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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Lourenswalsite | (K,Ba)₂(Ti,Mg,Ca,Fe)₄(Si,Al,Fe)₆O₁₄(OH)₁₂ | Hexagonal | — | — |
| Lovdarite | K₂Na₆Be₄Si₁₄O₃₆·9H₂O | Orthorhombic | — | — |
| Loveringite | (Ca,Ce,La)(Zr,Fe)(Mg,Fe)₂(Ti,Fe,Cr,Al)₁₈O₃₈ | Hexagonal | 5.0 | 4.42 g/cm³ |
| Luanheite | Ag₃Hg | Hexagonal | 2.5 | 12.50 g/cm³ |
| Luanshiweiite | KLiAl₁.₅(Si₃.₅Al₀.₅)O₁₀(OH)₂ | Monoclinic | — | — |
| Luberoite | Pt₅Se₄ | Monoclinic | — | 12.67 g/cm³ |
| Luboržákite | Mn₂AsSbS₅ | Monoclinic | — | — |
| Lucabindiite | K(As₂O₃)₂Cl | Hexagonal | — | — |
| Lucasite-(Ce) | CeTi₂O₅(OH) | Monoclinic | — | — |
| Lucasite-(La) | LaTi₂O₅(OH) | Monoclinic | — | — |
| Lucchesiite | CaFe²⁺₃ Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | 7.0 | — |
| Ludjibaite | — | Triclinic | — | 4.36 g/cm³ |
| Ludlockite | PbFe³⁺₄As³⁺₁₀O₂₂ | Triclinic | — | — |
| Lueshite | NaNbO₃ | — | — | 4.47 g/cm³ |
| Luetheite | CuAl(AsO₄)(OH)₂ | — | — | — |
| Lukechangite-(Ce) | Na₃Ce₂(CO₃)₄F | Hexagonal | — | — |
| Lukkulaisvaaraite | Pd₁₄Ag₂Te₉ | Tetragonal | — | — |
| Lukrahnite | Ca(Cu,Zn)(Fe³⁺,Zn)(AsO₄)₂ * 2(H₂O,OH) | — | 5.0 | 4.18 g/cm³ |
| Lulzacite | Sr₂Fe²⁺(Fe²⁺,Mg)₂Al₄(PO₄)₄(OH)₁₀ | Triclinic | — | — |
| Lumsdenite | NaCa₃Mg₂(H₂O)₃₁(As³⁺V⁴⁺₂V⁵⁺₁₀As⁵⁺₆O₅₁)·14H₂O | Triclinic | — | — |
| Lun'okite | — | Orthorhombic | — | — |
| Lunijianlaite | Li₀.₇Al₆.₂(AlSi₇O₂₀)(OH,O)₁₀ | — | — | — |
| Luobusaite | Fe₀.₈₄Si₂ | Orthorhombic | — | — |
| Luogufengite | — | Orthorhombic | — | — |
| Luoxianchangite | Ag₈SnS₄Se₂ | Orthorhombic | — | — |
| Lusernaite-(Y) | Y₄Al(CO₃)₂(OH,F)₁₁·6H₂O | Orthorhombic | — | — |
| Lussierite | Na₁₀[(UO₂)(SO₄)₄](SO₄)₂(H₂O)₃ | Monoclinic | — | — |
| Luxembourgite | AgCuPbBi₄Se₈ | Monoclinic | 3.0 | — |
| Lyonsite | — | Orthorhombic | — | — |
| Långbanite | — | — | 6.5 | — |
| Långbanshyttanite | Pb₂Mn₂Mg(AsO₄)₂(OH)₄·6H₂O | Triclinic | — | — |
| Línekite | K₂Ca₃[(UO₂)(CO₃)₃]₂·7H₂O | Orthorhombic | — | — |
| Macaulayite | (Fe,Al)₂₄Si₄O₄₃(OH)₂ | — | — | — |
| Macdonaldite | BaCa₄Si₁₆O₃₆(OH)₂·10H₂O | Orthorhombic | — | — |
| Macedonite | PbTiO₃ | Tetragonal | 5.5 | 7.80 g/cm³ |
| Macfallite | Ca₂Mn³⁺₃(SiO₄)(Si₂O₇)(OH)₃ | Monoclinic | — | — |
| Machatschkiite | Ca₆(AsO₄)(AsO₃OH)₃PO₄·15H₂O | — | — | — |
| Machiite | Al₂Ti₃O₉ | Monoclinic | — | — |
| Macivorite | (NH₄)₃Al₅(PO₃OH)₆(PO₄)₂·18H₂O | Trigonal | — | — |
| Mackinawite | (Fe,Ni)₉S₈ | Tetragonal | 2.5 | 4.30 g/cm³ |
| Macphersonite | Pb₄(CO₃)₂(SO₄)(OH)₂ | Orthorhombic | — | — |
| Macquartite | Cu₂Pb₇(CrO₄)₄(SiO₄)₂(OH)₂ | Monoclinic | — | — |
| Macraeite | [K(H₂O)]Mn₂(Fe₂Ti)(PO₄)₄[O(OH)](H₂O)₁₀·4H₂O | Monoclinic | — | — |
| Madeiraite | — | Monoclinic | — | — |
| Madocite | Pb₁₈(Sb,As)₁₅S₄₁ | Orthorhombic | — | — |
| Magadiite | Na₂Si₁₄O₂₉·11H₂O | — | — | — |
| Magbasite | KBaFe³⁺Mg₇Si₈O₂₂(OH)₂F₆ | Orthorhombic | — | — |
| Magganasite | CuFe³⁺₃O(AsO₄)₃ | Triclinic | — | — |
| Maghrebite | MgAl₂(AsO₄)₂(OH)₂·8H₂O | — | — | — |
| Magnanelliite | — | Monoclinic | — | — |
| Magnesio-arfvedsonite | NaNa₂(Mg₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Magnesio-dutrowite | Na(Mg₂.₅Ti₀.₅)Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | — | — |
| Magnesio-ferri-fluoro-hornblende | ☐Ca₂(Mg₄Fe³⁺)(Si₇Al)O₂₂F₂ | Monoclinic | — | — |
| Magnesio-ferri-hornblende | ☐Ca₂(Mg₄Fe³⁺)[(Si₇Al)O₂₂](OH)₂ | Monoclinic | — | — |
| Magnesio-fluoro-riebeckite | ◻Na₂(Mg₃Fe³⁺₂)(Si₈O₂₂)F₂ | Monoclinic | — | — |
| Magnesio-hornblende | ☐Ca₂(Mg₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | 5.5 | — |
| Magnesio-lucchesiite | CaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃O | Trigonal | — | — |
| Magnesioalterite | Mg₂Fe³⁺₄(SO₄)₄(C₂O₄)₂(OH)₄·17H₂O | Monoclinic | — | — |
| Magnesioaubertite | (Mg,Cu)Al(SO₄)₂Cl * 14H₂O | — | — | — |
| Magnesiobeltrandoite-2N3S | (Mg₆Al₂)(Al₁₈(Fe³⁺)₂)O₃₈(OH)₂ | Trigonal | — | — |
| Magnesiobermanite | MgMn³⁺₂(PO₄)₂(OH)₂*₄H₂O | Monoclinic | — | — |
| Magnesiocanutite | NaMnMg₂[AsO₄]₂[AsO₂(OH)₂] | Monoclinic | — | — |
| Magnesiocarpholite | (Mg,Fe²⁺)Al₂(Si₂O₆)(OH)₄ | — | — | — |
| Magnesiochangesite-(Ce) | (Ca₈Ce)□Mg(PO₄)₇ | Trigonal | — | — |
| Magnesiochangesite-(Y) | (Ca₈Y)◻Mg(PO₄)₇ | Trigonal | — | — |
| Magnesiocoulsonite | MgV₂O₄ | Cubic | — | — |
| Magnesiofluckite | CaMg(AsO₃OH)₂(H₂O)₂ | Triclinic | — | — |
| Magnesiohatertite | (Na,Ca)₂Ca(Mg,Fe³⁺)₂(AsO₄)₃ | Monoclinic | — | — |
| Magnesiohongruiite-(Fe³⁺) | (Mg₂Fe³⁺)Fe³⁺NbO₇(OH) | Hexagonal | — | — |
| Magnesiohulsite | Mg₂Fe³⁺O₂(BO₃) | Monoclinic | — | — |
| Magnesiohögbomite-2N4S | [(Mg₈.₄₃Fe²⁺₁.₅₇)Σ=₁₀Al₂₂Ti⁴⁺₂O₄₆(OH)₂] | Hexagonal | — | — |
| Magnesiohögbomite-6N12S | — | Trigonal | — | — |
| Magnesiokoritnigite | Mg(AsO₃OH)·H₂O | Triclinic | — | — |
| Magnesioleydetite | Mg(UO₂)(SO₄)₂·11H₂O | Monoclinic | — | — |
| Magnesioneptunite | KNa₂Li(Mg,Fe)₂Ti₂Si₈O₂₄ | Monoclinic | — | — |
| Magnesiopascoite | Ca₂Mg(V₁₀O₂₈)·16H₂O | Monoclinic | 2.5 | — |
| Magnesioqingheiite | Na₂Mg(MgAl)(PO₄)₃ | Monoclinic | — | — |
| Magnesiorowlandite-(Y) | Y₄(Mg,Fe)(Si₂O₇)₂F₂ | Triclinic | — | — |
| Magnesiostaurolite | Mg(Mg,Li)₃(Al,Mg)₁₈Si₈O₄₄(OH)₄ | — | — | — |
| Magnesiovesuvianite | Ca₁₉Mg(Al₁₀Mg₂)(Si₂O₇)₄(SiO₄)₁₀(OH)₁₀ | Tetragonal | — | — |