Kaatialaite

Comments: White kaatialaite with arsenolite on native arsenic.
Location: Shaft 371, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Kaersutite

Comments: Dark greenish-brown prismatic kaersutite crystals in matrix.
Location: Nugssuaq, Umanak, Greenland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kafehydrocyanite

Comments: Micro platy crystal of kafehydrocyanite.
Location: Medvezhii Log, East Sayan Mountains, Krasnoyarsk Territory, Siberia, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kainite   Szaibelyite

Comments: pale violet granular kainite intermixed with white ascharite (szaibelyite).
Location: Havesa, Empelde, Hannover, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kaliborite

Comments: Translucent colorless crystal of kaliborite.
Location: Lake Inder, Atyrau, Kazakhstan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalifersite

Comments: Brownish-red crystalline granular aggregates of kalifersite in rock matrix composed of fibers to 5mm.
Location: Mt. Rasvumchorr, Khibiny massif, Kola Peninsula, Russia. Scale: Specimen size 3.5 x 2 x 1.5cm.
© Tom Loomis / Dakota Matrix

Kaliophilite   Meionite

Comments: Tan to white fibrous kaliophilite crystal bundle with white translucent meionite on matrix.
Location: Mont Somma, Naples, Campania, Italy. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalipyrochlore

Comments: Opaque yellowish green to tan octahedral crystal of kalipyrochlore.
Location: Lueshe, Nord-Kivu, Zaire. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kalsilite

Comments: Small, hair-like crystals of kalsilite on crystals of phlogopite and smaller crystals of analcime and fluorapatite.
Location: San Venanzo, Tern, Italy. Scale: Picture size 5 mm.
© John Veevaert

Kamacite   Carlsbergite

Comments: Polished section showing a small light gray elongated inclusion of carlsbergite in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.08 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite   Nickelphosphide

Comments: Small inclusion of nickelphosphide in massive kamacite.
Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm.
© Thomas Witzke / Abraxas-Verlag

Kamacite   Troilite   Cohenite   Taenite

Comments: Brown masses of troilite, with white cohenite, in kamacite/taenite matrix, in meteorite (polished section).
Location: Meteor Crater, Canyon Diablo, Coconino County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamacite   Taenite   Troilite

Comments: Polished and acid etched slice, with crust, illustrating Widmanstaaten lines, with taenite darker areas between kamacite crystals, with tarnished troilite inclusions, in fine octahedrite meteorite.
Location: Gibeon Meteorite, found 1836, Great Namaqualand, Hardap, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kambaldaite

Comments: Light green kambaldaite blebs and crusts.
Location: Kambalda Nickel deposit, Kambalda, WA, Australia. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Kamiokite

Comments: Dull dark gray-black sectile massive kamiokite.
Location: Krupka, Severocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kamotoite-(Y)

Comments: Bright greenish yellow kamotoite-(Y) crystals.
Location: Kamoto mine, Kolwezi, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kamotoite-(Y)

Comments: Bright yellow, feather-like kamotoite-(Y) crystal habits.
Location: Kamoto mine, Kolwezi, Shaba, Democratic Republic of the Congo. Scale: Picture size 2 cm.
© Tom Loomis / Dakota Matrix

Kampfite

Comments: Light, bluish-gray crystalline kampfite.
Location: Esquire #1 Claim, Rush Creek, Fresno Co., California, USA. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kampfite

Comments: Anthony Kampf, Curator and Section Head of the Mineral Sciences Section at the Los Angeles County Museum of Natural History and the person whom kampfite was named for, kindly provided the pronunciation of the mineral kampfite.
Location: Tucson Convention Center, 50th Tucson Gem and Mineral Show, February 12, 2004. Scale: NA.
© Dave Barthelmy

Kamphaugite-(Y)

Comments: Small white crystals of kamphaugite-(Y).
Location: T?rdal (Hj?ndalen), Telemark, Norway. Scale: Picture size 3 mm.
© Thomas Witzke / Abraxas-Verlag

Kanemite

Comments: Yellowish white translucent micro spherical aggregate of kanemite.
Location: Kanem, Chad. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kankite

Comments: Greenish botryoidal aggregates of kankite.
Location: Reiche Zeche Mine, Freiberg, Freiberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kanoite

Comments: Brown, prismatic crystals of kanoite in matrix.
Location: Tatehira, Oshima Peninsula, Hokkaido, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kanonaite

Comments: Dark greenish black microcrystal of kanonaite in matrix.
Location: Le Coreaux, near Salmchateau, Luxembourg, Belgium. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kaolinite

Comments: Authigenic kaolinite plates covering a quartz grain overgrown with authigenic quartz. SEM image of a core sample.
Location: Unknown. Scale: Picture size 50 µ-m.
© OMNI Laboratories, Inc

Kaolinite   Ammonioalunite

Comments: White chalky ammonioalunite on darker kaolinite.
Location: Schoeller Mine, Kladno, Stredocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kaolinite   Pianlinite

Comments: Off-white colored minute pianlinite (kaolinite) fragment.
Location: Pianling, China. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Karelianite

Comments: Dark bluish-black granular karelianite.
Location: Outokumpu, Pohjois-Karjala, Finland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Karibibite

Comments: Orange yellow, radial sprays of karibibite on l?llingite to 0.75mm.
Location: Galileia, Minas Gerais, Brazil. Scale: picture size 5 mm.
© Tom Loomis / Dakota Matrix

Karlite

Comments: Pale lemon yellow colored translucent crystalline fragment of karlite.
Location: Schlegeistal, Zillertaler Alpen, Tirol, Austria. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Karpatite

Comments: Pale greenish karpatite with minor red cinnabar.
Location: 4th of July mine, New Idria district, San Benito Co., California, USA. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Karpatite

Comments: Flat lying sprays of fibrous crystals of yellow karpatite to 2.8 cm in length on siliceous jasperoid with drusy quartz. Lower image taken using SW UV light.
Location: Los Picachos, near Picacho Peak, San Benito County, California, USA. Scale: 9.3 x 4.5 x 3.5 cm.
© John Veevaert

Kashinite   Laurite

Comments: Gray kashinite with darker gray laurite. Polished section (from microprobe analysis) in reflected light.
Location: Nizhne-Tagil'skoye (Mednorudyanskoye) Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Urals Region, Russia. Scale: Picture size 0.2 mm.
© Thomas Witzke / Abraxas-Verlag

Kasolite

Comments: Golden yellow crystals of kasolite.
Location: Shinkolobwe mine, Tatara, Shaba, Democratic Republic of the Congo. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kasolite

Comments: Bright yellow kasolite crystal "flowers" on matrix.
Location: Kambove, (Kakanda) Mine, Katanga District, Shaba (Katanga), Republic of the Congo, (Za?re). Scale: Picture size 5 mm.
© Paul M. Schumacher

Kasolite   Sklodowskite

Comments: Greenish yellow, acicular sklodowskite crystals and yellow, bladed kasolite crystals.
Location: Kambove, (Kakanda) Mine, Katanga District, Shaba (Katanga), Republic of the Congo, (Za?re). Scale: Picture size 1 cm.
© Paul M. Schumacher

Kastningite

Comments: Colorless crystals of kastningite.
Location: Silbergrube Quarry, Waidhaus, Vohenstrau?, Oberpfalz, Bavaria, Germany. Scale: Picture size 1 mm.
© Thomas Witzke / Abraxas-Verlag

Kazakhstanite

Comments: Deep black sooty coatings of kazakhstanite on silicified rock.
Location: Gold Quarry Mine, Carlin Trend, Eureka County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Keckite

Comments: Brown crystals of keckite on matrix.
Location: Hagendorf, Bavaria, Germany. Scale: .
© Lou Perloff / Photo Atlas of Minerals

Keithconnite   Kotulskite   Telluropalladinite

Comments: Polyphase grain of (1) ferroan platinum corroded by (2) Pt(Fe,Cu) and overgrown by (5) telluropalladinite, an unknown (6) Pd-Te-Fe-Si-O phase, (7) Fe-hydroxide and (8) a Ca-Mn-Fe silicate with inclusions of (3) kotulskite and (4) keithconnite. (BGR).
Location: Stream sediments of rivers in the vicinity of the original discovery of the Merensky Reef on the farm Maandagshoek close to Burgersfort in the Eastern Bushveld, South Africa.. Scale: See Image.
© Federal Institute for Geosciences and Natural Resources

Kemmlitzite

Comments: Tan granular kemmlitzite in sand.
Location: Kemmlitz Deposit, Oschatz, Sachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kenhsuite

Comments: Yellow crystalline kenhsuite on montmorillonite matrix (light sensitive).
Location: McDermitt Mine, Humboldt County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kentbrooksite

Comments: Orange translucent crystals of kentbrooksite frozen in syenite rock.
Location: Mount Alluiav, Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kentrolite

Comments: Brownish red grains of kentrolite in matrix.
Location: Langban mine, Varmland, Sweden. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Kenyaite

Comments: Compact granular massive kenyaite possibly with other phases.
Location: Lake Magadi, Rift Valley Province, Kenya. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kermesite

Comments: Reddish brown radiating spray of kermesite crystals on matrix.
Location: Pezinok (Pernek), near Bratislava, Solvakia. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kermesite   Paakkonenite

Comments: Much of the matrix is the gray metallic paakkonenite with red crystals of kermesite and minute yellow crystals of valentinite.
Location: Cai' ao mine, Danfong Co., Shaanxi Prov., China. Scale: 3x2x2cm.
© Tom Loomis / Dakota Matrix

Kernite

Comments: Translucent kernite cleavage prism with white superficial dehydration coating.
Location: Pacific Coast Boron Mine, Boron, Kern County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kerstenite   Clinochalcomenite   Krutaite

Comments: Tan opaque fibrous kerstenite with possible blue clinochalcomenite on dark krutaite.
Location: Mina El Dragon, Potosi, Bolivia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kesterite   Mushistonite

Comments: Sharp, kesterite crystal, greenish in color due to a mushistonite coating with clear, prismatic beryl crystals.
Location: Xue Bao Diang Mountains, north of Pingwu, Sichuan Province, China. Scale: Crystal size 1 cm.
© Dan Weinrich

Kettnerite

Comments: Brown crystals of kettnerite.
Location: Shaft 250, Schlema-Hartenstein area, Erzgebirge, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Keyite

Comments: Brilliant blue keyite crystals on a matrix of white, metallic suflide-arsenide ore.
Location: Tsumeb, Namibia. Scale: 0.9 x 0.7 x 0.7 cm.
© Rob Lavinsky

Keystoneite

Comments: Yellow, feathery keystoneite on quartz.
Location: Mcalpine Mine, Moccasin, Tuolumne Co., California, USA. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Khademite

Comments: Pale blue botryoidal khademite on matrix.
Location: Bergmann Liegendes, Rammelsberg, Harz Mountains, Niedersachsen, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Khaidarkanite

Comments: Sky blue acicular radial sprays of khaidarkanite.
Location: Khaidarkan, Kyrgizia. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Kidwellite   Frondelite

Comments: Root beer colored crystals of frondelite and white kidwellite sticks on matrix.
Location: Sapucaia, Minas Gerais, Brazil. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kidwellite

Comments: Yellowish green columnar aggregates of kidwellite crystals.
Location: Indian Mountain, Cherokee County, Alabama, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kidwellite   Strengite

Comments: Spherical, crystalline aggregate of purple strengite on green kidwellite.
Location: Three Oak Gap, Polk Co., Arkansas, USA. Scale: Crystal size 2 mm.
© Tom Loomis / Dakota Matrix

Kieserite

Comments: Translucent crystalline mass of kieserite with white alteration products.
Location: Stassfurt, Sachsen-Anhalt, Germany. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kimzeyite

Comments: Black isometric crystal of kimzeyite garnet.
Location: Kimzey pit, Magnet Cove, Hot Spring County, Arkansas, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kingite

Comments: White flakes of kingite in matrix.
Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Kingsmountite

Comments: White, radial spray of kingsmountite crystals.
Location: Kings Mountain, Cleveland County, North Carolina, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Kinoite   Apophyllite

Comments: Crystals of dark blue kinoite and clear apophyllite.
Location: Christmas Mine, Gila County, Arizona, USA. Scale: Crystal size 2.5 mm.
© John Veevaert

Kinoite   Dioptase

Comments: Fibrous crystals of blue-green dioptase to 0.75mm on clear apophyllite associated with dark blue kinoite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Pictures size 6 mm.
© Tom Loomis / Dakota Matrix

Kinoite

Comments: Kinoite crystals as single tabular or platy blue crystals to about 0.3mm and as fan-like sprays. The crystals exhibit striations, a key to distinguishing it from stringhamite.
Location: Christmas mine, Gila Co., Arizona, USA. Scale: Picture size 3 mm.
© Tom Loomis / Dakota Matrix

Kintoreite

Comments: Yellow rounded crystal grains of kintoreite on limonite.
Location: Kintore Open Cut, Broken Hill, New South Wales, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kipushite

Comments: Green microcrystals of kipushite on matrix.
Location: Kipushi, Shaba, Zaire. Scale: 10x8x5 mm.
© Richard Dale / Dale Minerals

Kipushite

Comments: Prismatic emerald green microcrystals of kipushite on quartz.
Location: Snowshoe Claim, near Battle Mountain, Lander County, Nevada, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kirschsteinite

Comments: Grayish green crystalline massive kirschsteinite.
Location: Mazarron, Murcia, Spain. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kivuite   Dewindtite

Comments: Pale yellow coatings of kivuite with yellowier dewindtite on pegmatite.
Location: Ruggles Mine, Grafton, Grafton County, New Hampshire, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kladnoite

Comments: Glassy prismatic colorless kladnoite crystals on matrix.
Location: Kladno, Stredocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Klebelsbergite

Comments: Small, acicular sprays of klebelsbergite with yellow crystals of sulfur on stibnite.
Location: Pereta Mine, Grosseto Province, Tuscany, Italy. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Kleinite

Comments: Crystalline druse of bright canary yellow kleinite on matrix.
Location: McDermmitt, Humboldt County, Nevada. USA. Scale: Crystal size 1-2 mm.
© John Veevaert

Klockmannite

Comments: Klockmannite intergrown with covellite on quartz.
Location: Lichtenberg Mine, Ronneburg U Deposit, Gera district, Thuringia, Germany. Scale: Picture size 7.5 mm.
© Thomas Witzke / Abraxas-Verlag

Koashvite

Comments: Brown translucent crystalline fragment of koashvite.
Location: Mount Koashva, Khibiny Massive, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kobeite-(Y)

Comments: Subparallel aggregate of black, tabular, euhedral kobeite-(Y) crystals in matrix.
Location: Ohro, Kobe, Kyoto, Japan. Scale: Picture size 5 mm.
© Paul M. Schumacher

Kobellite

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

Kochsandorite

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

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

Koechlinite

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

Koenenite

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

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

Koktaite

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

Kolbeckite

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

Kolicite

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

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

Kolwezite

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

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   Hausmannite

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

Koninckite

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

Konyaite

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

Koragoite

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

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

Kornelite

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

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

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

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

Korzhinskite

Comments: Translucent fragment of korzhinskite.
Location: Novofrolovskoye, Sverdlovsk District, Northern Urals, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kosmochlor

Comments: Green resinous massive kosmochlor, variety ureyite, in serpentinite.
Location: Myanmar. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kosnarite

Comments: Pale bluish crystals of kosnarite in matrix.
Location: Mt Mica mine, Paris, Oxford Co., Maine, USA. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Kosnarite

Comments: Transparent crystals of kosnarite on matrix.
Location: Itinga Mine, Minas Gerais, Brazil. Scale: Crystal size 2 mm.
© John Veevaert

Kosnarite   Zanazziite

Comments: Beige crystals of kosnarite with pinkish, radial aggregates of zanazziite on whte albite matrix.
Location: Jenipapo, Itinga, Minas Gerais, Brazil. Scale: Picture size 6 cm.
© Fabre Minerals

Kotoite

Comments: White massive kotoite crystals.
Location: Baita Mine (R?zb?nya), Nucet, Bihor Co., Romania. Scale: Picture size 8 mm.
© Thomas Witzke / Abraxas-Verlag

Kottigite

Comments: K?ttigite crystals on gossanous matrix up to 0.5 cm in length.
Location: Oujela Mine, Mapimi, Durango, Mexico. Scale: Picture size 3 cm.
© John Veevaert

Kotulskite   Telluropalladinite   Keithconnite

Comments: Polyphase grain of (1) ferroan platinum corroded by (2) Pt(Fe,Cu) and overgrown by (5) telluropalladinite, an unknown (6) Pd-Te-Fe-Si-O phase, (7) Fe-hydroxide and (8) a Ca-Mn-Fe silicate with inclusions of (3) kotulskite and (4) keithconnite. (BGR).
Location: Stream sediments of rivers in the vicinity of the original discovery of the Merensky Reef on the farm Maandagshoek close to Burgersfort in the Eastern Bushveld, South Africa.. Scale: See Image.
© Federal Institute for Geosciences and Natural Resources

Koutekite   Algodonite

Comments: Silvery metallic koutekite with darker gray algodonite.
Location: Mohawk Mine, Keweenaw County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kovdorskite

Comments: Gemmy crystal of icy blue kovdorskite.
Location: Kheleznyi Mine, Kovdor, Kola Penisula, Russia. Scale: Crystal size 1 cm.
© John Veevaert

Kozoite-(La)   Kozoite-(Nd)

Comments: Backscatter electron image of polished section through a sperical aggregate showing the zonation form kosoite-(La) to kosolite-(Nd). (JMPS, v 98, p 138).
Location: Cavity in alkaline basalt near Mitsukoshi, Saga Prefecture, Japan. Scale: See Image.
© JMPS

Kozoite-(Nd)

Comments: White grain of kozoite-(Nd) in matrix.
Location: Niikoba, Hizen-cho, Higashi-Matsuura-gun, Saga Prefecture, Kyushu Island, Japan. Scale: Picture size 6 mm.
© Thomas Witzke / Abraxas-Verlag

Kozoite-(Nd)

Comments: Photomicrograph of the spherical aggregate composed of kosoite-(Nd). (JMPS, v 98, p 138).
Location: Cavity in alkaline basalt near Mitsukoshi, Saga Prefecture, Japan. Scale: See Image.
© JMPS

Kozoite-(Nd)   Kozoite-(La)

Comments: Backscatter electron image of polished section through a sperical aggregate showing the zonation form kosoite-(La) to kosolite-(Nd). (JMPS, v 98, p 138).
Location: Cavity in alkaline basalt near Mitsukoshi, Saga Prefecture, Japan. Scale: See Image.
© JMPS

Kozulite

Comments: Dark reddish-black granular kozulite in pale pink rhodonite with dark brown braunite.
Location: Tanohata Mine, Tanohata Muro, Shimoheii gun, Iwate, Japan. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kraisslite

Comments: Yellow crystalline kraisslite in calcite.
Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kratochvilite

Comments: Pale yellow to brown crystalline crust of kratochvilite on shale.
Location: Zastavka, near Brna, Vychodocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krausite

Comments: Pale yellowish crystals of krausite on black matrix.
Location: Willi Agatz Mine, Dresden, Saxony, Germany. Scale: Picture size 1.7 mm.
© Thomas Witzke / Abraxas-Verlag

Krauskopfite

Comments: White pearly crystalline krauskopfite on quartz.
Location: Rush Creek, Fresno County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Krautite

Comments: Pale pink aggregates of krautite on greenish colored matrix.
Location: Jachymov, Bohemia, Zapadocesky, Czech Republic. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Kremersite

Comments: Orange crystals of kremersite.
Location: Anna Mine, Alsdorf, Aachen, North Rhine-Westphalia, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Krennerite

Comments: Metallic krennerite crystals on quartz.
Location: Emperor mine, Vatukoula, Viti Levu, Fiji. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Krettnichite

Comments: Dark brown to nearly black crystals of krettnichite.
Location: Johann Shaft; Jakob Tunnel (Dump), Krettnich, Wadern, Saarland, Germany. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Krettnichite   Brackebuschite

Comments: Scanning electron microscope image of a prismatic krettnichite (kr) aggregate associated with manganite (ma) and barian brackebuschite (br) in a vug. The inset is a close-up illustrating the morphology of brackebuschite. (Eur. J. Mineral, 13:146).
Location: hydrothermal manganite-quartz vein at the historic manganese deposit of Krettnich, Saarland, Germany. Scale: See Image.
© Eur. J. Mineral

Kristiansenite

Comments: Two very nice, clear, intergrown crystals of kristiansenite in pinkish matrix.
Location: Heftetjern pegmatite, T?rdal, Drangedal, Telemark, Norway. Scale: Crystal size 1 mm.
© Tom Loomis / Dakota Matrix

Krohnkite   Natrochalcite

Comments: Royal blue kr?hnkite and green natrochalcite.
Location: Chiquicamata, Chile. Scale: 3.5 x 2 cm.
© John Veevaert