's Image Gallery

Koenenite: Na4Mg4Cl12·Mg5Al4(OH)22

Comments: Koenenite with cleavage planes.
Location: Bergmannssegen-Hugo Mine, Lehrte, near Hanover, Lower Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kogarkoite: Na3(SO4)F

Comments: Pale green granular mass of kogarkoite with yellow native sulfur.
Location: Vulcano, Sicily, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kokchetavite: KAlSi3O8

Comments: Fragment of eclogite containing kokchetavite which occurs as inclusions in clinopyroxene and garnet (see inset BSE images).
Location: Kumde-Kul Area, Kokchetav Massif, Kokchetav Oblast', Kazakhstan. Scale: Specimen Size 6x6x6 mm.
© Sergey Vasiliev / Systematic Mineralogy

Koktaite: (NH4)2Ca(SO4)2·(H2O)

Comments: Tan to white scaly coating of koktaite.
Location: Zastavka, near Brna, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kolarite: PbTeCl2

Comments: Steel-gray, metallic, massive, polished fragment of kolarite embedded in epoxy.
Location: Oktyabr'sky Mine, Noril'sk, Putoran Mts, Taymyrskiy Autonomous Okrug, Eastern-Siberian. Scale: See Image.
© Rruff Database

Kolarite: PbTeCl2  
Radhakrishnaite: PbTe3(Cl,S)2

Comments: Kolarite (1) and radhakrishnaite (2), replacing altaite (white) in galena (ight grey). (CanMin, v23:501).
Location: 1500 m level, Kolar gold deposit, India. Scale: Scale Bar 0.02 mm.
© Canadian Mineralogist

Kolbeckite: ScPO4·2(H2O)

Comments: Spherical ball of acicular kolbeckite on matrix.
Location: Gleichenberger Klause, Bad Gleichenberg, Steiermark, Austria. Scale: Specimen size 1.5 mm.
© John Veevaert

Kolicite: Mn7Zn4(AsO4)2(SiO4)2(OH)8

Comments: Minute orange crystal of kolicite in franklinite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kolovratite: Hydrous vanadate of Ni and Zn

Comments: Aqua-colored botryoidal crust of kolovratite.
Location: Mina Ojuela, Mapimi, Durango, Mexico. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kolwezite: (Cu,Co)2(CO3)(OH)2

Comments: Green kolwezite cotton balls on pink cobaltian calcite.
Location: Musononi mine, Kolwezi, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Komarovite: (Ca,Mn)2(Nb,Ti)2Si2O7(O,F)2·3.5(H2O)

Comments: Pale pink crystalline komarovite vein in syenite rock.
Location: Mount Karnasurt, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kombatite: Pb14(VO4)2O9Cl4  
Hausmannite: Mn++Mn+++2O4

Comments: Yellow kombatite crystals in black hausmannite.
Location: Kombat Mine, Otavi, Namibia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Koninckite: Fe+++PO4·3(H2O) (?)

Comments: Pale pink botryoidal crust of koninckite on rock.
Location: Richelle, Liege, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Konyaite: Na2Mg(SO4)2·5(H2O)

Comments: white powdery konyaite.
Location: Great Konya Basin, Konya, Turkey. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Koragoite: (Mn++,Fe+++)3(Nb,Ta,Ti)2(Nb,Mn)2(W,Ta)2O20

Comments: Black tabular crystals of koragoite in matrix.
Location: Vez-Dara River Valley, Shakhdara Range, Khorog Region, Gorno-Badakhshan District, Pamir Mts, Tajikistan. Scale: Picture size 1.8 mm.
© Thomas Witzke / Abraxas-Verlag

Koritnigite: ZnHAsO4·(H2O)

Comments: Translucent nearly colorless fragment of koritnigite.
Location: Tsumeb, Oshikoto, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kornelite: Fe+++2(SO4)3·7(H2O)

Comments: Sulfate matrix with several 1 cm sprays of kornelite. This specimen has to be protected from air as it is readily soluble in water.
Location: Rio Tinto Mine, Huelva, Spain. Scale: Picture size 1 cm.
© John Veevaert

Kornerupine: (Mg,Fe++)4Al6(SiO4,BO4)5(O,OH)2

Comments: Greenish gray mottled crystal prism of kornerupine.
Location: Western Hart's Range, Northern Territory, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Korobitsynite: Na3(Ti,Nb)2[Si4O12](OH,O)2·3-4(H2O)

Comments: Colorless prismatic crystals of korobitsynite.
Location: Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Korshunovskite: Mg2Cl(OH)3·3.5-4(H2O)

Comments: White fibrous korshunovskite crystals.
Location: Korshunovskoye skarn Fe Deposit, Irkutsk, Irkutskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag