- Home
- Crystal systems
- Monoclinic
Monoclinic crystal system
1,774 minerals
| Mineral | Chemical formula | Mohs hardness | Density |
|---|---|---|---|
| Bergslagite | CaBeAsO₄(OH) | — | — |
| Bernardite | TlAs₅S₈ | — | — |
| Bernwoodite | Ca₅TiAl₂Si₂O₁₄ | — | — |
| Berryite | Cu₃Ag₂Pb₃Bi₇S₁₆ | — | 6.71 g/cm³ |
| Beryllonite | NaBePO₄ | — | 2.71 g/cm³ |
| Beshtauite | (NH₄)₂(UO₂)(SO₄)₂·2H₂O | — | — |
| Betpakdalite-CaCa | [Ca₂(H₂O)₁₇Ca(H₂O)₆][Mo₆+₈As₅+₂Fe³⁺₃O₃₆(OH)] | — | — |
| Betpakdalite-CaMg | [Ca₂(H₂O)₁₇Mg(H₂O)₆][Mo⁶⁺₈As⁵⁺₂Fe³⁺₃O₃₆(OH)] | — | — |
| Betpakdalite-FeFe | [Fe³⁺₂ (H₂O)₁₅(OH)₂Fe³⁺(H₂O)₆][Mo₈As₂Fe³⁺₃ O₃₇] | — | — |
| Betpakdalite-NaNa | [Na₂(H₂O)₁₆Na(H₂O)₆][Mo⁶⁺₈As⁵⁺₂Fe³⁺₃O₃₃(OH)₄] | — | — |
| Bettertonite | Al₆(AsO₄)₃(OH)₉·16H₂O | — | — |
| Beusite-(Ca) | CaMn²⁺₂(PO₄)₂ | — | — |
| Biagioniite | — | — | — |
| Bianchite | Zn(SO₄)(H₂O)₆ | — | — |
| Bieberite | CoSO₄·7H₂O | 2.0 | — |
| Biehlite | ((Sb,As)O)₂[MoO₄] | — | 5.23 g/cm³ |
| Bijvoetite-(Y) | Y₈(UO₂)₁₆(CO₃)₁₆O₈(OH)₈·39H₂O | — | — |
| Billwiseite | Sb³⁺₅Nb₃WO₁₈ | — | — |
| Bimbowrieite | — | — | — |
| Biraite-(Ce) | Ce₂Fe²⁺(Si₂O₇)(CO₃) | — | — |
| Biraite-(La) | — | — | — |
| Biringuccite | Na₂B₅O₈(OH)·H₂O | — | — |
| Bischofite | MgCl₂·6H₂O | — | — |
| Bismite | Bi₂O₃ | 4.5 | — |
| Bjarebyite | (Ba,Sr)(Mn²⁺,Fe²⁺,Mg)₂Al₂(PO₄)₃(OH)₃ | — | — |
| Bluelizardite | Na₇(UO₂)(SO₄)₄Cl(H₂O)₂ | — | — |
| Blueridgeite | Pb₈Zn₃Cu²⁺(OH)₁₆](SO₄)₂(S₂O₃)₂·2H₂O | — | — |
| Bluestreakite | K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O | 2.0 | — |
| Bobfergusonite | Na₂Mn₅FeAl(PO₄)₆ | — | — |
| Bodieite | Bi₂(TeO₃)₂(SO₄) | — | — |
| Bokite | (Al,Fe)₁.₃(V⁵⁺,V⁴⁺,Fe³⁺)₈O₂₀·7.5H₂O | — | — |
| Boltwoodite | (K,Na)(UO₂)(SiO₃OH)·1.5H₂O | — | — |
| Bonacinaite | Sc(AsO₄)·2H₂O | — | — |
| Bonattite | — | — | — |
| Bonazziite | As₄S₄ | — | — |
| Bonshtedtite | Na₃Fe²⁺(CO₃)(PO₄) | — | — |
| Boothite | CuSO₄·7H₂O | — | — |
| Boralsilite | Al₁₆B₆Si₂O₃₇ | — | — |
| Borisenkoite | Cu₃[(V,As)O₄]₂ | — | — |
| Botryogen | MgFe³⁺(SO₄)₂(OH)·7H₂O | — | — |
| Bouazzerite | Bi₆(Mg,Co)₁₁Fe₁₄(AsO₄)₁₈O₁₂(OH)₄·86H₂O | — | — |
| Boulangerite | Pb₅Sb₄S₁₁ | 2.8 | — |
| Brackebuschite | Pb₂Mn³⁺(VO₄)₂(OH) | — | — |
| Bradaczekite | NaCu₄(AsO₄)₃ | 3.0 | 4.55 g/cm³ |
| Bradleyite | Na₃Mg(CO₃)(PO₄) | — | 2.79 g/cm³ |
| Brannerite | UTi₂O₆ | — | — |
| Braunerite | K₂Ca(UO₂)(CO₃)₃·6H₂O | — | — |
| Brazilianite | NaAl₃(PO₄)₂(OH)₄ | 5.5 | — |
| Brewsterite-Ba | Ba(Al₂Si₆)O₁₆·5H₂O | — | — |
| Brewsterite-Sr | Sr(Al₂Si₆)O₁₆·5H₂O | — | — |
| Brezinaite | Cr₃S₄ | — | — |
| Brianite | Na₂CaMg(PO₄)₂ | — | 3.05 g/cm³ |
| Brianroulstonite | Ca₃[B₅O₆(OH)₆](OH)Cl₂·8H₂O | — | — |
| Brianyoungite | Zn₃(CO₃,SO₄)(OH)₄ | — | — |
| Bridgesite-(Ce) | — | — | — |
| Brindleyite | (Ni,Al)₃(Si,Al)₂O₅(OH)₄ | — | — |
| Brochantite | Cu₄SO₄(OH)₆ | — | — |
| Brodtkorbite | Cu₂HgSe₂ | — | 7.77 g/cm³ |
| Brumadoite | Cu₃(Te⁶⁺O₄)(OH)₄·5H₂O | — | — |
| Brushite | Ca(PO₃OH)·2H₂O | 2.5 | — |
| Brusnitsynite | Mn₃CuPbAs₃Sb₂S₁₂ | — | — |
| Brüggenite | Ca(IO₃)₂·H₂O | 3.5 | — |
| Buddingtonite | (NH₄)AlSi₃O₈ | 5.5 | — |
| Burangaite | NaFe²⁺Al₅(PO₄)₄(OH)₆·2H₂O | — | — |
| Burgessite | Co₂(H₂O)₄[AsO₃(OH)]₂(H₂O) | — | — |
| Burnettite | CaVAlSiO₆ | — | — |
| Burovaite-Ca | (Na,K)₄Ca₂(Ti,Nb)₈[Si₄O₁₂]₄(OH,O)₈·12H₂O | — | — |
| Burpalite | Na₂CaZr(Si₂O₇)F₂ | — | — |
| Bussyite-(Ce) | (Ce,REE)₃(Na,H₂O)₆MnSi₉Be₅(O,OH)₃₀F₄ | — | — |
| Bussyite-(Y) | (Y,REE)₃(Na,H₂O)₆MnSi₉Be₅(O,OH)₃₀F₄ | — | — |
| Buynite | TlPb₁₄As₁₇S₄₀ | — | — |
| Bykovaite | (Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂·3.5H₂O | — | — |
| Bílinite | — | 2.0 | — |
| Bøggildite | Na₂Sr₂Al₂(PO₄)F₉ | — | 3.52 g/cm³ |
| Bøgvadite | — | — | — |
| Cabalzarite | CaMg₂(AsO₄)₂·2H₂O | — | — |
| Cabrerite | NiMg₂(AsO₄)₂·8H₂O | — | — |
| Cadsulfohite | Cd₂(SO₄)(OH)₂ | — | 4.55 g/cm³ |
| Cadvanite | Cd(VO₃)₂ | — | 4.80 g/cm³ |
| Cafetite | CaTi₂O₅·H₂O | — | — |