A-Z register
- Kaatialaite Fe3+[As5+O2(OH)2]3·5H2O
- Kalgoorlieite As2Te3
- Kaliborite KHMg2B12O16(OH)10·4H2O
- Kalifersite K5Fe3+7Si20O50(OH)6·12H2O
- Kalithallite K3Tl3+Cl6·2H2O
- Kaluginite MnMgFe3+(PO4)2(OH)·4H2O
- Kamarizaite Fe3+3(As5+O4)2(OH)3·3H2O
- Kangjinlaite Ti11Si10
- Kanoite Mn2+MgSi2O6
- Kaolinite Al2Si2O5(OH)4
- Karelianite V3+2O3
- Karibibite Fe3+3(As3+O2)4(As3+2O5)(OH)
- Karlseifertite Pb2+(Ga2Ge)(As5+O4)2(OH)6
- Kazakovite Na6Mn2+Ti4+Si6O18
- Kaznakhtite Ni2+6Co3+2(OH)16(CO3)·4H2O
- Kenyaite Na2Si22O41(OH)8·6H2O
- Kermesite Sb3+2OS2-2
- Kesebolite-(Ce) Ce3+Ca2Mn2+(As5+O4)(SiO3)3
- Khademite Al(S6+O4)F·5H2O
- Khorixasite (Bi3+0.67☐0.33)Cu2+(V5+O4)(OH)
- Kieftite CoSb3
- Kimrobinsonite Ta5+(OH)3(O,CO3)
- Kipushite Cu2+6(PO4)2(OH)6·H2O
- Kirkiite Pb2+10Bi3+3As3+3S2-19
- Kitkaite NiTeSe
- Kleberite Fe3+Ti4+6O11(OH)5
- Knasibfite K3Na4(SiF6)3(BF4)
- Kochsándorite CaAl2(CO3)2(OH)4·H2O
- Koenenite Na4Mg9Al4Cl12(OH)22
- Kogarkoite Na3S6+O4F
- Kolfanite Ca2Fe3+3O2(As5+O4)3·2H2O
- Kolicite Zn2+4Mn2+7(As5+O4)2(SiO4)2(OH)8
- Kolwezite Cu2+Co2+CO3(OH)2
- Kolymite Cu7Hg6
- Komkovite BaZr4+Si3O9·3H2O
- Kopiapite Fe²⁺Fe³⁺₄(SO₄)₆(OH)₂·20H₂O
- Koragoite Mn2+2Mn3+Nb5+2(Nb5+,Ta5+)3W6+2O20
- Koritnigite Zn2+(As5+O3OH)·H2O
- Kosmochlor NaCr3+Si2O6
- Kostylevite K2Zr4+Si3O9·H2O
- Kotulskite Pd(Te,Bi)2-x (x ≈ 0.4)
- Krasnoshteinite Al8[B2O4(OH)2](OH)16Cl4·7H2O
- Kreiterite CsLi2Fe3+Si4O10F2
- Krettnichite Pb2+Mn3+2(V5+O4)2(OH)2
- Krieselite Al2GeO4F2
- Krinovite Na4(Mg8Cr3+4)O4[Si12O36]
- Krutaite Cu2+(Se2)2-
- Kukharenkoite-(Ce) Ba2Ce3+(CO3)3F
- Kullerudite NiSe2
- Kunzite LiAlSi₂O₆
- Kuzelite Ca4Al2(OH)12(S6+O4)·6H2O
- Kyanite Al2OSiO4
- Kyanoxalite Na7(Al5-6Si6-7O24)((C2)6+O4)0.5-1.0·5H2O
- Kyzylkumite Ti4+2V3+O5(OH)