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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Magnesiovoltaite | K₂Mg₅Fe³⁺₃Al(SO₄)₁₂*₁₈H₂O | Cubic | — | — |
| Magnesite | MgCO₃ | Trigonal | — | 2.96 g/cm³ |
| Magnéliite | Ti³⁺₂Ti⁴⁺₂O₇ | Triclinic | — | — |
| Magselite | [Mg(H₂O)₆](Se⁴⁺O₃) | Trigonal | — | — |
| Mahnertite | NaCu₃(AsO₄)₂Cl * 5H₂O | Tetragonal | — | — |
| Maikainite | Cu₁₀Fe₃MoGe₃S₁₆ | — | 4.0 | 4.54 g/cm³ |
| Majakite | PdNiAs | Hexagonal | 6.0 | 9.33 g/cm³ |
| Majindeite | Mg₂Mo₃O₈ | Hexagonal | — | — |
| Majorite | Mg₃(Fe²⁺,Si,Al)₂(SiO₄)₃ | Cubic | 7.5 | — |
| Majzlanite | K₂Na(ZnNa)Ca(SO₄)₄ | Monoclinic | — | — |
| Makarochkinite | Ca₄[Fe²⁺₈Fe³⁺₂Ti₂]O₄[Si₈Be₂Al₂O₃₆] | Triclinic | — | — |
| Makatite | Na₂Si₄O₈(OH)₂ * 4H₂O | — | — | — |
| Makotoite | Ag₁₂(Cu₃Au)S₈ | — | — | — |
| Makovickyite | Cu₁.₁₂Ag₀.₈₁Pb₀.₂₇Bi₅.₃₅S₉ | Monoclinic | — | — |
| Malayaite | CaSn(SiO₄)O | Monoclinic | — | — |
| Maleevite | BaB₂Si₂O₈ | Orthorhombic | — | 3.62 g/cm³ |
| Maletoyvayamite | Au₃Se₄Te₆ | Triclinic | — | — |
| Malinkoite | NaBSiO₄ | Hexagonal | 7.0 | 2.96 g/cm³ |
| Mallestigite | Pb₃Sb₅+(SO₄)(AsO₄)(OH)₆ * 3H₂O | Hexagonal | 4.0 | 4.91 g/cm³ |
| Malyshevite | PdCuBiS₃ | Orthorhombic | — | — |
| Mambertiite | BiMo⁵⁺₂.₈O₈(OH) | Triclinic | — | — |
| Mammothite | Pb₆Cu₄AlSb₅+O₂(OH)₁₆Cl₄(SO₄)₂ | Monoclinic | — | — |
| Mampsisite | Ca₄Al₂(CO₃)(OH)₁₂·5H₂O | Triclinic | — | — |
| Manaevite-(Ce) | Ca₁₁(Ce,H₂O,Ca)₈Mg(Al,Fe)₄(Mg,Ti,Fe³⁺)₈[Si₂O₇]₄[(SiO₄)₈(H₄O₄)₂](OH)₉ | Tetragonal | — | — |
| Manaksite | KNaMn²⁺Si₄O₁₀ | — | — | — |
| Mandarinoite | Fe³⁺₂(Se⁴⁺O₃)₃·6H₂O | Monoclinic | 2.5 | — |
| Maneckiite | (Na☐)Ca₂Fe²⁺₂(Fe³⁺Mg)Mn₂(PO₄)₆·2H₂O | Orthorhombic | — | — |
| Manganarsite | Mn₃(As₂O₄)(OH)₄ | — | — | — |
| Manganbabingtonite | Ca₂(Mn,Fe)FeSi₅O₁₄(OH) | — | — | — |
| Manganflurlite | ZnMn²⁺₃Fe³⁺(PO₄)₃(OH)₂(H₂O)₇*₂H₂O | Monoclinic | — | — |
| Mangangordonite | Mn²⁺Al₂(PO₄)₂(OH)₂ * 8H₂O | — | — | — |
| Manganhumite | (Mn²⁺,Mg)₇(SiO₄)₃(OH)₂ | — | — | — |
| Mangani-eckermannite | NaNa₂(Mg₄Mn³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Mangani-pargasite | NaCa₂(Mg₄Mn³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Manganiakasakaite-(La) | {CaLa}{Mn³⁺AlMn²⁺}(Si₂O₇)(SiO₄)O(OH) | Monoclinic | — | — |
| Manganiandrosite-(Ce) | MnCe(Mn³⁺AlMn²⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |
| Manganiceladonite | KMgMn³⁺Si₄O₁₀(OH)₂ | Monoclinic | — | — |
| Manganilvaite | CaFe²⁺Fe³⁺Mn²⁺(Si₂O₇)O(OH) | Monoclinic | — | — |
| Manganlotharmeyerite | CaMn³⁺₂(AsO₄)₂(OH)₂ | — | 3.0 | — |
| Manganobadalovite | NaNaMn(MgFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Manganoblödite | Na₂Mn(SO₄)₂·4H₂O | Monoclinic | — | — |
| Manganochromite | Mn²⁺Cr₂O₄ | Cubic | — | — |
| Manganoeudialyte | Na₁₄Ca₆Mn₃Zr₃[Si₂₆O₇₂(OH)₂](H₂O,Cl,O,OH)₆ | Trigonal | — | — |
| Manganohatertite | NaNaCa(MnFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Manganokaskasite | (Mo,Nb)S₂·(Mn₁₋ₓAlₓ)(OH)₂₊ₓ | Trigonal | — | — |
| Manganokhomyakovite | Na₁₂Sr₃Ca₆Mn₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂ | Trigonal | — | — |
| Manganokukisvumite | Na₆MnTi₄(Si₈O₂₄)O₄ * 4H₂O | — | — | — |
| Manganonaujakasite | Na₆(Mn²⁺,Fe²⁺)Al₄Si₈O₂₆ | Monoclinic | — | — |
| Manganonewberyite | Mn(PO₃OH)(H₂O)₃ | Orthorhombic | — | — |
| Manganonordite-(Ce) | Na₃SrCeMn²⁺Si₆O₁₇ | — | — | — |
| Manganoquadratite | AgMnAsS₃ | Tetragonal | — | — |
| Manganoschafarzikite | MnSb₂O₄ | Tetragonal | — | 5.31 g/cm³ |
| Manganosegelerite | (Mn²⁺,Ca)(Mn²⁺,Fe²⁺,Mg)Fe³⁺(PO₄)₂(OH)·4H₂O | — | — | — |
| Manganotychite | Na₆Mn²⁺₂(CO₃)₄(SO₄) | Cubic | — | — |
| Manganrockbridgeite | Mn²⁺₂Fe³⁺₃(PO₄)₃(OH)₄(H₂O) | Monoclinic | — | — |
| Manganvesuvianite | Ca₁₉Mn³⁺(Al,Mn³⁺,Fe³⁺)₁₀(Mg,Mn²⁺)₂(Si₂O₇)₄(SiO₄)₁₀O(OH)₉ | Tetragonal | — | 3.40 g/cm³ |
| Mangazeite | Al₂SO₄(OH)₄·3H₂O | Triclinic | — | — |
| Manitobaite | Na₁₆Mn²⁺₂₅Al₈(PO₄)₃₀ | Monoclinic | — | — |
| Manjiroite | Na(Mn⁴⁺₇Mn³⁺)O₁₆ | — | 4.0 | — |
| Mannardite | Ba(Ti₄+₆V³⁺₂)O₁₆ | — | — | — |
| Mantienneite | (H₂O)₂Mg₂(Al₂Ti)(PO₄)₄(OH)₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Manuelarossiite | PbCaAlF₇ | Monoclinic | — | — |
| Maohokite | MgFe₂O₄ | Orthorhombic | — | 4.42 g/cm³ |
| Maoniupingite-(Ce) | (Ce,Ca)₄(Fe³⁺,Ti,Fe²⁺,☐)(Ti,Fe³⁺,Fe²⁺,Nb)₄Si₄O₂₂ | Monoclinic | — | — |
| Mapimite | Zn₂Fe³⁺₃(AsO₄)₃(OH)₄·10H₂O | Monoclinic | — | — |
| Mapiquiroite | (Sr,Pb)(U,Y)Fe₂(Ti,Fe³⁺)₁₈O₃₈ | Trigonal | — | — |
| Marathonite | Pd₂₅Ge₉ | Trigonal | — | — |
| Marchettiite | C₅H₇N₅O₃ | Triclinic | — | — |
| Marcobaldiite | Pb₁₂(Sb₃As₂Bi)∑₆S₂₁ | Triclinic | — | — |
| Margaritasite | Cs₂(UO₂)₂(VO₄)₂·H₂O | Monoclinic | — | — |
| Margarite | CaAl₂(Si₂Al₂)O₁₀(OH)₂ | Monoclinic | — | — |
| Mariakrite | — | Triclinic | — | — |
| Maricopaite | Ca₂Pb₇(Si₃₆Al₁₂)O₉₉·n(H₂O,OH) | Orthorhombic | — | — |
| Mariinskite | BeCr₂O₄ | Orthorhombic | 8.5 | 4.62 g/cm³ |
| Marinaite | Cu₂Fe³⁺O₂(BO₃) | Monoclinic | — | — |
| Marinellite | (Na,K)₄₂Ca₆(Al₆Si₆O₂₄)₆(SO₄)₈Cl₂ * 3H₂O | Trigonal | — | — |
| Marioantofilliite | [Cu₄Al₂(OH)₁₂](CO₃)·3H₂O | Monoclinic | — | — |
| Marićite | — | Orthorhombic | — | — |
| Markascherite | Cu₃(MoO₄)(OH)₄ | Monoclinic | — | — |
| Markcooperite | Pb₂(UO₂)TeO₆ | Monoclinic | — | 8.09 g/cm³ |