Mineral Specimen Images (K)

Kobellite: Pb22Cu4(Bi,Sb)30S69

Comments: Dark gray metallic crystalline kobellite with quartz.
Location: Crabtree Quarry, Raleigh, Wake County, North Carolina, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kochkarite: PbBi4Te7

Comments: Bright silvery veinlets of kochkarite throughout matrix.
Location: Kochkar' Au deposit, Plast, Urals Region, Russia. Scale: Overall: 2.5 x 2 x 1.5 cm.
© Tom Loomis / Dakota Matrix

Kochsandorite: CaAl2(CO3)2(OH)4·H2O

Comments: Pearly circles of radiating white microcrystals of kochsandorite on coal.
Location: Many coal deposit, Bicske-Zsambeki Basin, Tatabanya. Scale: 2.5x1.7x1.1 cm.
© Richard Dale / Dale Minerals

Kochsandorite: CaAl2(CO3)2(OH)4·H2O

Comments: White fibers of kochandorite on coal-marl matrix.
Location: Mány coal field, Tatabánya, Hungary. Scale: See Image.
© Jeff Weissman / Photographic Guide to Mineral Species

Koechlinite: Bi2MoO6

Comments: Greenish yellow crystal of koechlinite on quartz.
Location: Adam Heber Mine, Neustädtel, Schneeberg district, Erzgebirge, Saxony, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

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