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Minerals containing potassium
559 minerals
Potassium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Flinteite | K₂ZnCl₄ | Orthorhombic | — | 2.23 g/cm³ |
| Fluor-rewitzerite | [(H₂O)K]Mn₂(Al₂Ti)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | Monoclinic | — | — |
| Fluorannite | KFe²⁺₃(AlSi₃O₁₀)(F,OH)₂ | Monoclinic | — | — |
| Fluorapophyllite-(K) | KCa₄(Si₈O₂₀)F(H₂O)₈ | Tetragonal | — | — |
| Fluorcanasite | K₃Na₃Ca₅Si₁₂O₃₀F₄·H₂O | Monoclinic | — | — |
| Fluormacraeite | [(H₂O)K]Mn₂(Fe₂Ti)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | Monoclinic | — | — |
| Fluorophlogopite | KMg₃(Si₃Al)O₁₀F₂ | Monoclinic | — | — |
| Fluorotetraferriphlogopite | KMg₃Fe³⁺Si₃O₁₀F₂ | Monoclinic | — | — |
| Flörkeite | (K₃Ca₂Na)[Al₈Si₈O₃₂]·12H₂O | Triclinic | — | — |
| Fontarnauite | (Na,K)₂(Sr,Ca)(SO₄)[B₅O₈(OH)]·2H₂O | Monoclinic | — | — |
| Frankamenite | K₃Na₃Ca₅(Si₁₂O₃₀)(F,OH)₄·H₂O | — | — | — |
| Franklinphilite | (K,Na)₄(Mn²⁺,Mg,Zn)₄₈(Si,Al)₇₂(O,OH)₂₁₆·6H₂O | — | — | — |
| Franzinite | (Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂·2H₂O | Trigonal | — | — |
| Friedrichbeckeite | K(☐Na)Mg₂(Be₂Mg)Si₁₂O₃₀ | Hexagonal | 6.0 | 2.69 g/cm³ |
| Gajardoite | KCa₀.₅As³⁺₄O₆Cl₂(H₂O)₃·2H₂O | Hexagonal | — | — |
| Ganophyllite | (K,Na,Ca)₂Mn₈(Si,Al)₁₂(O,OH)₃₂·8H₂O | — | — | — |
| Ganterite | (Ba,Na,K)(Al,Mg)₂(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Gauthierite | KPb[(UO₂)₇O₅(OH)₇]·8H₂O | Monoclinic | — | 5.44 g/cm³ |
| Gengenbachite | KFe₃(H₂PO₄)₂(HPO₄)₄·6H₂O | Hexagonal | — | — |
| Georgechaoite | NaKZr[Si₃O₉]·2H₂O | — | — | — |
| Geschieberite | K₂(UO₂)(SO₄)₂·2H₂O | Orthorhombic | — | — |
| Giuseppettite | (Na,K,Ca)₇-₈(Al₆Si₆O₂₄)(SO₄,Cl)₁-₂ | Trigonal | — | — |
| Gjerdingenite-Ca | K₂Ca(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | Monoclinic | — | — |
| Gjerdingenite-Fe | K₂Fe(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Mn | K₂Mn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Gjerdingenite-Na | K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄·5H₂O | Monoclinic | — | — |
| Gmalimite | K₆◻Fe²⁺₂₄S₂₇ | Cubic | — | — |
| Gmelinite-K | K₄(Si₈Al₄)O₂₄·11H₂O | Hexagonal | — | — |
| Goldichite | KFe(SO₄)₂·4H₂O | Monoclinic | — | — |
| Goldschmidtite | KNbO₃ | Cubic | — | 4.50 g/cm³ |
| Grimselite | K₃Na(UO₂)(CO₃)₃·H₂O | Hexagonal | — | — |
| Gutkovaite-Mn | CaK₂Mn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·5H₂O | — | — | — |
| Görgeyite | K₂Ca₅(SO₄)₆·H₂O | Monoclinic | — | — |
| Günterblassite | (K,Ca,Ba,Na,☐)₃Fe[(Si,Al)₁₃O₂₅(OH,O)₄]·7H₂O | Orthorhombic | 4.0 | — |
| Haigerachite | KFe³⁺₃(HPO₄)₂(H₂PO₄)₆ * 4H₂O | Monoclinic | — | — |
| Hanksite | KNa₂₂(SO₄)₉(CO₃)₂Cl | Hexagonal | — | — |
| Hanswilkeite | KFeS₂ | Monoclinic | — | — |
| Hazenite | KNaMg₂(PO₄)₂ * 14H₂O | Orthorhombic | — | — |
| Heklaite | KNaSiF₆ | Orthorhombic | — | — |
| Hendricksite | K(Zn,Mg,Mn²⁺)₃(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Heulandite-Ba | (Ba,Ca,K)₅(Si₂₇Al₉)O₇₂ * 2₂H₂O | Monoclinic | — | — |
| Heulandite-K | (K,Ca,Na)₅(Si₂₇Al₉)O₇₂ · 26H₂O | Monoclinic | — | — |
| Heulandite-Na | (Na,Ca,K)₆(Si,Al)₃₆O₇₂ · 22H₂O | Monoclinic | — | — |
| Hieratite | K₂SiF₆ | Cubic | — | 2.98 g/cm³ |
| Hillesheimite | (K,Ca,Ba,☐)₂(Mg,Fe,Ca,☐)₂[(Si,Al)₁₃O₂₃(OH)₆](OH)·8H₂O | Orthorhombic | — | — |
| Hochleitnerite | [(H₂O)K]Mn₂(Ti₂Fe³⁺)(PO₄)₄O₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Hogarthite | (Na,K)₂CaTi₂Si₁₀O₂₆·8H₂O | Monoclinic | — | — |
| Humberstonite | K₃Na₇Mg₂(SO₄)₆(NO₃)₂·6H₂O | Trigonal | 2.5 | — |
| Hummerite | KMgV⁵⁺₅O₁₄·8H₂O | Triclinic | — | — |
| Hyalotekite | (Pb,Ba,K)₄(Ca,Y)₂(B,Be)₂(Si,B)₂Si₈O₂₈(F,Cl) | Triclinic | — | — |
| Hydrobiotite | K(Mg,Fe²⁺)₆((Si,Al)₈O₂₀)(OH)₄ * nH₂O | — | — | — |
| Hydrodelhayelite | KCa₂(Si₇Al)O₁₇(OH)₂·6H₂O | — | — | — |
| Hydroxyapophyllite-(K) | KCa₄(Si₈O₂₀)(OH,F) * 8H₂O | — | — | — |
| Hydroxycancrinite | (Na,Ca,K)₈(AlSi)₆O₂₄(OH,CO₃)₂·2H₂O | Hexagonal | — | — |
| Hydroxymcglassonite-(K) | KSr₄Si₈O₂₀(OH)(H₂O)₈ | Tetragonal | — | — |
| Ikorskyite | KMn³⁺(Si₄O₁₀)·3H₂O | Monoclinic | — | — |
| Ilinskite | (Na,K)Cu₅(SeO₃)₂O₂Cl₃ | Orthorhombic | 1.5 | — |
| Iquiqueite | K₃Na₄Mg(CrO₄)B₂₄O₃₉(OH)·12H₂O | Hexagonal | — | — |
| Iraqite-(La) | KCa₂(La,Ce,Th)Si₈O₂₀ | Tetragonal | — | — |
| Ivanyukite-K | K₂[Ti₄O₂(OH)₂(SiO₄)₃]·9H₂O | Cubic | — | — |
| Jarosite | KFe³⁺₃(SO₄)₂(OH)₆ | Hexagonal | — | — |
| Javorieite | KFeCl₃ | Orthorhombic | — | — |
| Jonesite | KBa₂Ti₂(Si₅Al)O₁₈·nH₂O | Orthorhombic | — | — |
| Kahlenbergite | KAl₁₁O₁₇ | Hexagonal | — | — |
| Kainite | KMg(SO₄)Cl·3H₂O | Monoclinic | — | 2.10 g/cm³ |
| Kalborsite | K₆Al₄BSi₆O₂₀(OH)₄Cl | Tetragonal | — | — |
| Kaliborite | HKMg₂B₁₂O₁₆(OH)₁₀·4H₂O | Monoclinic | — | — |
| Kalicinite | KHCO₃ | Monoclinic | — | 2.23 g/cm³ |
| Kalifersite | (K,Na)₅Fe³⁺₇Si₂₀O₅₀(OH)₆ * 12H₂O | — | — | — |
| 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 |
| Kalyuzhnyite-(Ce) | NaKCaSrCeTi(Si₈O₂₁)OF(H₂O)₃ | Monoclinic | — | — |
| Kamchatkite | KCu₃(SO₄)₂OCl | Orthorhombic | 3.5 | — |
| Kamenevite | K₂TiSi₃O₉*H₂O | Orthorhombic | — | — |
| Kantorite | K₂NaMg(SO₄)₂F | Orthorhombic | — | — |
| Kapitsaite-(Y) | (Ba,K,Pb)₄(Y,Ca)₂Si₈(B,Si)₄O₂₈F | Triclinic | — | — |