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Minerals containing potassium
559 minerals
Potassium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Merrihueite | (K,Na)₂(Fe²⁺,Mg)₅[Si₁₂O₃₀] | Hexagonal | — | — |
| Meta-ankoleite | K₂(UO₂)₂(PO₄)₂ * 6H₂O | — | — | 3.54 g/cm³ |
| Metavoltine | Na₆K₂FeFe₆(SO₄)₁₂O₂·18H₂O | Trigonal | — | — |
| Meurigite-K | KFe³⁺₈(PO₄)₆(OH)₇ * 6.₅H₂O | Monoclinic | — | — |
| Microcline | KAlSi₃O₈ | Triclinic | 6.0 | 2.46 g/cm³ |
| Microsommite | Na₄K₂Ca₂(SO₄)(Si₆Al₆O₂₄)Cl₂ | Hexagonal | — | — |
| Middendorfite | K₃Na₂Mn₅Si₁₂(O,OH)₃₆·2H₂O | Monoclinic | — | — |
| Milarite | KCa₂(Be₂AlSi₁₂O₃₀)·nH₂O | Hexagonal | 6.0 | 2.60 g/cm³ |
| Minehillite | (K,Na)₂-₃Ca₂₈Zn₄Al₄Si₄₀O₁₁₂(OH)₁₆ | — | — | — |
| Minguzzite | K₃Fe³⁺(C₂O₄)₃·3H₂O | Monoclinic | — | 2.11 g/cm³ |
| Minyulite | KAl₂(PO₄)₂F·4H₂O | Orthorhombic | 3.5 | — |
| Misenite | K₈H₆(SO₄)₇ | Monoclinic | — | — |
| Miserite | K₁.₅-x(Ca,Y,REE)₅(Si₆O₁₅)(Si₂O₇)(OH,F)₂ * yH₂O | — | — | — |
| Mitscherlichite | K₂CuCl₄·2H₂O | — | — | — |
| Montdorite | (K,Na)₂(Fe²⁺,Mn²⁺,Mg)₅(Si₄O₁₀)₂(OH,F)₄ | — | — | — |
| Monteregianite-(Y) | KNa₂YSi₈O₁₉·5H₂O | — | — | — |
| Montesommaite | K₉(Si₂₃Al₉)O₆₄·10H₂O | Orthorhombic | — | — |
| Mordenite | (Na₂,Ca,K₂)₄(Al₈Si₄₀)O₉₆·28H₂O | Orthorhombic | — | — |
| Moskvinite-(Y) | Na₂KYSi₆O₁₅ | Orthorhombic | — | 2.75 g/cm³ |
| Mountainite | KNa₂Ca₂[Si₈O₁₉(OH)]·6H₂O | — | — | — |
| Murunskite | K₂(Cu,Fe)₄S₄ | Tetragonal | — | — |
| Muscovite | KAl₂(Si₃Al)O₁₀(OH)₂ | Monoclinic | — | — |
| Möhnite | (NH₄)K₂Na(SO₄)₂ | Trigonal | — | — |
| Nabimusaite | KCa₁₂(SiO₄)₄(SO₄)₂O₂F | Trigonal | — | — |
| Nabokoite | KCu₇(SO₄)₅(Te₄+O₃)OCl | Tetragonal | — | — |
| Natroaphthitalite | KNa₃(SO₄)₂ | Trigonal | — | — |
| Natropharmacosiderite | (Na,K)Fe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O | Cubic | — | — |
| Naujakasite | (Na,K)₆(Fe²⁺,Mn²⁺,Ca)(Al,Fe)₄Si₈O₂₆ | — | — | — |
| Navrotskyite | K₂Na₁₀(UO₂)₃(SO₄)₉·2H₂O | Orthorhombic | — | — |
| Nepheline | Na₃K(Al₄Si₄O₁₆) | Hexagonal | — | — |
| Neptunite | Na₂KLiFe²⁺₂Ti₂Si₈O₂₄ | Monoclinic | — | — |
| Neskevaaraite-Fe | NaK₃Fe(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Nickelpicromerite | K₂Ni(SO₄)₂·6H₂O | Monoclinic | — | — |
| Nielsbohrite | (K,U,☐)(UO₂)₃(AsO₄)(OH)₄·H₂O | Orthorhombic | — | — |
| Niobokupletskite | K₂NaMn²⁺₇(Nb,Ti)(Si₄O₁₂)₂O₂(OH)₄(O,F) | — | — | — |
| Niobophyllite | (K,Na)₃(Fe,Mn)₆(Nb,Ti)₂Si₈(O,OH,F)₃₁ | — | — | — |
| Nishanbaevite | KAl₂O(AsO₄)(SO₄) | Orthorhombic | — | — |
| Nitre | KNO₃ | Orthorhombic | — | 2.19 g/cm³ |
| Noonkanbahite | NaKBaTi₂(Si₄O₁₂)O₂ | Orthorhombic | — | — |
| Norrishite | KLiMn³⁺₂(Si₄O₁₀)O₂ | — | — | — |
| Obradovicite-KCu | [K₂(H₂O)₁₇Cu(H₂O)₆][Mo₈As₂Fe³⁺₃O₃₄(OH)₃] | Orthorhombic | — | — |
| Odintsovite | K₂Na₄Ca₃Ti₂Be₄Si₁₂O₃₈ | Orthorhombic | — | — |
| Offretite | KCaMg(Si₁₃Al₅)O₃₆·15H₂O | Hexagonal | 4.0 | — |
| Oftedalite | KSc₂☐₂Be₃Si₁₂O₃₀ | Hexagonal | 6.0 | — |
| Oldsite-(K) | K₂Fe²⁺[(UO₂)(SO₄)₂]₂(H₂O)₈ | Orthorhombic | — | — |
| Olmsteadite | KFe²⁺₂(Nb₅+,Ta₅+)(PO₄)₂O₂ * 2H₂O | — | 4.0 | — |
| Olsenite | KFe₄(PO₄)₃ | Orthorhombic | — | — |
| Organovaite-Mn | K₂MnNb₄(Si₄O₁₂)₂O₄·5-7H₂O | — | — | — |
| Organovaite-Zn | K₂Zn(Nb,Ti)₄(Si₄O₁₂)₂(O,OH)₄·6H₂O | — | — | — |
| Orlovite | KLi₂TiSi₄O₁₁F | Monoclinic | — | — |
| Orthoclase | K(AlSi₃O₈) | Monoclinic | 6.0 | 2.46 g/cm³ |
| Osumilite | (K,Na)(Fe²⁺,Mg)₂(Al,Fe³⁺)₃(Si,Al)₁₂O₃₀ | Hexagonal | — | — |
| Osumilite-(Mg) | KMg₂Al₃(Al₂Si₁₀)O₃₀ | Hexagonal | 6.5 | — |
| Oxyphlogopite | K(Mg,Ti,Fe)₃[(Si,Al)₄O₁₀](O,F)₂ | Monoclinic | — | — |
| Ozerovaite | Na₂KAl₃(AsO₄)₄ | Orthorhombic | — | — |
| Pahasapaite | Li₈(Ca,Li,K)₁₀Be₂₄(PO₄)₂₄·38H₂O | Cubic | — | — |
| Palmierite | K₂Pb(SO₄)₂ | Trigonal | — | 4.13 g/cm³ |
| Pansnerite | K₃Na₃(Fe³⁺,Al)₆(AsO₄)₈ | Orthorhombic | — | — |
| Panunzite | (K,Na)AlSiO₄ | — | — | — |
| Paraershovite | Na₃K₃Fe³⁺₂(Si₄O₁₀OH)₂(OH)₂(H₂O)₄ | Triclinic | — | — |
| Parakuzmenkoite-Fe | (K,Ba)₈Fe₄Ti₁₆(Si₄O₁₂)₈(OH,O)₁₆·20-28H₂O | — | — | — |
| Paralabuntsovite-Mg | Na₈K₈Mg₄Ti₁₆(Si₄O₁₂)₈(OH,O)₁₆·20-24H₂O | — | — | — |
| Paramendozavilite | [KAl₄(H₂O)₃₀][Mo₁₂P₆Fe³⁺₆O₆₀(OH)₁₃] | Monoclinic | — | — |
| Parascandolaite | KMgF₃ | Cubic | — | 3.17 g/cm³ |
| Paratsepinite-Ba | (Ba,Na,K)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O | — | — | — |
| Paratsepinite-Na | (Na,Sr,K,Ca)₂(Ti,Nb)₂(Si₄O₁₂)(O,OH)₂·4H₂O | — | — | — |
| Paraumbite | K₃Zr₂H(Si₃O₉)₂ * nH₂O | — | 4.5 | — |
| Parawulffite | K₅Na₃Cu₈O₄(SO₄)₈ | Monoclinic | — | — |
| Parsettensite | (K,Na,Ca)₇.₅(Mn,Mg)₄₉Si₇₂O₁₆₈(OH)₅₀ * nH₂O | — | — | — |
| Paulingite-Ca | (Ca,K,Na,Ba,☐)₁₀ (Si, Al)₄₂O₈₄·34H₂O | Cubic | — | — |
| Paulingite-K | (K,Ca,Na,Ba, ☐)₁₀(Si,Al)₄₂O₈₄·34H₂O | Cubic | — | — |
| Paulkerrite | [(H₂O)K]Mg₂(Fe³⁺₂Ti)(PO₄)₄(OF)(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Perlialite | K₉NaCa(Si₂₄Al₁₂)O₇₂·15H₂O | Hexagonal | — | — |
| Pertlikite | K₂(Fe²⁺,Mg)₂(Mg,Fe³⁺)₄Fe³⁺₂Al(SO₄)₁₂·18H₂O | — | — | — |
| Pfaffenbergite | KNa₃(Al₄Si₁₂)O₃₂ | Hexagonal | — | — |
| Pharmacoalumite | KAl₄(AsO₄)₃(OH)₄ * 6.₅H₂O | Cubic | — | — |
| Pharmacosiderite | KFe³⁺₄(AsO₄)₃(OH)₄ * 6-₇H₂O | Cubic | 2.5 | — |
| Pharmazincite | KZn(AsO₄) | Hexagonal | — | — |
| Phillipsite-K | K₆(Si₁₀Al₆)O₃₂·12H₂O | Monoclinic | — | — |
| Philoxenite | (K,Na,Pb)₄(Na,Ca)₂(Mg,Cu)₃(Fe³⁺₀.₅Al₀.₅)(SO₄)₈ | Triclinic | — | — |