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Minerals containing potassium
559 minerals
Potassium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Phlogopite | KMg₃(Si₃Al)O₁₀(OH)₂ | Monoclinic | 2.5 | 2.81 g/cm³ |
| Phosphofibrite | (H₂O,K)₃.₅Fe³⁺₈(PO₄)₆(OH)₇(H₂O)₅ | Monoclinic | 4.0 | — |
| Phosphuranylite | KCa(H₃O)₃(UO₂)₇(PO₄)₄O₄·8H₂O | Orthorhombic | 2.5 | — |
| Picromerite | K₂Mg(SO₄)₂·6H₂O | Monoclinic | 2.5 | — |
| Pitiglianoite | Na₆K₂(Al₆Si₆O₂₄)(SO₄)·2H₂O | Hexagonal | — | — |
| Piypite | K₄Cu₄O₂(SO₄)₄·(Na,Cu)Cl | Tetragonal | 2.5 | — |
| Plavnoite | K₀.₈Mn₀.₆[(UO₂)₂O₂(SO₄)]·3.5H₂O | Monoclinic | — | — |
| Plechovite | Ca₂[K(H₂O)]KBe₃Si₁₂O₃₀ | Hexagonal | — | — |
| Pleysteinite | [(H₂O)K]Mn₂Al₃(PO₄)₄F₂(H₂O)₁₀·4H₂O | Orthorhombic | — | — |
| Polyhalite | K₂Ca₂Mg(SO₄)₄·2H₂O | Triclinic | 3.5 | — |
| Polylithionite | KLi₂AlSi₄O₁₀F₂ | Monoclinic | — | — |
| Ponomarevite | K₄Cu₄Cl₁₀O | Monoclinic | — | — |
| Potassic-arfvedsonite | KNa₂(Fe²⁺₄Fe³⁺)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-chloro-hastingsite | KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂Cl₂ | Monoclinic | 5.0 | — |
| Potassic-chloro-pargasite | KCa₂(Mg₄Al)(Si₆Al₂)O₂₂Cl₂ | Monoclinic | — | — |
| Potassic-ferri-leakeite | KNa₂(Mg₂Fe³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | 5.0 | — |
| Potassic-ferro-ferri-sadanagaite | KCa₂Fe²⁺₃Fe³⁺₂(Si₅Al₃)O₂₂(OH)₂ | Monoclinic | 5.8 | — |
| Potassic-ferro-ferri-taramite | K(NaCa)(Fe²⁺₃Fe³⁺₂)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-ferro-pargasite | KCa₂(Fe²⁺₄Al)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Potassic-ferro-sadanagaite | KCa₂(Fe²⁺₃Al₂)(Si₅Al₃)O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Potassic-ferro-taramite | K(NaCa)(Fe²⁺₃Al₂)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-fluoro-hastingsite | KCa₂(Fe²⁺₄Fe³⁺)(Si₆Al₂)O₂₂F₂ | Monoclinic | 6.0 | — |
| Potassic-fluoro-pargasite | KCa₂(Mg₄Al)(Si₆Al₂)O₂₂F₂ | Monoclinic | — | — |
| Potassic-fluoro-richterite | K(NaCa)Mg₅Si₈O₂₂F₂ | Monoclinic | — | — |
| Potassic-jeanlouisite | K(NaCa)(Mg₄Ti)Si₈O₂₂O₂ | Monoclinic | — | — |
| Potassic-magnesio-arfvedsonite | [K][Na₂][Mg₄Fe³⁺]Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-magnesio-fluoro-arfvedsonite | KNa₂(Mg₄Fe³⁺)Si₈O₂₂F₂ | Monoclinic | 6.0 | — |
| Potassic-magnesio-hastingsite | KCa₂(Mg₄Fe³⁺)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-mangani-leakeite | KNa₂(Mg₂Mn³⁺₂Li)Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-pargasite | KCa₂(Mg₄Al)(Si₆Al₂)O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-richterite | {K}{CaNa}{Mg₅}Si₈O₂₂(OH)₂ | Monoclinic | — | — |
| Potassic-sadanagaite | KCa₂(Mg₃Al₂)(Si₅Al₃)O₂₂(OH)₂ | Monoclinic | 6.0 | — |
| Potassiccarpholite | (K,☐)(Li,Mn²⁺)₂Al₄(Si₂O₆)₂(OH,F)₈ | — | — | — |
| Potassicmendeleevite-(Ce) | Cs₆K₆(REE₂₂Ca₆)(Si₇₀O₁₇₅)(OH,F)₂₀(H₂O)₁₅ | — | — | — |
| Poudretteite | KNa₂B₃Si₁₂O₃₀ | Hexagonal | 5.0 | — |
| Prewittite | KPb₁.₅ZnCu₆O₂(SeO₃)₂Cl₁₀ | Orthorhombic | — | — |
| Priderite | K(Ti⁴⁺₇Fe³⁺)O₁₆ | — | — | — |
| Pseudocotunnite | K₂PbCl₄ (?) | — | — | — |
| Quadridavyne | [(Na,K)₆Cl₂][Ca₂Cl₂][(Si₆Al₆O₂₄)] | Hexagonal | — | — |
| Rameauite | K₂Ca(H[₃]₂O)(H[₅]₂O)₄[(UO₂)₆O₆(OH)₄](H[₄]₂O) | Monoclinic | — | — |
| Rankamaite | (Na,K)₃(Ta,Nb,Al)₁₁(O,OH)₃₁ | Orthorhombic | — | — |
| Rastsvetaevite | Na₂₇K₈Ca₁₂Fe₃Zr₆Si₅₂O₁₄₄(O,OH,H₂O)₆Cl₂ | Trigonal | — | — |
| Rasvumite | KFe₂S₃ | Orthorhombic | — | 3.18 g/cm³ |
| Regerite | KFe₆(PO₄)₄(OH)₇(H₂O)₆·4H₂O | Monoclinic | — | — |
| Rewitzerite | [K(H₂O)]Mn₂(Al₂Ti)(PO₄)₄[O(OH)](H₂O)₁₀·4H₂O | Monoclinic | — | — |
| Rhodesite | KHCa₂Si₈O₁₉·5H₂O | — | — | — |
| Rhodizite | KBe₄Al₄(B₁₁Be)O₂₈ | Cubic | — | — |
| Rinneite | K³NaFe²⁺Cl₆ | — | 3.0 | 2.35 g/cm³ |
| Rippite | K₂(Nb,Ti)₂(Si₄O₁₂)O(O,F) | Tetragonal | — | — |
| Roedderite | KNaMg₂(Mg₃Si₁₂)O₃₀ | Hexagonal | 6.5 | — |
| Rohaite | (Tl,Pb,K)₂Cu₈.₇Sb₂S₄ | Orthorhombic | — | — |
| Romanorlovite | K₈Cu₆Cl₁₇(OH)₃ | Tetragonal | — | — |
| Ronneburgite | K₂MnV₄O₁₂ | Monoclinic | 3.0 | 2.66 g/cm³ |
| Roscoelite | K(V³⁺,Al)₂(AlSi₃O₁₀)(OH)₂ | Monoclinic | 2.5 | — |
| Rotherkopfite | KNa₂Fe²⁺(Fe²⁺)₂(Ti₁.₅Fe²⁺₀.₅)[Si₄O₁₂]₂ | Monoclinic | — | — |
| Rowleyite | [Na(NH₄,K)₉Cl₄][V₅+,₄+₂(P,As)O₈]₆*n[H₂O,Na,NH₄,K,Cl] | Cubic | — | — |
| Sacrofanite | (Na₆₁K₁₉Ca₃₂)(Si₈₄Al₈₄O₃₃₆)(SO₄)₂₆Cl₂F₆*₂H₂O | Hexagonal | — | — |
| Saltonseaite | K₃NaMnCl₆ | Trigonal | — | 2.25 g/cm³ |
| Sanguite | KCuCl₃ | Monoclinic | — | 2.87 g/cm³ |
| Sanidine | KAlSi₃O₈ | Monoclinic | 6.0 | 2.46 g/cm³ |
| Santite | K[B₅O₆(OH)₄] * 2H₂O | Orthorhombic | — | — |
| Satimolite | KNa₂(Al₅Mg₂)[B₁₂O₁₈(OH)₁₂](OH)₆Cl₄*₄H₂O | — | — | — |
| Selwynite | NaKBeZr₂(PO₄)₄·2H₂O | — | — | — |
| Senkevichite | CsKNaCa₂Ti[O|Si₇O₁₈(OH)] | — | — | — |
| Shafranovskite | Na₃K₂(Mn,Fe,Na)₄[Si₉(O,OH)₂₇](OH)₂·nH₂O | — | — | — |
| Shagamite | KFe₁₁O₁₇ | Hexagonal | — | — |
| Shcherbakovite | (K,Ba)KNa(Ti,Nb)₂(Si₄O₁₂)O₂ | — | — | — |
| Shchurovskyite | K₂CaCu₆O₂(AsO₄)₄ | Monoclinic | — | — |
| Shibkovite | K(☐,K,Na)₂Zn₃Ca₂[Si₁₂O₃₀] | — | — | — |
| Shirokshinite | KNaMg₂(Si₄O₁₀)F₂ | Monoclinic | — | 2.79 g/cm³ |
| Shlykovite | KCa[Si₄O₉(OH)]·3H₂O | Monoclinic | — | — |
| Shuvalovite | K₂(Ca₂Na)(SO₄)₃F | Orthorhombic | — | — |
| Sitinakite | KNa₂Ti₄(SiO₄)₂O₅(OH)·4H₂O | — | — | — |
| Sogdianite | KZr₂(Li₃Si₁₂)O₃₀ | Hexagonal | 7.0 | 2.65 g/cm³ |
| Sosedkoite | (K,Na)₅Al₂(Ta,Nb)₂₂O₆₀ | — | — | — |
| Sperlingite | (H₂O)K(Mn²⁺Fe³⁺)(Al₂Ti)(PO₄)₄[O(OH)] [(H₂O)₉(OH)]·4H₂O | Monoclinic | — | — |
| Starovaite | KCu₅O(VO₄)₃ | Triclinic | — | — |
| Steacyite | K₀.₃(Na,Ca)₂ThSi₈O₂₀ | Tetragonal | — | — |
| Steklite | KAl(SO₄)₂ | Trigonal | — | — |
| Stilpnomelane | (K,Ca,Na)(Fe,Mg,Al)₈(Si,Al)₁₂(O,OH)₃₆·nH₂O | — | — | — |