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Mineral Index - K

• Kén
  syn. of Sulphur

• Kenhsuite
  Orthorhombic
  Hg²⁺₃[Cl₂|S₂]

• Kennedyite
  
  MgFeTi₃O₁₀

• Kenngottite (of Gagarin and Cuomo)
  var. of Arsenolite

• Kenngottite (of Haidinger)
  syn. of Miargyrite

• Kentbrooksite
  Trigonal
  (Na,REE)₁₅(Ca,REE)₆(Mn²⁺,Fe²⁺)₃Zr₃Nb[Si₂₅O₇₄]F₂·2H₂O
• Kentrolite
  Orthorhombic
  Pb₂Mn³⁺₂[O₂|Si₂O₇]

• Kentrolite-Melanotekite Series
  a series between Kentrolite and Melanotekite
  Orthorhombic

• Kenyaite
  Monoclinic
  Na₂Si₂₂O₄₁(OH)₈·6H₂O

• Keramite (of Hunt)
  var. of Kaolinite

• Keramite (of Mellor and Scott)
  syn. of Mullite

• Keramohalite
  syn. of Alunogen, Manganoan Pickeringite

• Keramohalite (of Glocker)
  syn. of Alunogen

• Keramohalite (of Schweizer)
  syn. of Manganoan Pickeringite

• Keramolhalite
  syn. of Keramohalite

• Keramostypterite
  syn. of Alunogen

• Keramsite
  var. of Clay

• Keraphyllite
  syn. of Carinthine

• Kerargyre
  syn. of Chlorargyrite

• Kerargyrite
  syn. of Chlorargyrite

• Kerasine
  syn. of Mendipite, Phosgenite

• Kerat
  syn. of Chlorargyrite

• Kerate
  syn. of Chlorargyrite

• Kerchenite
  syn. of Kertschenite

• Kerchenite-alpha
  syn. of Metavivianite

• Kerite
  An organic material found during pegmatite mining in the Volynski region of Ukraine as black fibrous aggregate of short, curving interlaced fibres of average diameter 14.7 microns. Although it is claimed in some publications that this material ...

• Kermesite
  Triclinic
  Sb₂S₂O
• Kernite
  Monoclinic
  Na₂[B₄O₆(OH)₂] · 3H₂O

• Kerolite
  Apparently a Ni-bearing variety of talc(?). Originally reported from Ząbkowice (Frankenstein), Ząbkowice District, Lower Silesia (Dolnośląskie), Poland.
  (Mg,Ni)₃Si₄O₁₀(OH)₂·H₂O

• Kerolith
  syn. of Kerolite

• Kérophyllite
  syn. of Carinthine

• Kerstenite
  Discredited 2006. See Molybdomenite. Originally reported from Friedrichsglück Mine, Hildburghausen, Suhl, Thuringian Forest, Thuringia, Germany.

• Kerstenite (of Haidinger)
  syn. of Cheleutite

• Kertchenite
  syn. of Kertschenite

• Kertschenite
  A supposed hydrated phosphate of iron which is an alteration product of Vivianite. Later studies have shown an intergrowth of vivianite or Metavivianite with varying amounts of amorphous ferric iron phosphate (Santabarbaraite) ...
  Fe²⁺Fe³⁺₂[OH|PO₄]₂ · 6H₂O

• Kësterite
  Cu₂(Zn,Fe)SnS₄

• Kësterite-Stannite Series
  a series between Kësterite and Stannite

• Kësterite Subgroup
  Stannite Group.
  Tetragonal

• Kettnerite
  Orthorhombic
  (BiO)Ca[F|CO₃]
• Keyite
  Monoclinic
  Cu²⁺₃Zn₄Cd₂(AsO₄)₆·2H₂O
• Keystoneite
  Hexagonal
  (Ni,Mg,Fe,Mn)₃Te₃O₉·5H₂O

• Keystoneite (of Back et al.)
  syn. of Keystoneite

• Keystonite Chalcedony
  var. of Chalcedony

• K Feldspar
  syn. of Microcline, Orthoclase, Sanidine

• Khademite
  Orthorhombic
  Al[F|SO₄] · 5H₂O

• Khagatalite
  syn. of Hagatalite

• Khaidarkanite
  Monoclinic
  Na_0.34Cu₄Al₃(OH)₁₄F₃·2H₂O

• Khakassite
  syn. of Alumohydrocalcite

• Khamrabaevite
  (Ti,V,Fe)C
• Khanneshite
  Hexagonal
  (Na,Ca)₃(Ba,Sr,Ce,Ca)₃(CO₃)₅
• Kharaelakhite
  Orthorhombic
  (Pt,Cu,Pb,Fe,Ni)₉S₈
• Khatyrkite
  Tetragonal
  (Cu,Zn)Al₂

• Khaulite
  syn. of Howlite

• Khibinskite
  Monoclinic
  K₂ZrSi₂O₇

• Khinganite
  syn. of Kësterite

• Khinite
  Orthorhombic
  Pb²⁺Cu²⁺₃(TeO₆)(OH)₂

• Khlopinite
  syn. of Titanian Samarskite-(Y)

• Khmaralite
  Monoclinic
  (Mg,Al,Fe)₁₆[(Al,Si,Be)₁₂O₃₆]O₄

• Khodnevite
  Probably identical with Chiolite. Originally reported from Miass River, Zlatoust, Ilmen Mts, Chelyabinsk Oblast', Urals Region, Russia.
  Na₂AlF₅ (?)

• Khoharite
  Hypothetical end member of garnet group proposed by L.L. Fermor in 1938. Mentioned as constituent of garnets from Jagersfontein mine in Southern Africa. This end member is also a rare component of garnets from schists from different regions.
  (Mg,Ca)₃(Fe³⁺,Al)₂[SiO₄]₃

• Khomyakovite
  Trigonal
  Na₁₂Sr₃Ca₆Fe₃Zr₃W[Si₂₅O₇₃](O,OH,H₂O)₃(OH,Cl)₂
• Khristovite-(Ce)
  Monoclinic
  {CaCe}{MgAlMn²⁺}[F|OH|SiO₄|Si₂O₇]

• Kianito
  syn. of Kyanite

• Kibdelophane
  var. of Ilmenite

• Kibende
  syn. of Iron

• Kiddcreekite
  Cu₆SnWS₈

• Kidney Ore
  var. of Hematite

• Kidney Stone
  syn. of Nephrite

• Kidwellite
  Monoclinic
  NaFe³⁺₉[(OH)₅|(PO₄)₃]₂ · 5H₂O
• Kieftite
  Isometric
  CoSb₃

• Kiesel
  syn. of Quartz

• Kieselgalmei
  syn. of Hemimorphite

• Kieselgalmey
  syn. of Hemimorphite

• Kieselglas
  syn. of Lechatelierite

• Kieselguhr
  syn. of Diatomite