| Mineral | Formula | Crystal System | Mindat |
|---|
| Jeromite | AsSx | Amorphous | Mindat.org |
| Joaquinite-(Ce) | NaFe2+Ba2Ce2(Ti,Nb)2[Si4O12]2O2(OH,F) • H2O | Monoclinic | Mindat.org |
| Johannite | Cu(UO2)2(SO4)2(OH)2 · 8H2O | Triclinic | Mindat.org |
| Joséite-B | Bi4Te2S | Trigonal | Mindat.org |
| Juangodoyite | Na2Cu(CO3)2 | Monoclinic | Mindat.org |
| Juanitaite | Bi(Cu,Ca,Fe)10(AsO4)4(OH)11 2H2O | Tetragonal | Mindat.org |
| Kaersutite | NaCa2(Mg3Ti4+Al)(Si6Al2)O22O2 | Monoclinic | Mindat.org |
| Kamphaugite-(Y) | Ca(Y,REE)(CO3)2(OH) · H2O | Tetragonal | Mindat.org |
| Kettnerite | CaBiCO3OF | Orthorhombic | Mindat.org |
| Khinite | Pb2+Cu2+3Te6+O6(OH)2 | Orthorhombic | Mindat.org |
| Kidwellite | NaFe3+9(PO4)6(OH)11 • 3H2O | Monoclinic | Mindat.org |
| Kinoite | Ca2Cu2Si3O8(OH)4 | Monoclinic | Mindat.org |
| Kleinite | Hg2N(Cl,SO4) · nH2O | Hexagonal | Mindat.org |
| Köttigite | Zn3(AsO4)2 · 8H2O | Monoclinic | Mindat.org |
| Kröhnkite | Na2Cu(SO4)2 • 2(H2O) | Monoclinic | Mindat.org |
| Ktenasite | Zn(Cu,Zn)4(SO4)2(OH)6 • 6H2O | Monoclinic | Mindat.org |
| Kyanite | Al2[O | SiO4] | Triclinic | Mindat.org |
| Labradorite | (Ca,Na)(Si,Al)4O8 | Triclinic | Mindat.org |
| Lahnsteinite | Zn4(SO4)(OH)6 · 3H2O | Triclinic | Mindat.org |
| Lammerite | Cu3(AsO4)2 | Monoclinic | Mindat.org |
| Langite | Cu4(SO4)(OH)6 • 2(H2O) | Monoclinic | Mindat.org |
| Lanthanite-(Nd) | (Nd,La)2(CO3)3 • 8(H2O) | Orthorhombic | Mindat.org |
| Lavendulan | NaCaCu5(AsO4)4Cl · 5H2O | Monoclinic | Mindat.org |
| Lazaraskeite | Cu(C2H3O3)2 | Monoclinic | Mindat.org |
| Lazulite | (Mg,Fe2+)Al2[OH|PO4]2 | Monoclinic | Mindat.org |
| Lazurite | Na3Ca(Al3Si3O12)S | Isometric | Mindat.org |
| Leadhillite | Pb4(CO3)2(SO4)(OH)2 | Monoclinic | Mindat.org |
| Legrandite | Zn2[OH|AsO4] • H2O | Monoclinic | Mindat.org |
| Leisingite | Cu₂MgTe⁶⁺O₆ · 6H₂O | Trigonal | Mindat.org |
| Lemanskiite | NaCaCu5(AsO4)4Cl·5H2O | Tetragonal | Mindat.org |
| Leucophosphite | KFe3+2(PO4)2(OH) • 2H2O | Monoclinic | Mindat.org |
| Libethenite | Cu2(PO4)(OH) | Orthorhombic | Mindat.org |
| Liddicoatite | Ca(Li,Al)3Al6(BO3)3Si6O18(O,OH,F)4 | Trigonal | Mindat.org |
| Linarite | PbCu(SO4)(OH)2 | Monoclinic | Mindat.org |
| Lipscombite | (Fe2+,Mn2+)Fe3+2(PO4)2(OH)2 | Tetragonal | Mindat.org |
| Liroconite | Cu2Al(AsO4)(OH)4 · 4H2O | Monoclinic | Mindat.org |
| Lorenzenite | Na2Ti2(Si2O6)O3 | Orthorhombic | Mindat.org |
| Ludlamite | (Fe2+,Mg,Mn)3(PO4)2 • 4(H2O) | Monoclinic | Mindat.org |
| Magnesioriebeckite | Na2(Mg,Fe2+)3Fe3+2(Si8O22)(OH)2 | Monoclinic | Mindat.org |
| Magnesite | MgCO3 | Trigonal | Mindat.org |
| Magnetite | Fe2+Fe3+2O4 | Isometric | Mindat.org |
| Malachite | Cu2(CO3)(OH)2 | Monoclinic | Mindat.org |
| Manganoan Calcite | (Ca,Mn)CO3 | Trigonal | Mindat.org |
| Marcasite | FeS2 | Orthorhombic | Mindat.org |
| Margarosanite | Pb(Ca,Mn2+)2(Si3O9) | Triclinic | Mindat.org |
| Markcooperite | Pb2(UO2)(TeO6) | Monoclinic | Mindat.org |
| McGuinnessite | (Mg,Cu)2(CO3)(OH)2 | Monoclinic | Mindat.org |
| Mercury | Hg | Trigonal | Mindat.org |
| Mesolite | Na2Ca2[Al2Si3O10]3 • 8(H2O) | Orthorhombic | Mindat.org |
| Metaheinrichite | Ba(UO2)2(AsO4)2 · 8H2O | Monoclinic | Mindat.org |
Records 251 to 300 of 491
