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Minerals containing potassium
559 minerals
Potassium — element
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Straczekite | (Ca,K,Ba)V₈O₂₀·3H₂O | Monoclinic | — | — |
| Struvite-(K) | KMg(PO₄)·6H₂O | — | — | — |
| Sugilite | K(Na,☐)₂Li₃(Fe,Mn,Al,Zr)₂[Si₁₂O₃₀] | Hexagonal | — | — |
| Sulfhydrylbystrite | Na₅K₂Ca[Al₆Si₆O₂₄](S₅)²⁻(SH)⁻ | Trigonal | — | — |
| Surkhobite | KBa₃Ca₂Na₂Mn₁₆Ti₈(Si₂O₇)₈O₈(OH)₄(F,O,OH)₈ | Monoclinic | — | — |
| Sveite | KAl₇(NO₃)₄(OH)₁₆Cl₂ * 8H₂O | Monoclinic | — | — |
| Svornostite-(K) | K₂Mg[(UO₂)(SO₄)₂]₂·8H₂O | Orthorhombic | — | — |
| Sylvite | KCl | Cubic | 2.0 | 1.99 g/cm³ |
| Syngenite | K₂Ca(SO₄)₂·H₂O | Monoclinic | 2.5 | — |
| Tainiolite | KLiMg₂Si₄O₁₀F₂ | Monoclinic | — | — |
| Tamaite | (Ca,K,Ba,Na)₃-₄Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂·nH₂O | Monoclinic | — | — |
| Taranakite | K₃Al₅(PO₃OH)₆(PO₄)₂·18H₂O | Trigonal | — | — |
| Tarapacáite | K₂CrO₄ | Orthorhombic | — | — |
| Tarbagataite | (K☐)Ca(Fe,Mn)₇Ti₂(Si₄O₁₂)₂O₂(OH)₅ | Triclinic | — | — |
| Telyushenkoite | (Cs,Na,K)Na₆[Be₂Al₃Si₁₅O₃₉]F₂ | Trigonal | — | — |
| Tetraferriannite | KFe²⁺₃((Fe³⁺,Al)Si₃O₁₀)(OH)₂ | — | — | — |
| Tetraferriphlogopite | KMg₃(Fe³⁺Si₃O₁₀)(OH,F)₂ | — | — | — |
| Tewite | K₂(Te₁.₅☐₀.₅)₂W₅O₁₉ | Orthorhombic | — | — |
| Therasiaite | (NH₄)₃KNa₂Fe²⁺Fe³⁺(SO₄)₃Cl₅ | Monoclinic | — | — |
| Thermessaite | K₂AlF₃(SO₄) | Orthorhombic | — | 2.80 g/cm³ |
| Tienshanite | KNa₃Na₆Ca₂Ba₆Mn₆(Ti₄+,Nb)₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁ | Hexagonal | — | — |
| Tiettaite | (Na,K)₁₇FeTiSi₁₆O₂₉(OH)₃₀·2H₂O | Orthorhombic | — | — |
| Tinaksite | K₂Na(Ca,Mn²⁺)₂Ti[O|Si₇O₁₈(OH)] | — | — | — |
| Tinsleyite | KAl₂(PO₄)₂(OH)(H₂O)₂ | Monoclinic | — | — |
| Tiptopite | K₂(Li,Na,Ca)₆(Be₆P₆)O₂₄(OH)₂·1.3H₂O | Hexagonal | 3.5 | — |
| Tobelite | (NH₄,K)Al₂(AlSi₃O₁₀)(OH)₂ | — | — | — |
| Todorokite | (Na,Ca,K,Ba,Sr)₁-x(Mn,Mg,Al)₆O₁₂·3-4H₂O | Monoclinic | — | — |
| Tokkoite | K₂Ca₄[Si₇O₁₈(OH)](OH,F) | — | — | — |
| Tomcampbellite | [KCl][Fe²⁺₁₄(OH)₆(PO₄)₆(PO₃OH)₂] | Monoclinic | — | — |
| Tounkite | (Na,Ca,K)₈(Al₆Si₆O₂₄)(SO₄)₂Cl·0.5H₂O | Hexagonal | — | — |
| Trikalsilite | K₂NaAl₃(SiO₄)₃ | Hexagonal | — | — |
| Trilithionite | K(Li₁.₅Al₁.₅)(AlSi₃O₁₀)(F,OH)₂ | — | — | — |
| Tschörtnerite | Ca₄(K,Ca,Sr,Ba)₃Cu₃Al₁₂Si₁₂O₄₈(OH)₈·20H₂O | Cubic | — | — |
| Tsepinite-Ca | (Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O | — | — | — |
| Tsepinite-K | (K,Ba,Na)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O | — | — | — |
| Tsepinite-Na | (Na,H₃O,K,Sr,Ba,☐)₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O | — | — | — |
| Tsepinite-Sr | (Sr,Ba,K)(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O | Monoclinic | — | — |
| Turkestanite | (K,☐)(Ca,Na)₂ThSi₈O₂₀·nH₂O | Tetragonal | — | — |
| Tuscanite | (K(Ca,Na)₆(Si,Al)₁₀O₂₂[SO₄,CO₃,(OH)₂])·H₂O | — | — | — |
| Umbite | K₂ZrSi₃O₉·H₂O | Orthorhombic | 4.5 | — |
| Umbrianite | K₇Na₂Ca₂[Al₃Si₁₀O₂₉]F₂Cl₂ | Orthorhombic | — | — |
| Ungemachite | K₃Na₈Fe³⁺(SO₄)₆(NO₃)₂·6H₂O | Trigonal | 2.5 | — |
| Vandermeerscheite | K₂[(UO₂)₂V₂O₈]·2H₂O | Monoclinic | — | — |
| Veblenite | K₂☐₂Na(Fe²⁺₅Fe³⁺₄Mn₇☐)Nb₃Ti(Si₂O₇)₂(Si₈O₂₂)₂O₆(OH)₁₀(H₂O)₃ | Triclinic | — | — |
| Vinogradovite | Na₄Ti₄(Si₂O₆)₂[(Si,Al)₄O₁₀]O₄ * (H₂O,Na,K)₃ | Monoclinic | — | — |
| Vladkuzminite | K₄CuZn₃(AsO₄)₄ | Monoclinic | — | — |
| Volkovskite | KCa₄[B₅O₈OH]₄[B(OH)₃]₂Cl * 4H₂O | Triclinic | — | — |
| Voltaite | K₂Fe²⁺₅Fe³⁺₃Al(SO₄)₁₂ * 18H₂O | Cubic | 3.0 | — |
| Vuoriyarvite-K | K₂(Nb,Ti)₂(Si₄O₁₂)(O,OH)₂ * 4H₂O | — | — | — |
| Wadeite | K₂Zr(Si₃O₉) | Hexagonal | — | 2.98 g/cm³ |
| Wangpuite | K₃(PO₄)(Mo₁₂O₃₆) | Cubic | — | 4.14 g/cm³ |
| Watatsumiite | Na₂KLi(Mn²⁺,Fe²⁺)₂V₄+₂[Si₈O₂₄] | Monoclinic | — | — |
| Weeksite | K₂(UO₂)₂(Si₅O₁₃) * 4H₂O | Monoclinic | — | 4.10 g/cm³ |
| Willhendersonite | KCa[Al₃Si₃O₁₂] * 5H₂O | Triclinic | — | — |
| Witzkeite | Na₄K₄Ca(NO₃)₂(SO₄)₄·2H₂O | Monoclinic | 2.0 | — |
| Wonesite | (Na,K)(Mg,Fe,Al)₆((Al,Si)₄O₁₀)₂(OH,F)₄ | Triclinic | — | — |
| Wrightite | K₂Al₂O(AsO₄)₂ | Orthorhombic | — | — |
| Wulffite | K₃NaCu₄O₂(SO₄)₄ | Orthorhombic | — | — |
| Wumuite | KAl₀.₃₃W₂.₆₇O₉ | Hexagonal | — | — |
| Xianhuaite-(Ce) | K₂CeNb₅O₁₅ | Tetragonal | — | — |
| Xianhuaite-(La) | K₂LaNb₅O₁₅ | Tetragonal | — | — |
| Yakhontovite | (Ca,Na,K)₀.₂(Cu,Fe,Mg)₂(Si₄O₁₀)(OH)₂·3H₂O | Monoclinic | — | — |
| Yakovenchukite-(Y) | K₃NaCaY₂Si₁₂O₃₀·4H₂O | Orthorhombic | — | — |
| Yamhamelachite | KCrP₂O₇ | Monoclinic | — | 2.94 g/cm³ |
| Yangzhumingite | KMg₂.₅Si₄O₁₀F₂ | Monoclinic | — | — |
| Yarzhemskiite | K[B₅O₇(OH)₂]·H₂O | Monoclinic | — | — |
| Yavapaiite | KFe³⁺(SO₄)₂ | Monoclinic | — | — |
| Yellowcatite | KNaFe³⁺₂(Se⁴⁺O₃)₂(V⁵⁺₂O₇)·7H₂O | Hexagonal | — | — |
| Yimengite | K(Cr,Ti,Fe,Mg)₁₂O₁₉ | Hexagonal | — | — |
| Yingjiangite | K₂Ca(UO₂)₇(PO₄)₄(OH)₆·6H₂O | Orthorhombic | — | — |
| Yuksporite | K₄(Ca,Na)₁₄(Sr,Ba)₂(☐,Mn,Fe)(Ti,Nb)₄(O,OH)₄(Si₆O₁₇)₂(Si₂O₇)₃(H₂O,OH)₃ | Monoclinic | 5.0 | — |
| Yunhaoite | K₂(MoO₄) | Monoclinic | — | 3.14 g/cm³ |
| Yurgensonite | K₂SnTiO₂(AsO₄)₂ | Orthorhombic | — | — |
| Zimbabweite | (Na,K)₂PbAs₄(Ta,Nb,Ti)₄O₁₈ | Orthorhombic | — | — |
| Zincovoltaite | K₂Zn₅Fe³⁺₃Al(SO₄)₁₂ * 18H₂O | Cubic | — | — |
| Zippeite | K₃(UO₂)₄(SO₄)₂O₃(OH)·3H₂O | Monoclinic | 2.0 | — |
| Zircophyllite | K₂NaFe²⁺₇Zr₂(Si₄O₁₂)₂O₂(OH)₄F | Triclinic | — | — |
| Zoharite | (Ba,K)₆(Fe,Cu,Ni)₂₅S₂₇ | Cubic | — | — |
| Zussmanite | K(Fe,Mg,Mn)₁₃(Si,Al)₁₈O₄₂(OH)₁₄ | Trigonal | — | — |