Mineral Species sorted by the element K Potassium (original) (raw)

Potassium (K) Element Properties

Atomic Mass 39.0983
Atomic Number 19
Name Origins English, potash; Latin kalium.
Year Discovered 1807
Discovery Credits Sir Humphry Davy at London, UK.
Remarks Soft white metal, silvery when cut but reacts rapidly with oxygen and vigorously with water. Metal obtained from NaCl + KCl at 1100 K. Used in fertilizers, chemicals, and glass.Diagnostic tests: In solution, a potassium will give a violet flame test color. This flame test will be contaminated with the colors of the other alkaline elements which are present in the sample. The test is best observed through a blue filter or Glass blowers Didymium Safety Glassesto suppress the yellow sodium flame.
References Emsley, J., 1991; THE ELEMENTS : Sec. Ed., Clarendon Press, Oxford, 251 p.
See Also WebElements,ChemiCool

Naturally Occurring Isotopes

Symbol Isotope Mass Isotope Nuclide Number Isotope Number Natural Abundance Half-life Half-life Units Decay Mode Decay Mode MeV Decay Mode %
K 38.963707 39 19 93.2581% Stable
K 39.963999 40 19 0.0120% 1.25 x 109 Years beta - EC 1.32 95.0% 5.0%
K 40.961825 41 19 6.7302% Stable

Mineral Species sorted by the element K (Potassium )

Click Here for Mineral Species Sorted By Mineral Name

%K Mineral Name Chemical Formula MW
67.30%K Carobbiite KF 58.10
52.45%K Sylvite KCl 74.55
44.87%K Arcanite K2SO4 174.26
40.27%K Tarapacaite K2CrO4 194.19
39.05%K Kalicinite KHCO3 100.12
38.90%K Colimaite K3VS4 296.49
38.67%K Niter KNO3 101.10
37.03%K Kafehydrocyanite * K4Fe++(CN)6•3(H2O) 422.39
36.88%K Chlormanganokalite K4MnCl6 424.05
35.50%K Demartinite ! K2[SiF6] 220.26
35.50%K Hieratite K2SiF6 220.27
32.82%K Butschliite K2Ca(CO3)2 238.29
32.82%K Fairchildite K2Ca(CO3)2 238.29
32.29%K Elpasolite K2NaAlF6 242.16
31.55%K Misenite K8H8(SO4)7(?) 991.28
30.50%K Thermessaite ! K2[AlF3SO4] 258.95
28.71%K Mercallite KHSO4 136.17
28.69%K Rinneite K3NaFe++Cl6 408.85
27.46%K Aphthitalite (K,Na)3Na(SO4)2 320.33
26.58%K Lopezite K2Cr2O7 294.18
26.55%K Baylissite K2Mg(CO3)2•4(H2O) 294.58
25.33%K Chlorothionite K2Cu(SO4)Cl2 308.71
25.07%K Douglasite K2Fe++Cl4•2(H2O) 311.88
24.72%K Kaliophilite KAlSiO4 158.16
24.72%K Kalsilite KAlSiO4 158.16
24.72%K Megakalsilite ! KAlSiO4 158.16
24.47%K Mitscherlichite K2CuCl4•2(H2O) 319.58
24.35%K Pyrophosphite * K2CaP2O7 287.36
23.88%K Minguzzite K3Fe+++(C2O4)3•3(H2O) 491.25
23.81%K Lithosite K6Al4Si8O25•(H2O) 985.20
23.81%K Syngenite K2Ca(SO4)2•(H2O) 328.42
23.74%K Erythrosiderite K2Fe+++Cl5•(H2O) 329.32
23.70%K Kalborsite K6Al4Si6BO20(OH)4Cl 989.63
23.16%K Khibinskite K2ZrSi2O7 337.59
22.42%K Archerite (K,NH4)H2PO4 130.82
21.85%K Kalistrontite K2Sr(SO4)2 357.94
21.32%K Leonite K2Mg(SO4)2•4(H2O) 366.69
21.07%K Chlorocalcite KCaCl3 185.53
20.39%K Gregoryite (Na2,K2,Ca)CO3 115.06
20.04%K Pyrocoproite * (Mg(K,Na))2P2O7 292.70
20.02%K Ponomarevite K4Cu++4OCl10 781.10
19.66%K Wadeite K2ZrSi3O9 397.67
19.64%K Mereiterite ! K2Fe++(SO4)2•4(H2O) 398.23
19.63%K Avogadrite (K,Cs)BF4 149.35
19.54%K Altisite Na3K6Ti2Al2Si8O26Cl3 1,200.31
19.42%K Picromerite K2Mg(SO4)2•6(H2O) 402.72
19.35%K Lisitsynite ! KBSi2O6 202.08
19.28%K Grimselite K3Na(UO2)(CO3)3•(H2O) 608.36
19.15%K Heklaite ! KNaSiF6 204.16
19.02%K Panunzite (K,Na)AlSiO4 154.14
19.02%K Trikalsilite (K,Na)AlSiO4 154.14
18.91%K Piypite K2Cu2(SO4)2O 413.42
18.84%K Langbeinite K2Mg2(SO4)3 415.00
18.81%K Kostylevite K2ZrSi3O9•(H2O) 415.69
18.81%K Umbite K2ZrSi3O9•(H2O) 415.69
18.30%K Pseudocotunnite K2PbCl4(?) 427.21
17.91%K Leucite KAlSi2O6 218.25
17.69%K Cyanochroite K2Cu(SO4)2•6(H2O) 441.96
17.50%K Arnhemite * (K,Na)2Mg2(P2O7)•5(H2O) 620.94
17.26%K Murunskite K2Cu3FeS4 452.95
17.17%K Davanite K2TiSi6O15 450.78
16.69%K Knasibfite ! K3Na4[SiF6]3[BF4] 723.72
16.42%K Manganolangbeinite K2Mn2(SO4)3 476.26
16.27%K Cryptophyllite K2Ca[Si4O10]•5H2O 480.69
15.83%K Rasvumite KFe2S3 246.99
15.70%K Kainite MgSO4•KCl•3(H2O) 248.97
15.62%K Alumoklyuchevskite K3Cu3AlO2(SO4)4 751.17
15.32%K Klyuchevskite K3Cu3(Fe+++,Al)O2(SO4)4 765.60
15.04%K Klyuchevskite-Duplicate K3Cu3Fe+++O2(SO4)4 780.03
14.67%K Struvite-(K) ! KMg(PO4)•6(H2O) 266.47
14.46%K Paraumbite K3Zr2HSi6O18•n(H2O)n=3to7 811.30
14.23%K Ronneburgite ! K2MnV4O12 521.92
14.07%K Carnallite KMgCl3•6(H2O) 277.85
14.05%K Kokchetavite ! KAlSi3O8 278.33
14.05%K Microcline KAlSi3O8 278.33
14.05%K Orthoclase KAlSi3O8 278.33
13.82%K Montesommaite (K,Na)9Al9Si23O64•10(H2O) 2,433.32
13.65%K Fedotovite K2Cu++3(SO4)3O 573.02
13.62%K Yavapaiite KFe+++(SO4)2 287.07
13.33%K Santite KB5O6(OH)4•2(H2O) 293.20
13.24%K Tiettaite (Na,K)17Fe+++TiSi16O29(OH)30•2(H2O) 2,066.91
13.10%K Lemmleinite-K ! NaK2(Ti,Nb)2Si4O12(O,OH)2•2(H2O) 596.73
13.00%K Dalyite K2ZrSi6O15 571.59
12.97%K Polyhalite K2Ca2Mg(SO4)4•2(H2O) 602.94
12.82%K Krausite KFe+++(SO4)2•(H2O) 305.09
12.49%K Palmierite (K,Na)2Pb(SO4)2 469.47
11.63%K Tinsleyite KAl2(PO4)2(OH)•2(H2O) 336.04
11.47%K Ershovite Na4K3(Fe++,Mn++,Ti)2Si8O20(OH)4•5(H2O) 1,022.20
11.46%K Gwihabaite ! (NH4,K)(NO3) 85.31
11.42%K Shcherbakovite KKNaTi2O(OH)[Si4O12] 568.26
11.32%K Amicite K2Na2Al4Si4O16•5(H2O) 690.51
11.08%K Leightonite K2Ca2Cu(SO4)4•2(H2O) 705.73
10.89%K Goldichite KFe+++(SO4)2•4(H2O) 359.13
10.69%K Charoite K5Ca8(Si6O15)2(Si2O7)Si4O9(OH)•3(H2O) 1,828.68
10.69%K Sanidine (K,Na)(Si,Al)4O8 274.30
10.58%K Filatovite ! K[(Al,Zn)2(As,Si)2O8] 340.02
10.49%K Minyulite KAl2(PO4)2(OH,F)•4(H2O) 372.57
10.43%K Bartonite K3Fe10S14 1,124.69
10.40%K Tinaksite K2Na(Ca,Mn++)2(Ti,Fe)O[Si7O18(OH)] 751.73
10.33%K Perlialite K8Tl4Al12Si24O72•20(H2O) 3,027.26
10.33%K Humberstonite K3Na7Mg2(SO4)6(NO3)2•6(H2O) 1,135.32
10.31%K Tokkoite K2Ca4[Si7O18(OH)](F,OH) 758.60
10.20%K Boromuscovite KAl2(Si3B)O10(OH,F)2 383.13
10.10%K Ivanyukite-K K2[Ti4(OH)2O2(SiO4)3]•9H2O 774.12
10.07%K Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 388.30
10.06%K Ungemachite K3Na8Fe+++(SO4)6(NO3)2•6(H2O) 1,165.54
10.04%K Manaksite KNaMn++Si4O10 389.36
10.03%K Clinoungemachite K3Na9Fe+++(SO4)6(OH)3•9(H2O)? 1,169.59
10.01%K Avdoninite ! K2Cu5Cl8(OH)4•H2O 765.55
9.95%K Polylithionite KLi2AlSi4O10(F,OH)2 393.12
9.93%K Leucophosphite KFe+++2(PO4)2(OH)•2(H2O) 393.77
9.82%K Litidionite KNaCuSi4O10 397.97
9.81%K Muscovite KAl2(Si3Al)O10(OH,F)2 398.71
9.79%K Trilithionite ! KLi1.5Al1.5AlSi3O10F2 399.21
9.74%K Orlovite KLi2TiSi4O11F 401.25
9.74%K Ferroceladonite ! K2Fe++Fe+++Si8O20(OH)4 802.59
9.72%K Masutomilite K(Li,Al,Mn++)3[(Si,Al)4O10](F,OH)2 402.17
9.72%K Chlorbartonite ! K6Fe24S26(Cl,S) 2,453.28
9.71%K Hyalophane (K,Ba)Al(Si,Al)3O8 302.06
9.68%K Cetineite (K,Na)3+x(Sb2O3)3(Sb2S3)(OH)x•(2.8-x)(H2O) 726.98
9.66%K Aluminoceladonite ! KAl(Mg,Fe++)[]Si4O10(OH)2 404.62
9.65%K Tainiolite KLiMg2Si4O10F2 404.98
9.51%K Roscoelite K(V,Al,Mg)2AlSi3O10(OH)2 411.01
9.44%K Alunite KAl3(SO4)2(OH)6 414.21
9.43%K Tiptopite K2(Na,Ca)2Li3Be6(PO4)6(OH)2•(H2O) 829.47
9.38%K Djerfisherite K6Na(Fe,Cu,Ni)25S26Cl 2,500.72
9.36%K Georgechaoite KNaZrSi3O9•2(H2O) 417.59
9.34%K Eastonite ! KMg2Al[Al2Si2O10](OH)2 418.83
9.33%K Phlogopite KMg3(Si3Al)O10(F,OH)2 419.25
9.29%K Shirokshinite ! K(NaMg2)Si4O10F2 421.03
9.27%K Chromceladonite ! KCrMg(Si4O10)(OH)2 421.75
9.13%K Ferroaluminoceladonite ! K2Fe++2Al2Si8O20(OH)4 856.56
9.11%K Celadonite K(Mg,Fe++)(Fe+++,Al)[Si4O10](OH)2 429.02
9.11%K Boltwoodite HK(UO2)(SiO4)•1.5(H2O) 429.24
9.04%K Fluorcanasite ! K3Na3Ca5Si12O30F4•H2O 1,297.67
9.02%K Biotite * K(Mg,Fe++)3[AlSi3O10(OH,F)2 433.53
8.96%K Gorgeyite K2Ca5(SO4)6•(H2O) 872.98
8.94%K Zinnwaldite KLiFe++Al(AlSi3)O10(F,OH)2 437.10
8.87%K Yakovenchukite-(Y) ! K3NaCaY2(Si12O30)•4H2O 1,256.79
8.76%K Tetraferriphlogopite ! KMg3Fe+++Si3O10(OH)2 446.13
8.74%K Taranakite K3Al5(HPO4)6(PO4)2•18(H2O) 1,342.30
8.73%K Frankamenite ! K3Na3Ca5(Si12O30)[F,(OH)]4•(H2O) 1,298.37
8.73%K Fenaksite (K,Na,Ca)4(Fe++,Fe+++,Mn)2Si8O20(OH,F) 806.42
8.67%K Carnotite K2(UO2)2V2O8•3(H2O) 902.18
8.57%K Kalinite KAl(SO4)2•11(H2O) 456.38
8.53%K Meta-ankoleite K2(UO2)2(PO4)2•6(H2O) 916.29
8.50%K Norrishite K(Mn+++2Li)Si4O10(O)2 460.25
8.48%K Denisovite (K,Na)Ca2Si3O8(F,OH) 345.98
8.44%K Florkeite (K3Ca2Na)[Al8Si8O32]•12H2O 1,389.14
8.44%K Middendorfite ! K3Na2Mn5Si12(O,OH)36•2H2O 1,408.07
8.26%K Kamchatkite KCu++3OCl(SO4)2 473.32
8.24%K Alum-(K) KAl(SO4)2•12(H2O) 474.39
8.13%K Biphosphammite (NH4,K)H2PO4 120.29
8.06%K Siderophyllite KFe++2Al(Al2Si2)O10(F,OH)2 484.90
8.00%K Iquiqueite K3Na4Mg(Cr++++++O4)B24O39(OH)•12(H2O) 1,466.16
7.81%K Jarosite KFe+++3(SO4)2(OH)6 500.81
7.72%K Kosnarite KZr++++2(PO4)3 506.46
7.62%K Annite KFe++3AlSi3O10(OH,F)2 512.88
7.55%K Tetraferriannite K(Fe++,Mg)3(Fe+++,Al)Si3O10(OH)2 517.76
7.52%K Abernathyite K(UO2)(AsO4)•4(H2O) 520.11
7.47%K Olmsteadite KFe++2(Nb,Ta)(PO4)2O2•2(H2O) 523.68
7.43%K Fluorannite ! KFe++3AlSi3O10F2 473.80
7.43%K Willhendersonite KCaAl3Si3O12•5(H2O) 526.45
7.36%K Pitiglianoite Na6K2Si6Al6O24(SO4)•2(H2O) 1,062.62
7.32%K Shirozulite ! KMn3(AlSi3)O10(OH,F)2 480.43
7.32%K Johnwalkite K(Mn++,Fe+++,Fe++)2(Nb,Ta)(PO4)2O2((H2O),OH)2 480.93
7.31%K Jeppeite (K,Ba)2(Ti,Fe+++)6O13 641.51
7.31%K Neskevaaraite-Fe ! NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4•6(H2O) 1,235.20
7.29%K Shibkovite ! K(Ca,Mn,Na)2(K2-x,[]x)2ZnSi12O30(x~0.8) 1,180.17
7.22%K Giuseppettite [Na42K16Ca6]S64Si48Al48O192(SO4)10Cl2•5H2O 8,668.33
7.21%K Paralabuntsovite-Mg ! Na8K8Mg8Ti16(Si4O12)8(O,OH)16•n(H2O) 4,336.11
7.21%K Labuntsovite-Mg ! Na4K4(Ba,K)(Mg,Fe)1+xTi8(Si4O12)4(O,OH)8•10(H2O) 2,384.94
7.14%K Metavoltine K4Na4(Fe++,Zn)Fe+++6(SO4)12O2•20(H2O) 2,189.12
7.14%K IMA2008-065 ! (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) 1,095.61
7.13%K Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 493.25
7.07%K Hazenite KNaMg2(PO4)2•14H2O 552.85
7.06%K Chromphyllite ! (K,Ba)(Cr,Al)2[AlSi3O10](OH,F)2 415.64
7.05%K Eveslogite ! (Ca,K,Na,Sr,Ba)48[(Ti,Nb,Fe,Mn)12(OH)12Si48O144](F,OH,Cl)14 6,800.28
7.02%K Euchlorine KNaCu++3(SO4)3O 556.92
6.95%K Labuntsovite-Fe ! Na4K4(Ba,K)2(Fe,Mg,Mn)1+xTi8(Si4O12)4(O,OH)8•10(H2O) 2,418.89
6.86%K Fluorophlogopite ! KMg3(AlSi3)O10F2 415.82
6.78%K Zippeite K4(UO2)6(SO4)3(OH)10•4(H2O) 2,306.88
6.69%K Nepheline (Na,K)AlSiO4 146.08
6.62%K Shafranovskite K2Na3(Mn++,Fe++,Na)4[Si9(O,OH)27](OH)2•n(H2O),n~2.33 1,051.58
6.59%K Marinellite ! [(Na,**K**)42Ca6](Si36Al36O144)(SO4)8Cl2•6(H2O) 6,673.61
6.58%K Kupletskite K2Na(Mn,Fe++)7(Ti,Nb)2Si8O26(OH)4F 1,337.34
6.57%K Kremersite (NH4,K)2Fe+++Cl5•(H2O) 297.73
6.53%K Fuenzalidaite K6(Na,K)4Na6Mg10(SO4)12(IO3)12•12(H2O) 4,191.42
6.52%K Clinoptilolite-K (Na,K,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,830.35
6.36%K Bystrite (Na,K)7Ca(Si6Al6)O24S4.5•(H2O) 1,106.92
6.32%K Challacolloite ! KPb2Cl5 630.83
6.32%K Volkovskite KCa4[B5O8(OH)4][B(OH)3]Cl•4(H2O) 618.83
6.30%K Gjerdingenite-Fe ! K2[(H2O)2(Fe,Mn)][(Nb,Ti)4(Si4O12)2(O,OH)4]•4(H2O) 1,242.18
6.27%K Montdorite (K,Na)(Fe++,Mn++,Mg)2.5[Si4O10](F,OH)2 467.53
6.25%K Merlinoite (K,Ca,Na,Ba)7Si23Al9O64•23(H2O) 2,625.60
6.25%K Gmelinite-K ! (K,Na,Ca)6(Al7Si17O48)•22(H2O) 2,032.96
6.22%K Canasite (Na,K)6Ca5Si12O30(OH,F)4 1,257.57
6.21%K Moskvinite-(Y) ! Na2K(Y,REE)[Si6O15] 598.41
6.14%K Yuksporite (Sr,Ba)2K4(Ca,Na)14([],Mn,Fe){(Ti,Nb)4(O,OH)4[Si6O17]2[Si2O7]3}(H2O,OH)n,n~3 2,546.97
6.13%K Magnesioastrophyllite K2Na[Na(Fe++,Fe+++,Mn)Mg2]Ti2Si8O26(OH)4F 1,275.02
6.13%K Gobbinsite (Na2,Ca)2K2Al6Si10O32•12(H2O) 1,339.93
6.10%K Kalifersite ! (K,Na)5Fe+++7Si20O50(OH)6•12(H2O) 2,242.17
6.07%K Kuzmenkoite-Mn ! (K,Na)2(Mn,Fe)(Ti,Nb)4[Si4O12]2(OH)4•5(H2O) 1,095.05
6.07%K Astrophyllite K2Na(Fe++,Mn)7Ti2Si8O26(OH)4 1,289.00
6.06%K Franzinite [(Na,K)30Ca10][Si30Al30O120](SO4)10•2(H2O) 5,804.06
6.03%K Illite * (K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2,(H2O)] 389.34
5.98%K Vuoriyarvite-K ! (K,Na)2(Nb,Ti)2Si4O12(O,OH)2•4(H2O) 654.35
5.96%K Labuntsovite-Mn ! Na4K4(Ba,K)(Mn,Fe)1+x(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O),n=10-12 2,232.12
5.94%K Sitinakite Na2K(Ti,Nb)4O4(SiO4)2(O,OH)•4(H2O) 658.10
5.91%K Latiumite (Ca,K)8(Al,Mg,Fe)(Si,Al)10O25(SO4) 1,124.01
5.80%K Selwynite NaK(Be,Al)Zr2(PO4)4•2(H2O) 673.96
5.79%K Lemmleinite-Ba ! Na2K2Ba1-xTi4(Si4O12)2(O,OH)4•5(H2O) 2,498.97
5.72%K Odintsovite K2Na4Ca3Ti2Be4Si12O38 1,367.20
5.70%K Hummerite KMgV+++++5O14•8(H2O) 686.22
5.68%K Niobokupletskite ! K2Na(Mn,Zn,Fe)7(Nb,Zr,Ti)2Si8O26(OH)4(O,F) 1,377.37
5.63%K Davyne Na4K2Ca2Si6Al6O24(SO4)Cl2 1,084.25
5.61%K Niobophyllite K2Na(Fe++,Mn)7(Nb,Ti)2Si8O26(OH)4(F,O) 1,394.28
5.59%K Sogdianite (K,Na)2(Li,Fe+++,Al)3ZrSi12O30 1,049.22
5.57%K Miserite K1.5-x(Ca,Y,REE)5[Si6O15][Si2O7](OH,F)2•yH2O 933.24
5.57%K Alloriite ! Na5K1.5Ca(Si6Al6O24)(SO4)(OH)0.5•H2O 4,362.65
5.49%K Glauconite (K,Na)(Fe+++,Al,Mg)2(Si,Al)4O10(OH)2 426.93
5.48%K Lecontite (NH4,K)Na(SO4)•2(H2O) 178.39
5.47%K Tsepinite-K ! (K,Ba,Na)2(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) 614.51
5.46%K Carlosruizite K6(Na,K)4Na6Mg10(Se++++++O4)12(IO3)12•12(H2O) 4,438.69
5.46%K Kaliborite KHMg2B12O16(OH)10•4(H2O) 716.56
5.40%K Zemkorite (Na,K)2Ca(CO3)2 217.22
5.35%K Monsmedite ? H8K2Tl2(SO4)8•11(H2O) 1,461.70
5.32%K Cryptomelane K(Mn++++,Mn++)8O16 734.59
5.32%K Dusmatovite K(K,Na,[])(Mn++,Y,Zr)2(Zn,Li)3Si12O30 1,176.31
5.28%K Lovdarite K2Na6Be4Si14O36•9(H2O) 1,466.77
5.26%K Shlykovite KCa[Si4O9(OH)]•3H2O 743.59
5.22%K Alumopharmacosiderite KAl4(AsO4)3(OH)4•6•5(H2O) 748.91
5.20%K Merrihueite (K,Na)2(Fe++,Mg)5Si12O30 1,126.96
5.19%K Tounkite (Na,Ca,K)8Al6Si6O24(SO4)2Cl•(H2O) 1,204.49
5.19%K Gutkovaite-Mn ! CaK2Mn(Ti,Nb)4(Si4O12)2(O,OH)4•5(H2O) 1,243.09
5.17%K Armbrusterite ! K5Na6Mn+++Mn++14[Si9O22]4(OH)10•4H2O 3,806.38
5.17%K Hydrodelhayelite KCa2AlSi7O17(OH)2•6(H2O) 756.93
5.16%K Rastsvetaevite ! Na27K8Ca12Fe3Zr6Si52O144(O,OH,H2O)6Cl2 6,063.62
5.13%K Ashcroftine-(Y) K5Na5(Y,Ca)12Si28O70(OH)2(CO3)8•8(H2O) 3,810.20
5.00%K Lourenswalsite (K,Ba)2(Ti,Mg,Ca,Fe)4(Si,Al,Fe)6O14(OH)12 937.50
4.96%K Quadridavyne (Na,K)6Ca2Al6Si6O24Cl4 1,103.19
4.92%K Priderite (K,Ba)(Ti,Fe+++)8O16 715.42
4.83%K Ammonioleucite (NH4,K)AlSi2O6 202.45
4.82%K Paulingite-K (K2,Ca,Na2,Ba)5Al10Si35O90•45(H2O) 3,601.72
4.81%K Gjerdingenite-Mn ! (K,Na)2(Mn,Fe)(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) 2,494.47
4.78%K Senekevichite ! CsKNaCa2TiO[Si7O18(OH)] 817.63
4.78%K Mountainite (Ca,Na2,K2)2Si4O10•3(H2O) 409.00
4.77%K Diversilite-(Ce) ! Na2(Ba,K)6Ce2Fe++Ti3Si12O36(OH)3(OH,H2O)9 2,272.68
4.76%K Kuzmenkoite-Zn ! K2Zn(Ti,Nb)4(Si4O12)2(OH,O)4•6-8(H2O) 1,214.76
4.73%K Phillipsite-K ! (K,Na,Ca)1-2(Si,Al)8O16•6(H2O) 661.10
4.72%K Francoanellite H6(K,Na)3(Al,Fe+++)5(PO4)8•13(H2O) 1,242.49
4.68%K Sacrofanite (Na,Ca,K)9Si6Al6O24[(OH),(SO4),(CO3),Cl)]4•n(H2O) 1,168.52
4.67%K Zircophyllite K2(Na,Ca)(Mn,Fe++)7(Zr,Nb)2Si8O26(OH)4F 1,423.34
4.66%K Satimolite KNa2Al4(B2O5)3Cl3•13(H2O) 838.41
4.65%K Chabazite-K ! (K2,Ca,Na2,Mg)[Al2Si4O12]•6(H2O) 504.66
4.59%K Ashcroftine-(Ce) * K5Na5(Ce,Ca)12Si28O70(OH)2(CO3)8•8(H2O) 4,256.27
4.54%K IMA2009-009 KNa2Li(Mg,Fe)2Ti2Si8O24 860.83
4.50%K Yingjiangite (K2,Ca)(UO2)7(PO4)4(OH)6•6(H2O) 2,607.53
4.48%K Pharmacosiderite KFe+++4(AsO4)3(OH)4•6-7(H2O) 873.38
4.47%K Monteregianite-(Y) (Na,K)6(Y,Ca)2Si16O38•10(H2O) 1,574.86
4.44%K Farneseite ! (Na37K9Ca10)S56(Si42Al42)S84O168(SO4)12•6(H2O) 8,075.57
4.39%K Mantienneite KMg2Al2Ti(PO4)4(OH)3•15(H2O) 890.69
4.39%K Erionite-K ! (K2,Ca,Na2)2[Al4Si14O36]•15(H2O) 2,958.94
4.38%K Gengenbachite KFe3(H2PO4)2(HPO4)4•6H2OorKFe3H8(PO4)6•6H2O 892.62
4.38%K Apophyllite-(KOH) KCa4Si8O20(OH,F)•8(H2O) 759.07
4.37%K Apophyllite-(KF) (K,Na)Ca4Si8O20(F,OH)•8(H2O) 760.47
4.31%K Manganoneptunite KNa2Li(Mn,Fe++)2Ti2Si8O24 906.78
4.31%K Apophyllite * KCa4(Si4O10)2F•8(H2O) 907.20
4.31%K Neptunite KNa2Li(Fe++,Mn)2Ti2Si8O24 907.69
4.29%K Spodiophyllite ? (Na,K)4(Mg,Fe++)3(Fe+++,Al)2(Si8O24) 910.57
4.28%K Poudretteite KNa2B3Si12O30 912.90
4.22%K Liottite (Ca,Na,K)8(Si,Al)12O24[(SO4),(CO3),Cl,OH]4•(H2O) 1,204.89
4.20%K Yimengite K(Cr,Ti,Fe,Mg)12O19 837.35
4.19%K IMA2007-015 K(CaNa)(Fe++3Al2)(Si6Al2)O22(OH)2 932.15
4.18%K Weeksite K2(UO2)2Si6O15•4(H2O) 1,028.91
4.14%K Magbasite KBa(Al,Sc)(Mg,Fe++)6Si6O20F2 943.31
4.12%K Fluoro-potassichastingsite ! KCa2(Fe++2,Mg2,Fe+++)S5(Si6Al2)8O22F2 947.86
4.06%K Watatsumiite ! Na2KMn2LiV2Si8O24 905.03
4.06%K Sveite KAl7(NO3)4Cl2(OH)16•8(H2O) 963.13
4.02%K Direnzoite ! NaK6MgCa2(Al13Si47O120)•36H2O 4,597.25
4.02%K Berezanskite ! KLi3Ti2Si12O30 972.69
4.00%K Pertlikite ! K2(Fe++,Mg)2(Mg,Fe+++)4Fe+++2Al(SO4)12•18H2O 1,933.91
4.00%K Potassic-ferropargasite KCa2(Fe++4Al)Si6Al2O22(OH)2 978.10
3.95%K Milarite K2Ca4Al2Be4Si24O60•(H2O) 1,980.55
3.94%K Oftedalite ! (Sc,Ca)2KBe3Si12O30 973.03
3.92%K Chabazite-Na ! (Na2,K2,Ca,Mg)[Al2Si4O12]•6(H2O) 1,046.27
3.89%K Compreignacite K2(UO2)6O4(OH)6•8(H2O) 2,008.53
3.87%K Ganophyllite (K,Na)2(Mn,Al,Mg)8(Si,Al)12O29(OH)7•8-9(H2O) 1,514.20
3.87%K Matveevite ? KTiMn2Fe+++2(PO4)4(OH)3•15(H2O) 1,009.69
3.85%K Rameauite K2CaU++++++6O20•9(H2O) 2,028.57
3.85%K Voltaite K2Fe++5Fe+++3Al(SO4)12•18(H2O) 2,028.99
3.82%K Eifelite KNa3Mg4Si12O30 1,022.30
3.79%K Organovaite-Mn ! K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) 2,372.13
3.78%K Spheniscidite (NH4,K)(Fe+++,Al)2(PO4)2(OH)•2(H2O) 413.28
3.77%K Zincovoltaite K2Zn5Fe+++3Al(SO4)12•18(H2O) 2,076.71
3.77%K Rhodizite (K,Cs)Al4Be4(B,Be)12O28 778.83
3.76%K Chayesite K(Mg,Fe++)4Fe+++(Si12O30) 1,040.72
3.75%K Vishnevite (Na,Ca,K)6(Si,Al)12O24[(SO4),(CO3),Cl2]2-4•n(H2O) 1,041.34
3.75%K Batisite BaNaNaTi2O2[Si4O12] 624.94
3.71%K Haigerachite ! KFe+++3(H2PO4)6(HPO4)2•4(H2O) 1,052.58
3.70%K Arapovite ! (U,Th)(Ca,Na)2(K1-x[]x)Si8O20•H2O,x=0.5 897.66
3.67%K Anorthoclase (Na,K)AlSi3O8 266.25
3.63%K Paulkerrite K(Mg,Mn)2(Fe+++,Al)2Ti(PO4)4(OH)3•15(H2O) 970.02
3.61%K Phillipsite-Na (Na,K,Ca)1-2(Si,Al)8O16•6(H2O) 649.86
3.56%K Phillipsite-Ca ! (Ca,K,Na)1-2(Si,Al)8O16•6(H2O) 658.41
3.52%K Potassicrichterite ! (K,Na)(CaNa)2Mg5[Si8O22](OH,F)2 832.34
3.52%K Burnsite ! KCdCu7O2(SeO3)2Cl9 1,200.93
3.51%K Potassic-fluororichterite ! (K,Na)(CaNa)Mg5[Si8O22]F2 834.33
3.51%K Brannockite KSn2Li3Si12O30 1,114.35
3.47%K Darapiosite KNa2Zr[Li(Mn,Zr)2Si12O30] 1,128.27
3.46%K Friedrichbeckeite ! K([],Na)Mg2(Be2Mg)Si12O30 982.67
3.46%K Calcioandyrobertsite-1M ! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) 1,129.55
3.46%K Calcioandyrobertsite-2O ! KCaCu5(AsO4)4[As(OH)2O2]•2(H2O) 1,129.55
3.41%K IMA2008-006 ! [Na82.5Ca33**K**16.5](Si99Al99O396)(SO4)33•4H2O 18,893.91
3.36%K Almarudite ! K([],Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30] 1,000.32
3.33%K Potassiccarpholite ! (K,Na,[])(Li,Mn++)2Al)4Si4O12(OH)4(F,OH)4 656.83
3.31%K Oxykinoshitalite ! (Ba,K)(Mg,Fe++,Ti)3(Si,Al)4O10O2 507.95
3.30%K Englishite K3Na2Ca10Al15(PO4)21(OH)7•26(H2O) 3,550.62
3.29%K Klochite ([]1Na1)KFe2Zn3[Si12O30] 1,186.96
3.28%K Nabokoite Cu++7Te++++O4(SO4)5•KCl 1,191.29
3.27%K Lemoynite (Na,K)2CaZr2Si10O26•5-6(H2O) 1,075.15
3.26%K Gjerdingenite-Na ! (K,Na)2Na(Nb,Ti)4(Si4O12)2(OH,O)4•5H2O 1,175.50
3.26%K Potassic-magnesiosadanagaite (K,Na)Ca2(Mg,Fe++,Al,Ti)5[(Si,Al)8O22](OH)2 900.44
3.25%K Ilimaussite-(Ce) (Ba,Na)10K3Na4.5Ce5(Nb,Ti)6[Si12O36][Si9O18(O,OH)24]O6 4,253.30
3.25%K Andyrobertsite ! KCdCu5(AsO4)4[As(OH)2O2]•2(H2O) 1,201.88
3.24%K Microsommite (Na,Ca,K)7-8(Si,Al)12O24(Cl,SO4)2-3 1,086.58
3.24%K Heulandite-K ! (K,Na,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,900.18
3.23%K Faizievite ! K2Na(Ca6Na)Ti4Li6Si24O66F2 2,384.24
3.22%K Kinoshitalite (Ba,K)(Mg,Mn,Al)3Si2Al2O10(OH)2 485.68
3.21%K Jonesite Ba2(K,Na)[Ti2(Si5Al)O18•n(H2O) 914.93
3.20%K Rhodesite KHCa2Si8O19•5(H2O) 732.57
3.19%K Tuscanite K(Ca,Na)6(Si,Al)10O22(SO4,CO3,(OH)2)•(H2O) 1,101.39
3.15%K Sadanagaite (K,Na)Ca2(Fe++,Mg,Al,Ti)5[(Si,Al)8O22](OH)2 931.99
3.13%K Stilpnomelane K(Fe++,Mg,Fe+++)8(Si,Al)12(O,OH)27•n(H2O) 1,247.57
3.13%K Megacyclite Na8KSi9O18(OH)9•19(H2O) 1,250.12
3.12%K Rubicline ! (Rb,K)AlSi3O8 313.11
3.09%K Chessexite (K,Na)4Ca2Mg3Al8(SiO4)2(SO4)10(OH)10•40(H2O) 2,528.59
3.09%K Atlasovite Cu6Fe+++Bi+++O4(SO4)5•KCl 1,264.97
3.07%K Suhailite ! (NH4)Fe3(Si3Al)O10(OH)2 445.65
3.07%K Ferrierite-K ! (K,Na)2Mg(Si,Al)18O36•9(H2O) 2,612.03
3.06%K Paulingite-Ca ! (Ca,K,Na,Ba)5[Al10Si35O84]•34(H2O) 3,410.06
3.05%K Organovaite-Zn ! K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4•6(H2O) 2,439.14
3.04%K Sugilite KNa2(Fe+++,Mn+++,Al)2Li3Si12O30 1,041.66
3.03%K Potassicsadanagaite ! (K,Na)Ca2[Fe++3(Al,Fe+++)2][Si5Al3O22](OH)2 966.86
3.03%K Delhayelite (Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3•18(H2O) 3,231.17
2.99%K Herschelite ? (Na,Ca,K)AlSi2O6•3(H2O) 261.30
2.99%K Gjerdingenite-Ca ! K2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•6H2O 1,216.40
2.97%K Ferrokinoshitalite ! (Ba,K)(Fe++,Mg)3(Si2Al2)O10(OH,F)2 526.29
2.96%K Offretite (K2,Ca,Mg)2.5Al5Si13O36•15(H2O) 1,453.72
2.95%K Barytolamprophyllite Ba2Na3(Fe+++,Ti)3(Si2O7)2(O,OH,F)4 807.31
2.89%K Osumilite-(Mg) (K,Na)(Mg,Fe++)2(Al,Fe+++)3(Si,Al)12O30 1,015.74
2.88%K Eirikite ! KNa6Be2(Si15Al3)O39F2 1,359.26
2.85%K Carletonite KNa4Ca4Si8O18(CO3)4(OH,F)•(H2O) 1,027.61
2.84%K Steacyite K1-x(Ca,Na)2ThSi8O20(x=0.2to0.4) 825.70
2.83%K Meurigite-K ! [K(H2O)2.5][Fe+++8(PO4)6(OH)7(H2O)4] 1,258.57
2.81%K Katayamalite (K,Na)Ca7Li3Ti2[Si6O18]2(OH,F)2 1,389.99
2.80%K Osumilite-(Fe) (K,Na)(Fe++,Mg)2(Al,Fe+++)3(Si,Al)12O30 1,047.28
2.78%K Erionite-Na (Na2,K2,Ca)2[Al4Si14O36]•15(H2O) 2,809.97
2.78%K Baratovite KCa7(Ti,Zr)2Li3Si12O36F2 1,408.90
2.72%K Prewittite ! KPb1.5ZnCu6O2(SeO3)2Cl10 1,437.01
2.72%K Potassicarfvedsonite ! KNa2Fe++4Fe+++Si8O22(OH)2 962.95
2.68%K Potassicleakeite ! KNa2Mg2Fe+++2LiSi8O22(OH)2 876.72
2.67%K Turkestanite ! Th(Ca,Na)2(K1-x,[]x)Si8O20•n(H2O) 879.42
2.65%K Mazzite-Mg K2CaMg2(Al,Si)36O72•28(H2O) 2,808.04
2.63%K Iraqite-(La) K(La,Ce,Th)2(Ca,Na)4(Si,Al)16O40 1,634.63
2.62%K Omongwaite ! Na2Ca5(SO4)6•3H2O 880.31
2.62%K Fedorite KNa4Ca4(Al,Si)16O36(OH,F)4•6(H2O) 1,493.94
2.56%K IMA2009-004 KCa7Sn2Li3Si12O36F2 1,528.89
2.55%K Potassicferrisadanagaite ! (K,Na)Ca2(Fe++,Mg)2(Fe+++,Al)2[Si5Al3O22](OH,F,O)2 951.81
2.52%K Hydrobiotite [K(Mg,Fe)3(Al,Fe)Si3O10(OH,F)2]•[(Mg,Fe++,Al)3(Si,Al)4O10(OH)2•4(H2O)] 464.62
2.52%K Potassic-chloropargasite ! (K,Na)Ca2(Mg,Fe2+)4Al(Si6Al2O22)(Cl,OH)2 930.36
2.51%K Lennilenapeite K6-7(Mg,Mn,Fe++,Fe+++,Zn)48(Si,Al)72(O,OH)216•16(H2O) 8,425.53
2.50%K Hanksite KNa22(SO4)9(CO3)2Cl 1,564.92
2.50%K Ganterite ! [Ba0.5(Na,K)0.5]Al2(Si2.5Al1.5O10)(OH)2 438.39
2.50%K Chloro-potassichastingsite ! KCa2(Fe++3MgFe+++)(Si6Al2)S8O22Cl2 1,002.11
2.44%K Parakuzmenkoite-Fe ! (K,Ba)2Fe(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) 2,567.15
2.43%K Kalipyrochlore (H2O,Sr)(Nb,Ti)(O,OH)6•(H2O,K) 321.15
2.42%K Panethite (Na,Ca,K)2(Mg,Fe++,Mn)2(PO4)2 323.06
2.41%K Sosedkoite (K,Na)5Al2(Ta,Nb)22O60 5,030.82
2.41%K Margaritasite (Cs,K,H3O)2(UO2)2V2O8•(H2O) 974.70
2.36%K Potassic-chlorohastingsite ! (K,Na)Ca2(Fe++,Mg)4Fe+++[Si6Al2O22](Cl,OH)2 994.80
2.28%K Afghanite (Na,Ca,K)8(Si,Al)12O24(SO4,Cl,CO3)3•(H2O) 1,200.45
2.24%K Ajoite (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O) 3,926.74
2.24%K Potassic-magnesiohastingsite ! (K,Na)Ca2(Mg,Fe++,Fe+++,Al)5(Si,Al)8O22(OH,Cl)2 925.11
2.24%K Nalivkinite ! Li2NaFe++7Ti2Si8O24(OH)4F 1,309.53
2.19%K Chabazite-Sr ! (Sr,Ca,K2,Na2)[Al2Si4O12]•6(H2O) 534.42
2.18%K Obradovicite H4(K,Na)Cu++Fe+++2(AsO4)(MoO4)5•12(H2O) 1,257.18
2.17%K Natropharmacosiderite (Na,K)2Fe+++4(AsO4)3(OH)5•7(H2O) 902.63
2.16%K Potassicpargasite ! (K,Na)Ca2(Mg,Fe++)5Si8O22(OH,F)2 906.89
2.09%K Aqualite ! (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl 2,812.45
2.08%K Tobelite (NH4,K)Al2(Si3Al)O10(OH)2 376.27
2.07%K Erionite-Ca ! (Ca,K2,Na2)2[Al4Si14O36]•15(H2O) 2,904.81
2.07%K Paranatrolite Na2[Al2Si3O10]•3(H2O) 415.43
2.01%K Dachiardite-Ca (Ca,Na2,K2)5Al10Si38O96•25(H2O) 1,792.84
1.99%K Jinshajiangite Na2K5BaCa(Fe,Mn)8(Ti,Fe,Nb,Zr)4Si8O32(O,F,H2O)6 1,770.72
1.99%K Alsakharovite-Zn ! NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) 1,240.78
1.92%K Arrojadite-(KFe) ! KNa2CaNa2(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,033.08
1.92%K Fluorarrojadite-(KNa) ! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(F,OH)2 2,035.07
1.91%K Dickinsonite-(KNaNa) ! KNaNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,052.34
1.90%K Dorallcharite (Tl,K)Fe+++3(SO4)2(OH)6 616.51
1.89%K Clinoptilolite-Na ! (Na,K,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,703.72
1.89%K Roedderite (Na,K)2(Mg,Fe++)5Si12O30 1,031.99
1.88%K Ferritungstite (K,Ca,Na)(W++++++,Fe+++)2(O,OH)6•(H2O) 416.40
1.87%K Burovaite-Ca ! (K,Na)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8•12H2O 2,235.05
1.84%K Coombsite ! K(Mn++,Fe++,Mg)13(Si,Al)18O42(OH)14 2,127.66
1.84%K Londonite ! CsAl4Be4(B,Be)12O28 808.60
1.83%K Gainesite Na2Zr2Be(PO4)4•1-2(H2O) 639.49
1.82%K Tsepinite-Ca ! (Ca,K,Na,[])2(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) 1,200.24
1.82%K Zussmanite K(Fe++,Mg,Mn)13[AlSi17O42](OH)14 2,147.17
1.82%K Dellaventuraite ! NaNa2(Mg2,Mn+++,Li,Ti)Si8O22O2 859.87
1.82%K Arrojadite ! KNa4CaMn++4Fe++10Al(PO4)12(OH,F)2 2,151.01
1.81%K Birnessite (Na,Ca,K)x(Mn++++,Mn+++)2O4•1.5(H2O) 215.71
1.81%K Dickinsonite-(KNa) ! KNa4Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,160.41
1.78%K Haineaultite ! (Na,Ca)5Ca(Ti,Nb)5(Si,S)12O34(OH,F)8•5(H2O) 1,557.11
1.78%K Ferrierite-Mg (Mg,Na,K)2Mg(Si,Al)18O36•9(H2O) 2,612.43
1.67%K Paulingite-Na ! (Na2,K2,Ca,Ba)5Al10Si35O90•45(H2O) 3,756.91
1.65%K Anandite (Ba,K)(Fe++,Mg)3(Si,Al,Fe)4O10(S,OH)2 593.15
1.64%K Lepkhenelmite-Zn ! Ba2Zn(Ti,Nb)4(Si4O12)2(O,OH)4•7(H2O) 1,261.08
1.61%K Hydroastrophyllite (H3O,K)2Ca(Fe+++,Mn)5-6Ti2Si8O26(OH)4F 1,213.30
1.60%K Arrojadite-(KNa) ! KNa4Ca(Fe,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,033.01
1.58%K Bellbergite (K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72•30(H2O) 3,214.44
1.57%K Agrinierite (K2,Ca,Sr)U3O10•4(H2O) 998.94
1.56%K Surkhobite ! KBa3Ca2Na2(Mn,Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4(F,O,OH)8 3,523.22
1.56%K Phosphofibrite KCuFe+++15(PO4)12(OH)12•12(H2O) 2,500.28
1.56%K Reyerite (Na,K)4Ca14Si22Al2O58(OH)8•6(H2O) 2,513.12
1.55%K Minehillite (K,Na)2-3Ca28(Zn4Al4Si40)O112(OH)16 4,786.44
1.55%K Barrerite (Na,K,Ca)2Al2Si7O18•6(H2O) 2,680.57
1.54%K Nielsbohrite ! K(UO2)3(AsO4)(OH)4•H2O 1,093.26
1.53%K Dachiardite-Na (Na2,Ca,K2)4Al4Si20O48•13(H2O) 1,808.84
1.50%K Clinoptilolite-Ca ! (Ca,Na,K)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,742.13
1.50%K Phosphuranylite KCa(H3O)3(UO2)7(PO4)4O4•8(H2O) 2,614.45
1.47%K Yagiite (Na,K)3Mg4(Al,Mg)6(Si,Al)24O60 1,991.71
1.45%K Ferrierite-Na ! (Na,K)2Mg(Si,Al)18O36•9(H2O) 2,606.68
1.44%K Rankamaite (Na,K,Pb,Li)3(Ta,Nb,Al)11(O,OH)30 2,177.26
1.43%K Paratsepinite-Ba ! (Ba,Na,K)2-x(Ti,Nb)2(Si4O12)(OH,O)2•4(H2O) 628.25
1.43%K Tuhualite [](Na,**K**)Fe++Fe+++[Si6O15] 546.41
1.42%K Karupmollerite-Ca ! (Na,Ca,K)2Ca(Nb,Ti)4(Si4O12)2(O,OH)4•7(H2O) 1,211.35
1.42%K Fluoro-magnesio-arfvedsonite ! NaNa2(Mg,Fe++)4Fe+++[Si8O22](F,OH)2 828.15
1.41%K Straczekite (Ca,K,Ba)(V5+,V4+)8O20•3H2O 831.07
1.40%K Natroboltwoodite (H3O)(Na,K)(UO2)SiO4•(H2O) 696.19
1.39%K Mathiasite (K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 1,682.56
1.38%K Bannermanite (Na,K)0.7V+++++6O15 564.95
1.34%K Kupletskite-(Cs) (Cs,K)2Na(Mn,Fe++,Li)7(Ti,Nb)2Si8O26(OH)4F 1,455.85
1.34%K Sampleite NaCaCu5(PO4)4Cl•5(H2O) 875.95
1.33%K Pahasapaite Li8(Ca,Li,K,Na)11Be24(PO4)24•38(H2O) 3,532.65
1.30%K Zimbabweite Na(Pb,Na,K)2(Ta,Nb,Ti)4As+++4O18 1,498.05
1.30%K Tsepinite-Na ! (Na,H3O,K,Sr,Ba)2(Ti,Nb)2[Si4O12](OH,O)2•3(H2O) 2,397.82
1.25%K Katophorite Na(CaNa)Fe++4(Al,Fe+++)Si7AlO22(OH)2 939.86
1.24%K Franklinphilite (K,Na)4(Mn++,Mg,Zn)48(Si,Al)72(O,OH)216•6(H2O) 8,207.63
1.22%K Benyacarite (H2O,K)2Ti(Mn++,Fe++)2(Fe+++,Ti)2Ti(PO4)4(O,F)2•14(H2O) 959.61
1.20%K Vinogradovite (Na,K)4Ti4(Si,Al)8O26•3(H2O,Na) 976.77
1.20%K Millisite (Na,K)CaAl6(PO4)4(OH)9•3(H2O) 815.98
1.20%K Paratsepinite-Na ! (Na,Sr,K,Ca)7(Ti,Nb)8[Si4O12]4(O,OH)8•n(H2O)n~8 2,286.52
1.11%K Perraultite (Na,Ca)2(Ba,K)2(Mn++,Fe++)8(Ti,Nb)4Si8O32(OH,F,O)6 1,766.01
1.09%K Tsepinite-Sr ! (Sr,Ba,K)(Ti,Nb)2(Si4O12)(OH,O)2•3(H2O) 572.95
1.09%K Chivruaiite ! Ca4(Ti,Nb)5[(Si6O17)2[(OH,O)5]•13-14H2O 1,585.23
1.06%K Manjiroite (Na,K)(Mn++++,Mn++)8O16•n(H2O) 739.94
1.05%K Panichiite ! (NH4)2SnCl6 371.89
1.04%K Natrolemoynite ! Na4Zr2Si10O26•9(H2O) 1,128.53
0.99%K Fluoro-magnesiohastingsite ! (Na,K)Ca2(Mg,Fe+++,Ti)5(Si,Al)8O22F2 866.18
0.97%K Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 403.47
0.97%K Minamiite (Na,Ca,K)Al3(SO4)2(OH)6 404.84
0.96%K Levyne-Na ! (Na2,Ca,K2)Al2Si4O12•6(H2O) 1,540.68
0.96%K Tschortnerite ! Ca4(Ca,Sr,K,Ba)3Cu3(OH)8[Si12Al12O48]•x(H2O),x>=20 2,445.93
0.95%K Aspidolite NaMg3AlSi3O10(OH)2 410.89
0.93%K Fluoro-edenite ! NaCa2Mg5Si7AlO22(F,OH)2 837.03
0.93%K Labyrinthite ! (Na,K,Sr)35Ca12Fe3Zr6TiSi51O144(O,OH,H2O)9Cl3 6,108.05
0.92%K Dickinsonite-(KMnNa) ! KNaMnNa3Ca(Mn,Fe,Mg)13Al(PO4)11(PO4)(OH,F)2 2,117.87
0.92%K Dickinsonite ! KNa4Ca(Mn++,Fe++)14Al(PO4)12(OH)2 2,132.64
0.89%K Sobotkite ? (K,Ca0.5)0.33(Mg,Al)3(Si3Al)O10(OH)2•1-5(H2O) 441.54
0.88%K Delindeite Ba2(Na,K,[])3(Ti,Fe)[Ti2(O,OH)4Si4O14](H2O,OH)2 886.43
0.85%K Povondraite ! (Na,K)(Fe+++,Fe++)3(Fe,Mg,Al)6(BO3)3Si6O18(OH)4 1,156.50
0.84%K Bannisterite KCa(Mn,Fe++,Zn,Mg)21(Si,Al)32O76(OH)16•4-12(H2O) 3,734.70
0.83%K Biachellaite (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5•H2O 1,172.24
0.83%K Kapitsaite-(Y) ! (Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F] 1,419.80
0.80%K Bariumbannisterite * (K,H3O)(Ba,Ca)(Mn++,Fe++,Mg)21(Si,Al)32O80(O,OH)16•4-12(H2O) 3,648.84
0.79%K Heulandite-Na ! (Na,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,725.48
0.77%K Nabalamprophyllite ! Ba(Na,Ba){Na3Ti[Ti2O2Si4O14](OH,F)2} 810.56
0.76%K Nenadkevichite ! (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)•2(H2O) 308.14
0.76%K Fluoropargasite ! NaCa2(Mg3Fe++Al)5(Si6Al2O22)F2 879.14
0.76%K Nechelyustovite ! (Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}•4.5H2O 880.23
0.75%K Chabazite-Ca (Ca0.5,Na,K)4[Al4Si8O24]•12H2O 1,039.07
0.75%K Menezesite ! Ba2MgZr4(BaNb12O42)•12H2O 2,778.48
0.74%K Hyalotekite (Ba,Pb,Ca,K)6(B,Si,Al)2(Si,Be)10O28(F,Cl) 1,474.06
0.74%K Paravinogradovite ! (Na,[ ])2(Ti,Fe+++)4(Si2O6)2(Si3AlO10)(OH)4•H2O 902.89
0.71%K Corvusite (Na,Ca,K)V8O20•4(H2O) 829.26
0.70%K Bario-olgite ! Na(Ba,Sr,Na,REE)PO4 223.77
0.69%K Tamaite ! (Ca,K,Ba,Na)3-4Mn24(Si,Al)40(O,OH)112•21(H2O) 4,822.34
0.68%K Parsettensite (K,Na,Ca)(Mn,Al)7Si8O20(OH)8•2(H2O)(?) 1,150.86
0.64%K Corrensite (Ca,Na,K)(Mg,Fe,Al)9(Si,Al)8O20(OH)10•n(H2O) 1,227.19
0.63%K Ferriwhittakerite ! Na(NaLi)(Mg2Fe+++2Li)Si8O22(OH)2 867.82
0.61%K Innelite (Na,Mg,Ca)2(Ba,K)4Ti3(Si2O7)2(SO4)2(OH,F) 1,284.02
0.61%K Kazakovite Na6Mn++TiSi6O18 645.92
0.60%K Lalondeite ! (Na,Ca)6(Ca,Na)3Si16O38(F,OH)2•3(H2O) 1,441.00
0.60%K Heulandite-Ca (Ca,Na)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,825.14
0.57%K Larisaite ! Na(H3O)(UO2)3(SeO3)2O2•4(H2O) 1,235.71
0.57%K Bykovaite ! BaNa{(Na,Ti)4[(Ti,Nb)2(OH,O)3Si4O14](OH,F)2}•3H2O 824.26
0.55%K Harmotome (Ba,Na,K)1-2(Si,Al)8O16•6(H2O) 704.93
0.55%K Fluorarrojadite-(BaFe) ! (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(PO4)11(PO3OH)(F,OH)2 2,116.63
0.55%K Parwanite (Na,K)(Mg,Ca)4Al8(PO4)8(CO3)(OH)7•30H2O 1,775.14
0.52%K Levyne-Ca (Ca,Na2,K2)Al2Si4O12•6(H2O) 1,506.86
0.52%K Caryochroite ! (Na,Sr)3(Fe+++,Mg)10[Ti2Si12O37](O,OH)9•8H2O 1,968.92
0.50%K Rectorite (Na,Ca)Al4(Si,Al)8O20(OH)4•2(H2O) 784.18
0.49%K Phosphovanadylite ! (Ba,Ca,K,Na)x[(V,Al)4P2(O,OH)16]•12(H2O)x~0.66 795.71
0.48%K Heulandite-Ba ! (Ba,Ca,K,Na,Sr)5Al9Si27O72•22(H2O) 2,990.65
0.48%K Rhonite Ca2(Mg,Fe++,Fe+++,Ti)6(Si,Al)6O20 814.43
0.47%K Winchite [ ](CaNa)Mg4(Al,Fe3+)Si8O22(OH)2 828.18
0.45%K Landauite NaMnZn2(Ti,Fe+++)6Ti12O38 1,730.91
0.45%K Carbokentbrooksite ! (Na,[ ])12(Na,Ce)3Ca6Mn3Zr3Nb(Si25O73)(OH)3(CO3)•H2O 3,121.55
0.45%K Mordenite (Ca,Na2,K2)Al2Si10O24•7(H2O) 874.11
0.44%K Vanuranylite ? (H3O,Ba,Ca,K)1.6(UO2)2V2O8•4(H2O)(?) 894.90
0.43%K Bornemanite BaNa3{(Na,Ti)4[(Ti,Nb)2O2Si4O14](F,OH)2}•PO4 908.83
0.42%K Ferriwinchite ([ ],Na)(Na,Ca)2(Mg, Fe++)4Fe+++[Si8O22](OH)2 845.75
0.41%K Magnesiosadanagaite ! NaCa2[Mg3(Al,Fe+++)2]Si5AlO22(OH)2 869.29
0.40%K Golyshevite ! (Na,Ca)10Ca9(Fe+++,Fe++)2Zr3NbSi25O72(CO3)(OH)3•H2O 2,925.34
0.39%K Lasalite ! Na2Mg2(V10O28)•20H2O 1,404.31
0.39%K Ferrokentbrooksite ! Na15Ca6(Fe,Mn)3Zr3NbSi25O73(O,OH,H2O)3(Cl,F,OH)2 3,231.96
0.38%K Telyushenkoite ! CsNa6[Be2(Si,Al)18O39F2] 1,433.11
0.37%K Ikranite ! (Na,H3O)15(Ca,Mn,REE)6Fe+++2Zr3([ ],Zr)([ ],Si)Si24O66(O,OH)6Cl•2-3H2O 2,760.39
0.36%K Boleite KPb26Ag9Cu24Cl62(OH)48 10,936.64
0.35%K Vanadiumdravite ! NaMg3V6(Si6O18)(BO3)3(OH)4 1,109.10
0.32%K Ferri-ottoliniite ! [ ](Na,Li)(Mg3Fe+++2)Si8O22(OH)2 865.55
0.31%K Gmelinite-Na (Na2,Ca)Al2Si4O12•6(H2O) 2,000.77
0.31%K Wilhelmramsayite ! Cu3FeS3•2(H2O) 378.36
0.31%K Mogovidite ! Na9(Ca,Na)6Ca6Fe2Zr3[ ]Si25O72(CO3)(OH)4 3,066.24
0.30%K Heulandite-Sr ! (Sr,Na,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O) 2,880.96
0.29%K Brinrobertsite ! (Na,K,Ca)x(Al,Fe,Mg)4(Si,Al)8O20(OH)4•3.54(H2O)[x=0.35,n=3.54] 957.70
0.28%K Georgbarsanovite ! Na12(Mn,Sr,REE)3Ca6Fe++3Zr3NbSi25O76Cl2•H2O 3,297.19
0.28%K Meurigite-Na ! [Na(H2O)2.5][Fe+++8(PO4)6(OH)7(H2O)4] 1,239.22
0.28%K Barium-zinc-alumopharmacosiderite * (Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3•5(H2O) 689.30
0.28%K Chesnokovite ! Na2[SiO2(OH)2]•8H2O 277.56
0.28%K Fluoronyboite ! NaNa2(Al2Mg3)(Si7Al)O22(F,OH)2 850.22
0.27%K Orthojoaquinite-(La) ! Ba2Na(La,Ce)2Fe++Ti2Si8O26(OH,O,F)•H2O 1,429.39
0.27%K Trattnerite ! (Fe,Mg)2(Mg,Fe)3(Si12O30) 1,017.34
0.26%K Cavoite ! CaV3O7 299.71
0.26%K Kukharenkoite-(La) ! Ba2(La,Ce)(CO3)3F 605.99
0.24%K Holfertite ! U++++++1.75TiCa0.25 O7.5(H2O)3 649.27
0.24%K Voronkovite ! Na15(Na,Ca,Ce)3(Mn,Ca)3Fe3Zr3Si26O72(OH,O)4Cl•H2O 3,126.11
0.23%K Pautovite ! CsFe2S3 336.73
0.22%K Johnsenite-(Ce) ! Na12(Ce,REE,Sr)3Ca6Mn3Zr3W(Si25O73)(CO3)(OH,Cl)2 3,374.09
0.21%K Gmelinite-Ca ! (Ca,Na2)Al2Si4O12•6(H2O) 2,083.67
0.20%K Clinoholmquistite ? [ ](Li2Mg3Al2)Si8O22(OH)2 794.83
0.20%K Taseqite ! Na12Sr3Ca6Fe3Zr3NbSi25O73(O,OH,H2O)3Cl2 3,403.45
0.19%K Johillerite Na(Mg,Zn)3Cu(AsO4)3 610.00
0.19%K Ferripedrizite ! NaLi2(Fe+++2Mg2Li)Si8O22(OH)2 839.32
0.18%K Batiferrite ! Ba(Ti2Fe+++8Fe++2)O19 1,071.04
0.17%K Arrojadite-(BaFe) ! (Ba,K,Pb)Na3(Ca,Sr)(Fe++,Mg,Mn)14Al(PO4)11(PO3OH)(OH,F)2 2,242.07
0.17%K Manganokukisvumite ! Na6MnTi4Si8O28•4(H2O) 1,130.79
0.16%K Goldquarryite ! (Cu,[ ])(Cd,Ca)2Al3(PO4)4F2(H2O)10{(H2O,F)}2 978.39
0.14%K Sodic-ferripedrizite ! Na(LiNa)(Fe+++2Mg2Li)Si8O22(OH,F)2 811.31
0.14%K Nyboite NaNa2(Mg3Al2)Si7AlO22(OH)2 826.37
0.14%K Terranovaite ! (Na,Ca)8(Si68Al12)O160•29(H2O) 5,573.13
0.14%K Ferri-clinoholmquistite ! [ ]Li2Mg3(Fe3+)2(Si8O22)(OH)2 849.26
0.13%K Todorokite (Na,Ca,K)2(Mn++++,Mn+++)6O12•3-4.5(H2O) 583.05
0.13%K Magnesioriebeckite [ ]Na2[(Mg,Fe++)3Fe+++2]Si8O22(OH)2 876.08
0.13%K Coutinhoite ! ThxBa1-2x(H2O)y(UO2)2Si5O13•H2O 2,118.94
0.12%K Sazhinite-(La) ! Na3La[Si6O15]•2(H2O) 652.93
0.11%K Niksergievite ! [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6•nH2O 722.73
0.10%K Ottensite ! Na3(Sb2O3)3(SbS3)•3H2O 1,214.40
0.09%K Parvo-mangano-edenite ! Na(CaMn)2Mg5(Si7Al)O22(OH)2 851.64
0.09%K Yakhontovite (Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2•3(H2O) 427.29
0.09%K Calciopetersite ! CaCu6[(PO4)2(PO3OH)(OH)6]•3(H2O) 907.06
0.08%K Semenovite (Na,Ca)9(Ce,La)2(Fe++,Mn)(Si,Be)20(O,OH,F)48 1,875.54
0.07%K Ferrosaponite ! Ca0.3(Fe++,Mg,Fe+++)3(Si,Al)4O10(OH)2•4(H2O) 526.49
0.07%K Dualite ! Na30(Ca,Na,Ce,Sr)12(Na,Mn,Fe,Ti)6Zr3Ti3MnSi51O144(OH,H2O,Cl)9 5,953.87
0.06%K Walkerite ! Ca16(Mg,Li,[ ])2[B13O17(OH)12]4Cl6•28(H2O) 3,822.57
0.06%K Pezzottaite ! Cs(Be2Li)Al2Si6O18 658.80
0.06%K Brewsterite-Sr (Sr,Ba)Al4Si12O32•10(H2O) 1,330.04
0.06%K Arrojadite-(SrFe) ! SrFe++Na2Ca(Fe++,Mn,Mg)13Al(PO4)11(PO3OH)(OH,F)2 2,063.97
0.06%K Poppiite ! Ca2(V+++,Fe+++,Mg)(V+++,Al)2(Si,Al)3(O,OH)14 2,128.85
0.05%K Pittongite ! Na0.22[(W,Fe+++)(O,OH)3•0.44H2O 222.44
0.05%K Fluoro-sodic-pedrizite ! NaLi2(Mg2Al2Li)S5Si8O22F2 777.04
0.05%K Ferroholmquistite [ ](Li2Fe++3Al2)Si8O22(OH)2 808.43
0.05%K Parvo-manganotremolite ! [ ](CaMn)2Mg5(Si7Al)O22(OH)2 841.85
0.04%K Bussyite-(Ce) ! (Ce,REE)3(Na,H2O)6MnSi9Be5(O,OH)30F4 1,329.21
0.04%K Aluminotaramite ! Na(CaNa)(Fe+++3Al2)(Si6Al2)O22(OH)2 893.08
0.04%K Schorl-(F) ! NaFe++3Al6Si6O18)(BO3)3(OH)3(F,OH) 1,028.43
0.04%K Zeravshanite ! Cs4Na2Zr3(Si18O45)(H2O)2 2,118.63
0.03%K Phosphoinnelite ! Ba4Na3Ti3Si4O14(PO4,SO4)2(O,F)3 1,301.51
0.03%K Mazzite-Na ! Na8Al8Si28O72•30H2O 2,888.35

(* - Mineral Name Is Not IMA Approved)
(! - New Dana classification added or changed from Danas New Mineralogy)
(? - IMA Discredited Mineral Species Name)

There are 580 minerals with K in the Mineralogy Database.