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Redefined minerals
385 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Hejtmanite | Ba₂(Mn²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂ | Monoclinic | — | — |
| Hellandite-(Y) | (Ca,REE)₄Y₂Al☐₂(B₄Si₄O₂₂) (OH)₂ | — | — | — |
| Hibonite | CaAl₁₂O₁₉ | — | — | — |
| Hidalgoite | PbAl₃(SO₄)(AsO₄)(OH)₆ | Trigonal | 4.5 | — |
| Hinsdalite | PbAl₃(SO₄)(PO₄)(OH)₆ | Trigonal | — | — |
| Hiortdahlite | (Na,Ca)₂Ca₄Zr(Mn,Ti,Fe)(Si₂O₇)₂(F,O)₄ | Triclinic | — | — |
| Hiärneite | Ca₂Zr₄Mn³⁺SbTiO₁₆ | — | — | — |
| Hollandite | Ba(Mn⁴⁺₆Mn³⁺₂)O₁₆ | Monoclinic | 6.0 | — |
| Holmquistite | Li₂(Mg₃Al₂)Si₈O₂₂(OH)₂ | Orthorhombic | — | — |
| Holtite | (Ta₀.₆☐₀.₄)Al₆BSi₃O₁₈ | — | — | — |
| Hydrobiotite | K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ * nH₂O | — | — | — |
| Hydrokenoelsmoreite | ☐₂W₂O₆(H₂O) | — | 3.0 | 6.03 g/cm³ |
| Hydroniumjarosite | (H₃O)Fe₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Hydroplumboelsmoreite | (Pb☐)(W₁.₃₃Fe³⁺ ₀.₆₇)O₆(H₂O) | Cubic | — | — |
| Hydropyrochlore | (H₂O,☐)₂Nb₂(O,OH)₆(H₂O) | Cubic | — | — |
| Hydroxycalcioroméite | (Ca,Sb³⁺)₂(Sb⁵⁺,Ti)₂O₆(OH) | Cubic | 5.5 | — |
| Hydroxykenomicrolite | (☐,Na,Sb³⁺)₂Ta₂O₆(OH) | — | — | — |
| Imogolite | Al₂SiO₃(OH)₄ | — | — | — |
| Innelite | Ba₄Ti₂Na(NaCa)Ti(Si₂O₇)₂[(SO₄)(PO₄)]O₂[O(OH)] | Triclinic | — | — |
| Iridium (native) | Ir | Cubic | — | — |
| Jahnsite-(CaMnFe) | CaMn²⁺Fe²⁺₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Jahnsite-(CaMnMg) | CaMn²⁺Mg₂Fe³⁺₂(PO₄)₄(OH)₂(H₂O)₈ | Monoclinic | — | — |
| Jahnsite-(MnMnMn) | {Mn²⁺}{Mn²⁺}{Mn²⁺₂}{Fe³⁺₂}(PO₄)₄(OH)₂·8H₂O | Monoclinic | — | — |
| Jarosite | KFe³⁺₃(SO₄)₂(OH)₆ | Hexagonal | — | — |
| Jinshajiangite | BaNa(Fe²⁺)₄Ti₂(Si₂O₇)₂O₂(OH)₂F | Monoclinic | — | — |
| Joaquinite-(Ce) | NaBa₂Ce₂FeTi₂[Si₄O₁₂]₂O₂(OH,F)·H₂O | Monoclinic | — | — |
| Joesmithite | PbCa₂(Mg₃Fe³⁺₂)(Be₂Si₆)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Johachidolite | CaAlB₃O₇ | Orthorhombic | — | — |
| Johnsomervilleite | Na₁₀Ca₆Mg₁₈Fe²⁺₂₅(PO₄)₃₆ | Trigonal | — | — |
| Kaersutite | NaCa₂(Mg₃AlTi)(Si₆Al₂)O₂₂O₂ | Monoclinic | — | — |
| Kazanskyite | Ba☐TiNbNa₃Ti(Si₂O₇)₂O₂(OH)₂(H₂O)₂ | Triclinic | — | — |
| Kegelite | Pb₄Al₂Si₄O₁₀(SO₄)(CO₃)₂(OH)₄ | — | — | — |
| Kemmlitzite | SrAl₃(AsO₄)(SO₄)(OH)₆ | — | 5.5 | — |
| Kenoargentotetrahedrite-(Fe) | Ag₆(Cu₄Fe₂)Sb₄S₁₂☐ | — | — | — |
| Khademite | AlSO₄F·5H₂O | — | — | — |
| Kingsmountite | Ca₄(Fe²⁺,Mn²⁺)Al₄(PO₄)₆(OH)₄ * 12H₂O | Triclinic | — | — |
| Klebelsbergite | Sb₄O₄(SO₄)(OH)₂ | Orthorhombic | — | 4.42 g/cm³ |
| Kochite | Ca₂MnZrNa₃Ti(Si₂O₇)₂(OF)F₂ | Triclinic | — | — |
| Kolskyite | (Ca,☐)Ti₂Na₂Ti₂(Si₂O₇)₂O₄(H₂O)₇ | Triclinic | — | — |
| Krásnoite | Ca₃Al₇.₇Si₃P₄O₂₂.₉(OH)₁₃.₃F₂·8H₂O | Trigonal | — | — |
| Kurgantaite | CaSr[B₅O₉]Cl·H₂O | Triclinic | — | — |
| Lamprophyllite | (SrNa)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Landesite | Mn²⁺₃-xFe³⁺x(PO₄)₂(OH)x * (₃-x)H₂O | — | — | — |
| Latrappite | Ca₂NbFe³⁺O₆ | — | — | — |
| Lazurite | Na[(AlSiO4)SO4] | Cubic | 5.5 | — |
| Leifite | Na₇Be₂(Si₁₅Al₃)O₃₉(F,OH)₂ | Trigonal | — | — |
| Lileyite | Ba₂Ti₂Na₂Fe²⁺Mg(Si₂O₇)₂O₂F₂ | Monoclinic | — | — |
| Lindackerite | Cu₅(AsO₄)₂(AsO₃OH)₂·9H₂O | — | — | — |
| Lomonosovite | Na₆Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₂O₄ | Triclinic | — | — |
| Lotharmeyerite | CaZn₂(AsO₄)₂·2H₂O | — | 3.0 | — |
| Maghemite | (Fe³⁺₀.₆₇☐₀.₃₃)Fe³⁺₂O₄ | Cubic | 6.0 | — |
| Magnesio-fluoro-arfvedsonite | NaNa₂(Mg₄Fe³⁺)Si₈O₂₂F₂ | Monoclinic | 5.5 | — |
| Magnesio-fluoro-hastingsite | NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂F₂ | Monoclinic | — | — |
| Magnesio-foitite | (☐,Na)(Mg₂Al)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH) | Trigonal | 7.0 | — |
| Magnesio-hastingsite | NaCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Magnesio-riebeckite | ☐Na₂(Mg₃Fe³⁺₂)Si₈O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Magnesiochlorophoenicite | (Mg,Mn)₃Zn₂(AsO₄)(OH,O)₆ | Monoclinic | — | — |
| Magnesiodumortierite | MgAl₆BSi₃O₁₇(OH) | — | — | — |
| Magnesiozippeite | Mg(UO₂)₂(SO₄)O₂ * 3.₅H₂O | Monoclinic | — | — |
| Magnetoplumbite | PbFe³⁺₁₂O₁₉ | — | — | — |
| Magnussonite | Mn₁₀As₆O₁₈(OH,Cl)₂ | — | — | — |
| Malanite | Cu(Pt³⁺,Ir³⁺)₂S₄ | Cubic | 5.0 | — |
| Mangani-dellaventuraite | NaNa₂(MgMn³⁺₂Ti⁴⁺Li)Si₈O₂₂O₂ | Monoclinic | — | — |
| Mangani-obertiite | NaNa₂(Mg₃Mn³⁺Ti⁴⁺)Si₈O₂₂O₂ | Monoclinic | — | — |
| Mangano-ferri-eckermannite | NaNa₂(Mn²⁺₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | 5.0 | — |
| Mangano-mangani-ungarettiite | NaNa₂(Mn²⁺₂Mn³⁺₃)(Si₈O₂₂)O₂ | Monoclinic | — | — |
| Matulaite | (Fe³⁺,Al)Al₇(PO₄)₄(PO₃OH)₂(OH)₈(H₂O)₈ * 8H₂O | — | — | — |
| Mckelveyite-(Y) | NaBa₃(Ca,U)Y(CO₃)₆·3H₂O | Triclinic | — | — |
| Melanophlogite | ₄₆SiO₂ * 6(N₂,CO₂) * 2(CH₄,N₂) | Tetragonal | — | — |
| Merrillite | Ca₉NaMg(PO₄)₇ | Trigonal | — | 3.03 g/cm³ |
| Metaswitzerite | Mn²⁺₃(PO₄)₂ * 4H₂O | Monoclinic | — | — |
| Meymacite | WO₃ * 2H₂O | Amorphous | — | — |
| Michenerite | PdBiTe | Cubic | — | 9.68 g/cm³ |
| Minyulite | KAl₂(PO₄)₂F·4H₂O | Orthorhombic | 3.5 | — |
| Molybdite | MoO₃ | Orthorhombic | — | — |
| Montanite | Bi³⁺₂Te⁶⁺O₆·nH₂O (0 < n < 2/3) | — | — | — |
| Montbrayite | (Au,Ag,Sb,Bi,Pb)₂₃(Te,Sb,Bi,Pb)₃₈ | — | — | — |
| Montdorite | (K,Na)₂(Fe²⁺,Mn²⁺,Mg)₅(Si₄O₁₀)₂(OH,F)₄ | — | — | — |
| Mosandrite-(Ce) | (Ca₃REE)[(H₂O)₂Ca₀.₅☐₀.₅]Ti(Si₂O₇)₂(OH)₂(H₂O)₂ | Monoclinic | — | — |
| Mottanaite-(Ce) | Ca₄(Ce,REE)∑₂Al(Be₁.₅☐₀.₅)∑₂[B₄Si₄O₂₂]O₂ | — | — | — |