- Home
- IMA status
- Approved
Approved minerals
4,194 minerals
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Katayamalite | KLi₃Ca₇Ti₂(SiO₃)₁₂(OH)₂ | Monoclinic | — | — |
| Katerinopoulosite | (NH₄)₂Zn(SO₄)₂*₆H₂O | Monoclinic | — | — |
| Katiarsite | KTiO(AsO₄) | Orthorhombic | — | 3.30 g/cm³ |
| Katoite | Ca₃Al₂(SiO₄)₃-x(OH)₄x (x = ₁.₅-₃) | Cubic | — | — |
| Katophorite | Na(NaCa)(Mg₄Al)(Si₇Al)O₂₂(OH)₂ | Monoclinic | — | — |
| Katsarosite | Zn(C₂O₄)⋅2H₂O | Monoclinic | — | — |
| Kawazulite | Bi₂Te₂Se | Trigonal | 1.5 | 7.79 g/cm³ |
| Kayrobertsonite | [MnAl₂(PO₄)₂(OH)₂(H₂O)₄]*₂H₂O | Triclinic | — | — |
| Kayupovaite | Na₂Mn₁₀[(Si₁₄Al₂)O₃₈(OH)₈]·₇H₂O | Monoclinic | — | — |
| Kazakhstanite | Fe³⁺₅V₄+₃V₅+₁₂O₃₉(OH)₉ * 9H₂O | — | — | — |
| Kazakovite | Na₆Mn²⁺Ti(Si₆O₁₈) | Trigonal | — | — |
| Kaznakhtite | — | Trigonal | — | — |
| Kaňkite | — | — | — | — |
| Keckite | CaMn(Fe³⁺,Mn)₂Fe³⁺₂(PO₄)₄(OH)₃(H₂O)₇ | Monoclinic | — | — |
| Kegginite | Pb₃Ca₃[AsV₁₂O₄₀(VO)]*₂₀H₂O | Trigonal | — | — |
| Keilite | FeS | Cubic | 4.0 | 4.29 g/cm³ |
| Keithconnite | Pd₂₀Te₇ | Trigonal | — | 10.79 g/cm³ |
| Keiviite-(Y) | Y₂Si₂O₇ | Monoclinic | — | 4.26 g/cm³ |
| Keldyshite | (Na,H)₂ZrSi₂O₇ | Triclinic | — | — |
| Kellyite | Mn²⁺₂Al(AlSiO₅)(OH)₄ | — | — | — |
| Kelyanite | (Hg+₂)₆Sb³⁺BrCl₂O₆ | Monoclinic | — | — |
| Kenhsuite | Hg²⁺₃S₂Cl₂ | Orthorhombic | — | — |
| Kenngottite | Mn²⁺₃Fe³⁺₄(PO₄)₄(OH)₆(H₂O)₂ | Monoclinic | — | — |
| Kenoargentotennantite-(Fe) | — | Cubic | — | — |
| Kenoargentotetrahedrite-(Zn) | [Ag₆]⁴⁺(Cu₄Zn₂)Sb₄S₁₂◻ | Cubic | — | — |
| Kenomicrolite | ◻₂Ta₂[O₄(OH)₂]◻ | Cubic | — | — |
| Kenoplumbomicrolite | (Pb,☐)₂Ta₂O₆(☐,OH,O) | Cubic | — | — |
| Kenotobermorite | Ca₄Si₆O₁₅(OH)₂(H₂O)₂·3H₂O | — | — | — |
| Kentbrooksite | (Na,REE)₁₅(Ca,REE)₆(Mn²⁺,Fe²⁺)₃Zr₃Nb[Si₂₅O₇₄]F₂ * 2H₂O | Trigonal | — | — |
| Kenyaite | Na₂Si₂₂O₄₁(OH)₈ * 6H₂O | Monoclinic | — | — |
| Keplerite | — | Trigonal | — | — |
| Kerimasite | Ca₃Zr₂(SiFe³⁺₂)O₁₂ | Cubic | 7.0 | — |
| Kernowite | — | Monoclinic | — | — |
| Kesebolite-(Ce) | — | Monoclinic | — | — |
| Keutschite | Cu₂AgAsS₄ | Tetragonal | — | — |
| Keyite | Cu²⁺₃Zn₄Cd₂(AsO₄)₆ * 2H₂O | — | — | — |
| Keystoneite | Mg₀.₅NiFe³⁺(Te⁴⁺O₃)₃·4.5H₂O | — | — | — |
| Khaidarkanite | Cu₄Al₃(OH)₁₄F₃·2H₂O | Monoclinic | — | — |
| Khamrabaevite | TiC | Cubic | 9.0 | 4.89 g/cm³ |
| Khanneshite | (Na,Ca)₃(Ba,Sr,Ce,Ca)₃(CO₃)₅ | Hexagonal | — | — |
| Kharaelakhite | (Cu,Pt,Pb,Fe,Ni)₉S₈ | Orthorhombic | — | — |
| Khatyrkite | (Cu,Zn)Al₂ | Tetragonal | — | — |
| Khesinite | Ca₄(Mg₃Fe³⁺₉)O₄(Fe³⁺₉Si₃)O₃₆ | Triclinic | — | — |
| Khibinskite | K₂ZrSi₂O₇ | Monoclinic | — | 3.19 g/cm³ |
| Khinite | Pb²⁺Cu²⁺₃[Te₆+O₆](OH)₂ | Orthorhombic | — | — |
| Khmaralite | (Mg,Al,Fe)₁₆[(Al,Si,Be)₁₂O₃₆]O₄ | — | — | — |
| Khomyakovite | Na₁₂Sr₃Ca₆Fe₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂ | Trigonal | — | — |
| Khorixasite | (Bi₀.₆₇☐₀.₃₃)Cu(VO₄)(OH) | Monoclinic | — | — |
| Khrenovite | Na₃Fe³⁺₂(AsO₄)₃ | Monoclinic | — | — |
| Khristovite-(Ce) | {CaCe}{MgAlMn²⁺}(Si₂O₇)(SiO₄)(OH)F | Monoclinic | — | — |
| Khurayyimite | Ca₇Zn₄(Si₂O₇)₂(OH)₁₀*₄H₂O | Monoclinic | — | — |
| Khvorovite | (Pb,Ba,K)₄Ca₂[Si₈B₂(Si,B)₂O₂₈]F | Triclinic | — | — |
| Kiddcreekite | Cu₆WSnS₈ | — | 4.0 | 4.88 g/cm³ |
| Kidodite | BaMg₂Fe₁₆O₂₇ | Hexagonal | — | — |
| Kidwellite | NaFe³⁺₉₊ₓ(PO₄)₆(OH)₁₁·3H₂O (x ≈ 0.33) | Monoclinic | 3.0 | 3.34 g/cm³ |
| Kieftite | CoSb₃ | Cubic | — | 7.59 g/cm³ |
| Kieserite | Mg(SO₄)(H₂O) | Monoclinic | 3.5 | — |
| Kihlmanite-(Ce) | Ce₂TiO₂(SiO₄)(HCO₃)₂(H₂O) | Triclinic | — | — |
| Killalaite | Ca₆.₄(H₀.₆Si₂O₇)₂(OH)₂ | Monoclinic | — | — |
| Kimrobinsonite | (Ta,Nb)(OH)₅-₂x(O,CO₃)x ; x near ₁.₂ | — | — | — |
| Kimuraite-(Y) | CaY₂(CO₃)₄·6H₂O | Orthorhombic | — | — |
| Kimzeyite | Ca₃(Zr,Ti)₂((Si,Al,Fe³⁺)O₄)₃ | Cubic | 7.0 | — |
| Kingsgateite | — | Tetragonal | — | — |
| Kingstonite | (Rh,Ir,Pt)₃S₄ | Monoclinic | 6.0 | — |
| Kinichilite | Mg₀.₅Mn²⁺Fe³⁺(Te⁴⁺O₃)₃·4.5H₂O | — | — | — |
| Kinoite | Ca₂Cu₂Si₃O₁₀·2H₂O | Monoclinic | 2.5 | — |
| Kinoshitalite | (Ba,K)(Mg,Mn²⁺,Al)₃(Al₂Si₂O₁₀)(OH)₂ | — | — | — |
| Kintoreite | PbFe₃(PO₄)(PO₃OH)(OH)₆ | Trigonal | — | — |
| Kipushite | (Cu,Zn)₅Zn(PO₄)₂(OH)₆ * H₂O | Monoclinic | — | — |
| Kircherite | [Na₅Ca₂K](Si₆Al₆O₂₄)(SO₄)₂·0.33H₂O | Trigonal | — | — |
| Kirchhoffite | CsBSi₂O₆ | Tetragonal | — | 3.46 g/cm³ |
| Kirkiite | Pb₁₀Bi₃As₃S₁₉ | — | — | — |
| Kiryuite | NaMnAl(PO₄)F₃ | Monoclinic | — | — |
| Kishonite | — | Cubic | — | — |
| Kitagohaite | Pt₇Cu | Cubic | — | 19.91 g/cm³ |
| Kitkaite | NiTeSe | — | 3.0 | — |
| Kittatinnyite | Ca₂Mn₂Mn(SiO₄)₂(OH)₄ * 9H₂O | — | — | — |
| Klajite | MnCu₄(AsO₄)₂(AsO₃OH)₂·9H₂O | Triclinic | — | — |
| Klaprothite | Na₆(UO₂)(SO₄)₄·4H₂O | Monoclinic | — | — |
| Kleberite | FeTi₈O₁₁(OH)₅ | Monoclinic | — | — |