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Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Leadamalgam | Pb₀.₇Hg₀.₃ | Tetragonal | — | — |
| Lebedevite | K₄Na₁₄Cu₁₄O₈(AsO₄)₈Cl₆ | Tetragonal | — | — |
| Lechnerite | Ag₁₀Cu₄HgPb₃₃Sb₅₈S₁₂₈ | Triclinic | — | — |
| Lecoqite-(Y) | Na₃Y(CO₃)₃·6H₂O | Hexagonal | — | — |
| Lednevite | Cu[PO₃(OH)]·H₂O | Monoclinic | — | — |
| Leesite | K(H₂O)₂[(UO₂)₄O₂(OH)₅]*₃H₂O | Orthorhombic | — | — |
| Lefontite | Fe₂Al₂Be(PO₄)₂(OH)₆ | Orthorhombic | — | — |
| Leguernite | Bi₁₂.₆₇O₁₄(SO₄)₅ | Monoclinic | — | — |
| Lehmannite | — | Monoclinic | — | — |
| Lehnerite | Mn²⁺(UO₂)₂(PO₄)₂ * 8H₂O | — | — | — |
| Leishmanite | Ba(H₂O)₄[(UO₂)₃O₂(OH)₃]₂·3H₂O | Orthorhombic | — | — |
| Leisingite | [Mg(H₂O)₆]Cu₂MgTe⁶⁺O₆ | Trigonal | — | — |
| Leiteite | ZnAs³⁺₂O₄ | Monoclinic | — | — |
| Lemanskiite | NaCaCu₅(AsO₄)₄Cl * 3H₂O | Tetragonal | — | — |
| Lemmleinite-Ba | Na₄K₄Ba₂₊ₓTi₈(Si₄O₁₂)₄(OH,O)₈·8H₂O | — | — | — |
| Lemoynite | (Na,K)₂CaZr₂Si₁₀O₂₆ * 5H₂O | Monoclinic | — | — |
| Lenaite | AgFeS₂ | Tetragonal | — | — |
| Leningradite | PbCu₃(VO₄)₂Cl₂ | Orthorhombic | — | — |
| Lennilenapeite | K₆-₇(Mg,Mn,Fe,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆ * 16H₂O | — | — | — |
| Lenoblite | — | Orthorhombic | — | — |
| Leogangite | Cu₁₀(AsO₄)₄(SO₄)(OH)₆ * 8H₂O | Monoclinic | — | — |
| Leonardsenite | MgAlF₅·2H₂O | Orthorhombic | — | — |
| Lepageite | Mn²⁺₃(Fe³⁺₇Fe²⁺₄)O₃[Sb³⁺₅As³⁺₈O₃₄] | Triclinic | — | — |
| Lepidocrocite | Fe³⁺O(OH) | Orthorhombic | 5.0 | — |
| Lepkhenelmite-Zn | Ba₂Zn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O | — | — | — |
| Letnikovite-(Ce) | (Na◻)Ca₂Ce₂[Si₇O₁₇(OH)]F₄(H₂O)₄ | Monoclinic | — | — |
| Leucite | K(AlSi₂O₆) | Tetragonal | — | — |
| Leucostaurite | Pb₂[B₅O₉]Cl·0.5H₂O | Orthorhombic | — | — |
| Levantite | KCa₃Al₂(SiO₄)(Si₂O₇)(PO₄) | Monoclinic | — | — |
| Leverettite | Cu₃CoCl₂(OH)₆ | Trigonal | — | — |
| Levinsonite-(Y) | YAl(SO₄)₂(C₂O₄)·12H₂O | Monoclinic | — | 2.18 g/cm³ |
| Leybovite-K | KCuNa(MgFe³⁺)(AsO₄)₃ | Monoclinic | — | — |
| Leydetite | Fe(UO₂)(SO₄)₂·11H₂O | Monoclinic | — | — |
| Leószilárdite | — | Monoclinic | — | — |
| Lianbinite | (NH₄)(C₂H₃O₃)(C₂H₄O₃) | Monoclinic | — | — |
| Liandratite | U(Nb,Ta)₂O₈ | Trigonal | 3.5 | — |
| Liangjunite | K₂(Mo₂O₅)(SO₄)₂·3H₂O | — | — | — |
| Libbyite | (NH₄)₂(Na₂◻)[(UO₂)₂(SO₄)₃(H₂O)]₂·7H₂O | — | — | — |
| Liberite | Li₂BeSiO₄ | Monoclinic | 7.0 | 2.74 g/cm³ |
| Liebauite | Ca₃Cu₅Si₉O₂₆ | Monoclinic | — | — |
| Liebenbergite | Ni₂SiO₄ | Orthorhombic | — | 4.95 g/cm³ |
| Liebermannite | KAlSi₃O₈ | Tetragonal | — | 2.46 g/cm³ |
| Liguowuite | WO₃ | Monoclinic | — | — |
| Limousinite | — | Monoclinic | — | — |
| Lindbergite | MnC₂O₄·2H₂O | Monoclinic | 2.5 | 2.10 g/cm³ |
| Lindqvistite | — | — | — | — |
| Lindsleyite | — | — | — | — |
| Lindströmite | Pb₃Cu₃Bi₇S₁₅ | Orthorhombic | — | — |
| Lingbaoite | AgTe₃ | Trigonal | — | — |
| Lingunite | NaAlSi₃O₈ | Tetragonal | — | 2.64 g/cm³ |
| Lintisite | LiNa₃Ti₂(Si₂O₆)₂O₂ * 2H₂O | — | — | — |
| Linzhiite | FeSi₂ | Tetragonal | — | 5.08 g/cm³ |
| Liottite | (Na,K)₁₆Ca₈(Al₆Si₆O₂₄)₃(SO₄)₅Cl₄ | Hexagonal | — | — |
| Lipuite | KNa₈Mn³⁺₅Mg₀.₅[Si₁₂O₃₀(OH)₄](PO₄)O₂(OH)₂·4H₂O | Orthorhombic | — | — |
| Liraite | — | Orthorhombic | — | — |
| Lisanite | — | Triclinic | — | — |
| Lisetite | CaNa₂Al₄Si₄O₁₆ | — | — | — |
| Lishiite | (Ca₂◻)Sr₃(CO₃)₅ | Hexagonal | — | — |
| Lishizhenite | ZnFe₂(SO₄)₄ * 14H₂O | Triclinic | — | — |
| Lisiguangite | CuPtBiS₃ | Orthorhombic | 2.5 | 7.74 g/cm³ |
| Lisitsynite | KBSi₂O₆ | Orthorhombic | — | 2.63 g/cm³ |
| Lislkirchnerite | Pb₆Al(OH)₈Cl₂(NO₃)₅*₂H₂O | Monoclinic | — | — |
| Lithiomarsturite | LiCa₂Mn₃Si₅O₁₄(OH) | — | — | — |
| Lithiotantite | LiTa₃O₈ | — | — | — |
| Lithiowodginite | — | — | — | — |
| Lithosite | K₃Al₂Si₄O₁₂(OH) | Monoclinic | — | — |
| Litochlebite | Ag₂PbBi₄Se₈ | Monoclinic | — | — |
| Litvinskite | Na₂(☐,Na,Mn)ZrSi₆O₁₂(OH,O)₆ | Monoclinic | — | — |
| Liudongshengite | — | Trigonal | — | — |
| Liuite | FeTiO₃ | Orthorhombic | — | — |
| Liversidgeite | Zn₆(PO₄)₄·7H₂O | Triclinic | — | — |
| Llantenesite | Cu₆Al[SeO₄](OH)₁₂Cl*₃H₂O | Trigonal | — | — |
| Lobanovite | K₂Na(Fe²⁺₄Mg₂Na)Ti₂(Si₄O₁₂)₂O₂(OH)₄ | — | — | — |
| Lombardoite | Ba₂Mn³⁺(AsO₄)₂(OH) | Monoclinic | — | — |
| Londonite | CsBe₅Al₄B₁₁O₂₈ | Cubic | — | — |
| Longshoushanite-(Ce) | Ce₄MgAl₂Ti₂(Si₂O₇)₂O₈ | Monoclinic | — | — |
| Lonsdaleite | C | Hexagonal | — | — |
| Lopatkaite | Pb₅Sb₃AsS₁₁ | Monoclinic | — | — |
| Loudounite | — | — | — | — |
| Loughlinite | Na₂Mg₃Si₆O₁₆ * 8H₂O | — | — | — |