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Monoclinic crystal system
1,774 minerals
| Mineral | Chemical formula | Mohs hardness | Density |
|---|---|---|---|
| Dmisokolovite | K₃Cu₅AlO₂(AsO₄)₄ | — | — |
| Dmitrievite | Sb₄Cl₂O₅ | — | — |
| Dmitryivanovite | CaAl₂O₄ | — | — |
| Dobšináite | Ca₂Ca(AsO₄)₂·2H₂O | — | — |
| Dolerophanite | Cu₂O(SO₄) | 3.0 | — |
| Dollaseite-(Ce) | {CaCe}{MgAlMg}(Si₂O₇)(SiO₄)(OH)F | — | — |
| Doloresite | V⁴⁺₃O₄(OH)₄ | — | — |
| Domitrovicite | Zn(C₂H₃O₃)₂·2H₂O | — | — |
| Donharrisite | Ni₃HgS₃ | — | — |
| Downsite | K₂(MoO₃)₃(SO₄)·4H₂O | — | — |
| Doyleite | Al(OH)₃ | — | — |
| Dravertite | CuMg(SO₄)₂ | 3.5 | — |
| Drobecite | Cd(SO₄)·4H₂O | — | — |
| Drugmanite | Pb₂(Fe³⁺,Al)(PO₄)(PO₃OH)(OH)₂ | — | — |
| Dufrénite | — | — | — |
| Dufrénoysite | Pb₂As₂S₅ | 3.0 | — |
| Durangite | NaAlAsO₄F | 5.5 | 3.72 g/cm³ |
| Duttonite | V⁴⁺O(OH)₂ | — | — |
| Dwornikite | Ni(SO₄)·H₂O | — | — |
| Dymkovite | Ni(UO₂)₂(As³⁺O₃)₂·7H₂O | — | — |
| Eakerite | Ca₂SnAl₂Si₆O₁₈(OH)₂ * 2H₂O | — | — |
| Earlandite | Ca₃(C₆H₅O₇)₂·4H₂O | — | — |
| Earlshannonite | Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 4H₂O | — | — |
| Eckerite | Ag₂CuAsS₃ | — | — |
| Eckermannite | NaNa₂(Mg₄Al)Si₈O₂₂(OH)₂ | — | — |
| Eckhardite | (Ca,Pb)CuTeO₅(H₂O) | — | — |
| Edenite | NaCa₂Mg₅(Si₇Al)O₂₂(OH)₂ | 5.5 | — |
| Edgarbaileyite | (Hg-Hg)₃Si₂O₇ | — | — |
| Edgrewite | Ca₉(SiO₄)₄F₂ | — | — |
| Edoylerite | — | — | — |
| Edscottite | Fe₅C₂ | — | — |
| Edwardsite | Cu₃Cd₂(SO₄)₂(OH)₆·4H₂O | — | — |
| Ekebergite | ThFeNb₂O₈ | — | — |
| Elasmochloite | Na₃Cu₆BiO₄(SO₄)₅ | — | — |
| Eldfellite | NaFe³⁺(SO₄)₂ | — | — |
| Eleomelanite | (K₂Pb)Cu₄O₂(SO₄)₄ | — | — |
| Eleonorite | Fe³⁺₆(PO₄)₄O(OH)₄·6H₂O | — | — |
| Elgoresyite | — | — | — |
| Eliseevite | Na₁.₅Li{Ti₂O₂[Si₄O₁₀.₅(OH)₁.₅]}·2H₂O | — | — |
| Elkinstantonite | Fe₄(PO₄)₂O | — | — |
| Elliottite | NaMgAl₃(PO₄)₂F₆·9H₂O | — | — |
| Elramlyite-(Ce) | (□₀.₆₇Ce₀.₃₃)Th₂(PO₄)₂F₃ | — | — |
| Elyite | CuPb₄O₂SO₄(OH)₄·H₂O | 2.0 | — |
| Embreyite | Pb₅(CrO₄)₂(PO₄)₂·H₂O | — | — |
| Emmerichite | Ва₂Ti₂Na₃Fe³⁺(Si₂O₇)₂O₂F₂ | — | — |
| Englishite | K₃Na₂Ca₁₀Al₁₅(PO₄)₂₁(OH)₇·26H₂O | 3.0 | — |
| Enneasartorite | Tl₆Pb₃₂As₇₀S₁₄₀ | — | — |
| Epidote | {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH) | — | — |
| Epidote-(Sr) | CaSr(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH) | — | — |
| Epiebnerite | (NH₄)Zn(PO₄) | — | 2.67 g/cm³ |
| Epifanovite | NaCaCu₅(PO₄)₄[AsO₂(OH)₂]·7H₂O | — | — |
| Epistilbite | Ca₃[Si₁₈Al₆O₄₈]·16H₂O | — | — |
| Ercitite | Na₂Mn³⁺(PO₄)(OH)₂·2H₂O | — | — |
| Erdite | NaFeS₂·2H₂O | — | — |
| Ericssonite | — | — | — |
| Erikapohlite | Cu²⁺₃(Zn,Cu,Mg)₄Ca₂(AsO₄)₆·2H₂O | — | 4.55 g/cm³ |
| Erikjonssonite | (Pb₃₂O₂₁)[(V,Si,Mo,As)O₄]₄Cl₉ | — | — |
| Ermeloite | Al(PO₄)(H₂O) | — | — |
| Erythrite | Co₃(AsO₄)₂·8H₂O | — | — |
| Eskimoite | Ag₇Pb₁₀Bi₁₅S₃₆ | 4.0 | — |
| Esperanzaite | NaCa₂Al₂(AsO₄)₂(OH)F₄·2H₂O | — | — |
| Esperite | PbCa₂(ZnSiO₄)₃ | — | 4.37 g/cm³ |
| Esquireite | BaSi₆O₁₃(H₂O)₇ | — | — |
| Esseneite | CaFe³⁺AlSiO₆ | 6.0 | — |
| Euchlorine | KNaCu₃(SO₄)₃O | — | 3.11 g/cm³ |
| Euclase | BeAlSiO₄(OH) | 7.5 | — |
| Eugsterite | Na₄Ca(SO₄)₃·2H₂O | — | — |
| Eurekadumpite | (Cu,Zn)₁₆(Te⁴⁺O₃)₂(AsO₄)₃Cl(OH)₁₈·7H₂O | — | — |
| Evdokimovite | Tl₄(VO)₃(SO₄)₅(H₂O)₅ | — | — |
| Eztlite | Pb²⁺₂Fe³⁺₃(Te₄+ O₃)₃(SO₄)O₂Cl | — | — |
| Fabianite | CaB₃O₅OH | — | 2.64 g/cm³ |
| Fairbankite | Pb(TeO₃) | — | 7.23 g/cm³ |
| Falgarite | K₄(VO)₃(SO₄)₅ | — | — |
| Falsterite | Ca₂MgMn²⁺₂Fe²⁺₂Fe³⁺₂Zn₄(PO₄)₈(OH)₄(H₂O)₁₄ | 2.0 | — |
| Farringtonite | Mg₃(PO₄)₂ | — | 2.77 g/cm³ |
| Fedotovite | K₂Cu₃(SO₄)₃O | 2.5 | 3.01 g/cm³ |
| Fehrite | — | — | — |
| Felbertalite | Cu₂Pb₆Bi₈S₁₉ | — | — |
| Felsőbányaite | Al₄(SO₄)(OH)₁₀·4H₂O | — | — |
| Feodosiyite | Cu₁₁Mg₂Cl₁₈(OH)₈·16H₂O | — | — |