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Minerals
6,131 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Joosteite | Mn²⁺Mn³⁺O(PO₄) | Monoclinic | 4.0 | 4.13 g/cm³ |
| Jordanite | Pb₁₄(As,Sb)₆S₂₃ | Monoclinic | — | — |
| Jordanówite | Zr(Ti³⁺Zr)Ti³⁺₄AlO₁₆ | Tetragonal | — | — |
| Jordisite | MoS₂ | Amorphous | — | 4.67 g/cm³ |
| Joséite-A | Bi₄TeS₂ | — | — | — |
| Joséite-B | Bi₄Te₂S | Trigonal | — | — |
| Joteite | Ca₂CuAl[AsO₄][AsO₃(OH)]₂(OH)₂·5H₂O | Triclinic | — | — |
| Jouravskite | Ca₃Mn₄+(SO₄)(CO₃)(OH)₆·12H₂O | Hexagonal | — | — |
| Joëlbruggerite | Pb₃Zn₃(Sb⁵⁺,Te⁶⁺)As₂O₁₃(OH,O) | Trigonal | — | — |
| Juabite | — | Triclinic | — | — |
| Juangodoyite | Na₂Cu(CO₃)₂ | Monoclinic | — | 2.85 g/cm³ |
| Juanitaite | — | Tetragonal | — | — |
| Juanite | Ca₁₀Mg₄Al₂Si₁₁O₃₉·4H₂O or near | — | — | — |
| Juansilvaite | Na₅Al₃[AsO₃(OH)]₄[AsO₂(OH)₂]₂(SO₄)₂·4H₂O | Monoclinic | — | — |
| Julgoldite-(Fe2+) | Ca₂Fe²⁺Fe³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Julgoldite-(Fe3+) | — | Monoclinic | — | — |
| Julgoldite-(Mg) | Ca₂MgFe³⁺₂(Si₂O₇)(SiO₄)(OH)₂·H₂O | Monoclinic | — | — |
| Julienite | Na₂[Co(SCN)₄]·8H₂O | Monoclinic | — | — |
| Jungite | Ca₂Zn₄Fe³⁺₈(PO₄)₉(OH)₉·16H₂O | Orthorhombic | 1.0 | — |
| Junitoite | CaZn₂Si₂O₇·H₂O | Orthorhombic | 4.5 | — |
| Junoite | Cu₂Pb₃Bi₈(S,Se)₁₆ | Monoclinic | — | — |
| Juonniite | — | Orthorhombic | — | — |
| Jurbanite | AlSO₄(OH)·5H₂O | Monoclinic | — | — |
| Jusite | Na₂Ca₁₅Al₄Si₁₆O₅₄·17H₂O | — | — | — |
| Juxingite | Bi₆Cu₁₄₀Fe₃₀S₁₂₅ | Cubic | — | — |
| Jáchymovite | — | Monoclinic | — | — |
| Jôkokuite | — | Triclinic | — | — |
| Jörgkellerite | — | Trigonal | — | — |
| Jørgensenite | Na₂Sr₁₄Na₂Al₁₂F₆₄(OH)₄ | Monoclinic | — | — |
| Kaatialaite | Fe(H₂AsO₄)₃ * 5H₂O | Monoclinic | — | — |
| Kadyrelite | [(Hg¹⁺)₂]₃OBr₃(OH) | Cubic | — | — |
| Kaersutite | NaCa₂(Mg₃AlTi)(Si₆Al₂)O₂₂O₂ | Monoclinic | — | — |
| Kafehydrocyanite | — | Tetragonal | — | 1.98 g/cm³ |
| Kahlenbergite | KAl₁₁O₁₇ | Hexagonal | — | — |
| Kahlerite | Fe(UO₂)₂(AsO₄)₂ * 12H₂O | — | — | — |
| Kainite | KMg(SO₄)Cl·3H₂O | Monoclinic | — | 2.10 g/cm³ |
| Kainosite-(Y) | Ca₂Y₂(SiO₃)₄(CO₃)·H₂O | — | — | — |
| Kainotropite | Cu₄Fe³⁺O₂(V₂O₇)(VO₄) | Orthorhombic | — | — |
| Kaitianite | Ti³⁺₂Ti₄+O₅ | Monoclinic | — | — |
| Kalborsite | K₆Al₄BSi₆O₂₀(OH)₄Cl | Tetragonal | — | — |
| Kalgoorlieite | As₂Te₃ | Monoclinic | — | 5.77 g/cm³ |
| Kaliborite | HKMg₂B₁₂O₁₆(OH)₁₀·4H₂O | Monoclinic | — | — |
| Kalicinite | KHCO₃ | Monoclinic | — | 2.23 g/cm³ |
| Kalifersite | (K,Na)₅Fe³⁺₇Si₂₀O₅₀(OH)₆ * 12H₂O | — | — | — |
| Kalininite | ZnCr₂S₄ | Cubic | — | 3.95 g/cm³ |
| Kalinite | KAl(SO₄)₂·11H₂O | Monoclinic | — | — |
| Kaliochalcite | KCu₂(SO₄)₂[(OH)(H₂O)] | Monoclinic | 4.0 | 3.49 g/cm³ |
| Kaliophilite | KAlSiO₄ | Hexagonal | — | 2.54 g/cm³ |
| Kalistrontite | K₂Sr(SO₄)₂ | Trigonal | — | — |
| Kalithallite | K₃Tl³⁺Cl₆*₂H₂O | Tetragonal | — | — |
| Kalsilite | KAlSiO₄ | Hexagonal | — | 2.54 g/cm³ |
| Kalungaite | PdAsSe | Cubic | — | 7.46 g/cm³ |
| Kalyuzhnyite-(Ce) | NaKCaSrCeTi(Si₈O₂₁)OF(H₂O)₃ | Monoclinic | — | — |
| Kamaishilite | Ca₂(Al₂SiO₆)(OH)₂ | Tetragonal | — | — |
| Kamarizaite | Fe³⁺₃(AsO₄)₂(OH)₃·3H₂O | Triclinic | — | — |
| Kambaldaite | NaNi₄(CO₃)₃(OH)₃ * 3H₂O | Hexagonal | — | — |
| Kamchatkite | KCu₃(SO₄)₂OCl | Orthorhombic | 3.5 | — |
| Kamenevite | K₂TiSi₃O₉*H₂O | Orthorhombic | — | — |
| Kamiokite | Fe₂Mo₃O₈ | Hexagonal | — | — |
| Kamitugaite | PbAl[(UO₂)₅(PO₄)₂.₃₈(AsO₄)₀.₆₂O₂(OH)₂] * 1₁.₅H₂O | Triclinic | — | — |
| Kamotoite-(Y) | Y₂(UO₂)₄(CO₃)₃O₄ * 14H₂O | Monoclinic | — | — |
| Kampelite | Ba₆Mg₃Sc₈(PO₄)₁₂(OH)₆*₇H₂O | Orthorhombic | — | — |
| Kampfite | Ba₁₂(Si₁₁Al₅)O₃₁(CO₃)₈Cl₅ | Monoclinic | 3.0 | — |
| Kamphaugite-(Y) | Ca(Y,REE)(CO₃)₂(OH) * H₂O | Tetragonal | — | — |
| Kanatzidisite | (SbBiS₃)₂Te₂ | Monoclinic | — | — |
| Kanemite | HNaSi₂O₅ * 3H₂O | — | — | — |
| Kangite | (Sc,Ti,Al,Zr,Mg,Ca,☐)₂O₃ | Cubic | — | — |
| Kannanite | Ca₄Al₄(AlMg)(VO₄)(SiO₄)₂(Si₃O₁₀)(OH)₆ | Orthorhombic | — | — |
| Kanoite | Mn²⁺(Mg,Mn²⁺)Si₂O₆ | Monoclinic | — | — |
| Kanonaite | Mn³⁺AlOSiO₄ | — | — | — |
| Kanonerovite | Na₃Mn²⁺(P₃O₁₀) * 12H₂O | Monoclinic | — | — |
| Kantorite | K₂NaMg(SO₄)₂F | Orthorhombic | — | — |
| Kaolinite | Al₂Si₂O₅(OH)₄ | Triclinic | 1.0 | — |
| Kapellasite | Cu₃Zn(OH)₆Cl₂ | Trigonal | — | — |
| Kapitsaite-(Y) | (Ba,K,Pb)₄(Y,Ca)₂Si₈(B,Si)₄O₂₈F | Triclinic | — | — |
| Kapundaite | CaNaFe³⁺₄(PO₄)₄(OH)₃·5H₂O | Triclinic | — | — |
| Kapustinite | Na₅(Na,Mn²⁺)<₁Zr(H₂Si₆O₁₈) | Monoclinic | — | — |
| Karasugite | SrCa[Al(F,OH)₇] | Monoclinic | — | — |
| Karchevskyite | Mg₁₈Al₉(OH)₅₄Sr₂(CO₃)₉(H₂O)₆(H₃O)₅ | Trigonal | — | — |
| Karelianite | V³⁺₂O₃ | Trigonal | — | — |