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Minerals containing potassium
559 minerals
Potassium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Abernathyite | K(UO₂)(AsO₄)·3H₂O | Tetragonal | — | — |
| Achyrophanite | (K,Na)₃(Fe³⁺,Ti,Al,Mg)₅O₂(AsO₄)₅ | Orthorhombic | — | — |
| Acmonidesite | (NH₄,K,Pb)₈NaFe²⁺₄(SO₄)₅Cl₈ | Orthorhombic | — | — |
| Adolfpateraite | K(UO₂)(SO₄)(OH)(H₂O) | Monoclinic | — | — |
| Afghanite | (Na,K)₂₂Ca₁₀(Si₂₄Al₂₄)O₉₆(SO₄)₆Cl₆ | Trigonal | — | — |
| Agakhanovite-(Y) | YCa☐₂KBe₃Si₁₂O₃₀ | Hexagonal | 6.0 | — |
| Agricolaite | K₄(UO₂)(CO₃)₃ | Monoclinic | 4.0 | 3.53 g/cm³ |
| Agrinierite | K₂Ca[(UO₂)₃O₃(OH)₂]₂·5H₂O | Orthorhombic | — | — |
| Ajoite | K₃Cu²⁺₂₀Al₃Si₂₉O₇₆(OH)₁₆·8H₂O | Triclinic | — | — |
| Alcaparrosaite | K₃Ti⁴⁺Fe³⁺(SO₄)₄O(H₂O)₂ | Monoclinic | — | — |
| Aleksandrovite | KCa₇Sn₂Li₃Si₁₂O₃₆F₂ | Monoclinic | — | — |
| Aleutite | [Cu₅O₂](AsO₄)(VO₄)·(Cu,K,Pb,Rb,Cs,)Cl | Monoclinic | — | — |
| Alexkhomyakovite | K₆(Ca₂Na)(CO₃)₅Cl·6H₂O | Hexagonal | — | — |
| Alloriite | (Na,K,Ca)₂₄(Na,Ca)₄Ca₄(Si,Al)₄₈O₉₆(SO₄)₄(SO₃,CO₃)₂(OH,Cl)₂(H₂O,OH)₄ | Trigonal | — | — |
| Almarudite | K(☐,Na)₂(Mn,Fe,Mg)₂[(Be,Al)₃Si₁₂]O₃₀ | Hexagonal | 6.0 | 2.72 g/cm³ |
| Alsakharovite-Zn | NaSrKZn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·7H₂O | Monoclinic | — | — |
| Altisite | Na₃K₆Ti₂Al₂Si₈O₂₆Cl₃ | Monoclinic | — | — |
| Alum-(K) | KAl(SO₄)₂·12H₂O | Cubic | — | — |
| Aluminoceladonite | K(Mg,Fe²⁺)Al(Si₄O₁₀)(OH)₂ | Monoclinic | — | — |
| Alumoedtollite | K₂NaCu₅AlO₂(AsO₄)₄ | Triclinic | — | — |
| Alumoklyuchevskite | K₃Cu²⁺₃AlO₂(SO₄)₄ | Triclinic | 2.5 | — |
| Alunite | KAl₃(SO₄)₂(OH)₆ | Trigonal | — | — |
| Alvesite | NaKZrSi₆O₁₅·2H₂O | Orthorhombic | — | — |
| Ambrinoite | [K,(NH₄)]₂(As,Sb)₆(Sb,As)₂S₁₃·H₂O | Triclinic | — | — |
| Amicite | K₂Na₂(Al₄Si₄O₁₆)·5H₂O | Monoclinic | 4.5 | — |
| Andrianovite | Na₁₂(K,Sr,Ce)₃Ca₆Mn₃Zr₃Nb(Si₂₅O₇₃)(O,H₂O,OH)₅ | Trigonal | — | — |
| Andyrobertsite | KCdCu₅(AsO₄)₄[As(OH)₂O₂]·2H₂O | Monoclinic | 3.0 | 4.01 g/cm³ |
| Antipinite | KNa₃Cu₂(C₂O₄)₄ | Triclinic | — | — |
| Aphthitalite | K₃Na(SO₄)₂ | Trigonal | 3.0 | 2.75 g/cm³ |
| Aqualite | (H₃O)₈(Na,K,Sr)₅Ca₆Zr₃Si₂₆O₆₆(OH)₉Cl | Trigonal | — | — |
| Arcanite | K₂[SO₄] | Orthorhombic | 2.0 | — |
| Archerite | H₂KPO₄ | Tetragonal | — | 2.39 g/cm³ |
| Armbrusterite | K₅Na₇Mn₁₅[(Si₉O₂₂)₄](OH)₁₀ * 4H₂O | Monoclinic | 3.5 | — |
| Arrojadite-(KFe) | {KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂ | Monoclinic | — | — |
| Arrojadite-(KNa) | KNa₃(CaNa₂)Fe²⁺₁₃Al(PO₄)₁₁(PO₃OH)(OH)₂ | Monoclinic | — | — |
| Arzamastsevite | K₆Al₅Si₆O₂₀(OH)₄Cl | Tetragonal | — | — |
| Ashcroftine-(Y) | K₅Na₅Y₁₂Si₂₈O₇₀(OH)₂(CO₃)₈·8H₂O | Tetragonal | — | — |
| Astrophyllite | K₂NaFe²⁺₇Ti₂Si₈O₂₈(OH)₄F | Triclinic | 3.0 | — |
| Atlasovite | K(BiO)Cu₆Fe³⁺(SO₄)₅O₃Cl | Tetragonal | — | — |
| Avdoninite | K₂Cu₅Cl₈(OH)₄·H₂O | Monoclinic | — | — |
| Avogadrite | KBF₄ | Orthorhombic | — | 2.63 g/cm³ |
| Balestraite | KLi₂V⁵⁺Si₄O₁₂ | Monoclinic | — | — |
| Balliranoite | (Na,K)₆Ca₂(Si₆Al₆O₂₄)Cl₂(CO₃) | Hexagonal | — | — |
| Bannisterite | (Ca,K,Na)(Mn²⁺,Fe²⁺)₁₀(Si,Al)₁₆O₃₈(OH)₈ * nH₂O | — | 4.0 | — |
| Baratovite | KCa₇(Ti,Zr)₂Li₃Si₁₂O₃₆F₂ | Monoclinic | — | — |
| Barytolamprophyllite | (BaK)Ti₂Na₃Ti(Si₂O₇)₂O₂(OH)₂ | Monoclinic | — | — |
| Baylissite | K₂Mg(CO₃)₂·4H₂O | Monoclinic | — | — |
| Bellbergite | (K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄(Si,Al)₃₆O₇₂·30H₂O | Hexagonal | — | — |
| Belomarinaite | KNa(SO₄) | Trigonal | — | — |
| Belousovite | KZn(SO₄)Cl | Monoclinic | — | — |
| Berezanskite | K☐₂Li₃(Ti,Zr,Sn)₂[Si₁₂O₃₀] | — | — | — |
| Biachellaite | (Na,Ca,K)₈(Si₆Al₆O₂₄)(SO₄)₂(OH)₀.₅·H₂O | Trigonal | — | — |
| Bicapite | [KNa₂Mg₂(H₂O)₂₅][H₂PV₅+₁₂O₄₀(V₅+O)₂] | — | — | — |
| Birnessite | (Na,Ca,K)₀.₆(Mn⁴⁺,Mn³⁺)₂O₄·(H₂O)₁.₅ | — | 1.5 | 1.50 g/cm³ |
| Bluestreakite | K₄Mg₂(V⁴⁺₂V⁵⁺₈O₂₈)·14H₂O | Monoclinic | 2.0 | — |
| Bobshannonite | KBaNa₂(Mn,Na)₈(Nb,Ti)₄(Si₂O₇)₄O₄(OH)₄(O,F)₂ | Triclinic | — | — |
| Boleite | KAg₉Pb₂₆Cu₂₄Cl₆₂(OH)₄₈ | Cubic | — | — |
| Boltwoodite | (K,Na)(UO₂)(SiO₃OH)·1.5H₂O | Monoclinic | — | — |
| Bonaccorsiite | KK₂Na₃(Al₆Si₃₆)O₈₄ | Hexagonal | — | — |
| Boromuscovite | KAl₂(BSi₃O₁₀)(OH)₂ | — | — | — |
| Brannockite | (K,Na)☐₂Li₃(Sn,Zr,Ti)₂[Si₁₂O₃₀] | — | — | — |
| Braunerite | K₂Ca(UO₂)(CO₃)₃·6H₂O | Monoclinic | — | — |
| Bubnovaite | K₂Na₈Ca(SO₄)₆ | Trigonal | — | — |
| Burovaite-Ca | (Na,K)₄Ca₂(Ti,Nb)₈[Si₄O₁₂]₄(OH,O)₈·12H₂O | Monoclinic | — | — |
| Bykovaite | (Ba,Na,K)₂(Na,Ti,Mn)₄(Ti,Nb)₂(Si₂O₇)₂O₂(H₂O,F,OH)₂·3.5H₂O | Monoclinic | — | — |
| Bystrite | (Na,K)₇Ca(Al₆Si₆O₂₄)(S₅)Cl | Trigonal | — | — |
| Calcinaksite | KNaCa(Si₄O₁₀)·H₂O | Triclinic | — | — |
| Calcioandyrobertsite | KCaCu₅(AsO₄)₄(H₂AsO₄) * 2H₂O | — | — | — |
| Calciolangbeinite | K₂Ca₂(SO₄)₃ | Cubic | — | 2.73 g/cm³ |
| Calciouranoite | (Ca,Ba,Pb,K,Na)U₂O₇·5H₂O | Triclinic | 4.0 | — |
| Canasite | K₃Na₃Ca₅Si₁₂O₃₀(OH)₄ | — | — | — |
| Capranicaite | KCaNaAl₄B₄Si₂O₁₈ | Monoclinic | — | — |
| Carboferriphoxite | [(NH₄)K(H₂CO₃)][Fe³⁺(HPO₄)(H₂PO₄)(C₂O₄)] | Triclinic | — | — |
| Carletonite | KNa₄Ca₄Si₈O₁₈(CO₃)₄(F,OH)·H₂O | — | — | — |
| Carlosruizite | K₃Na₂Na₃Mg₅(IO₃)₆(SeO₄)₆·6H₂O | Trigonal | — | — |
| Carnallite | KMgCl₃·6H₂O | Orthorhombic | 2.5 | — |
| Carnotite | K₂(UO₂)₂(VO₄)₂·3H₂O | Monoclinic | 2.0 | — |
| Carobbiite | KF | Cubic | — | 2.58 g/cm³ |
| Cesiodymite | CsKCu₅O(SO₄)₅ | Triclinic | — | — |
| Cetineite | NaK₅Sb₁₄S₆O₁₈·6H₂O | Hexagonal | 3.5 | 4.21 g/cm³ |