄)(OH)·5H₂O | Monoclinic | — | — |