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Inesite
Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
90x45mm (Autor: Heimo Hellwig) -
Inesite
Mina Fengjiashan, Edong, Daye, Prefectura Huangshi, Provincia Hubei, China
5.5 x 7.5 cm (Autor: crosstimber) -
Inesite
Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
95 x 70 x 40 mm (Autor: Rob Schnerr) -
Inesite
Mina Hale Creek, Mad River Rock, Sierra Coastal, Condado Trinity, California, USA
9 x 6 cm (Autor: Volkmar Stingl) -
Initial works with machines (Author: jesus balmaseda)
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INORGANIC CHEMISTRY (Author: Lumaes)
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inside calcite pocket (Author: thecrystalfinder)
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inside calcite pocket 1 (Author: thecrystalfinder)
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INSIDE THE ELECTROWINNING PLANT
The top photo shows the electrolytic cells during insertion of cathode plates. The middle photo shows the Copper clad cathode plates being removed from the tank for processing, and the bottom photo shows the tank charged with new blank cathode plates.
The plant included the use of permanent stainless steel cathodes. Unlike older methods that required “starter sheets” of Copper, these permanent cathodes reduced labor and operational complexities. The Copper was deposited directly onto these blanks, and then mechanically stripped off as high-purity cathode sheets.
Outokumpu’s cell designs incorporated polymer concrete cells, known for their durability and chemical resistance in the acidic electrolyte environment. A double-contact bus bar system was a characteristic feature, ensuring efficient current distribution and minimizing energy losses. Ventilation hoods were fitted for effective mist control to capture sulphuric acid mist generated during electrolysis to improve worker safety and reduce environmental emissions.
Furthermore, the plant used advanced automation for handling and stripping the Copper cathodes. This included automated cathode pulling cranes that lift the entire cell hoods and then the loaded cathodes for washing and stripping. The emphasis was on maintaining precise control over electrolyte flow, temperature, and current density to optimize Copper deposition, achieve LME (London Metal Exchange) Grade A purity, and prevent issues like dendrite formation.
The rapid expansion to 65,000 tons of Copper cathode by 2008 further underscored the plant’s success and the efficiency of its design and operations. This increased capacity demonstrated the flexibility and scalability inherent in the SX-EW process, allowing for quick responses to market demands and maximizing the economic potential of the Milpillas ore body. The partnership between Outokumpu Technology, with its deep expertise in metallurgical solutions, and Industrias Peñoles, a significant player in the Mexican mining landscape, was crucial. This collaboration brought together world-class engineering and local operational knowledge, creating a facility that not only met but exceeded expectations. The Milpillas plant truly epitomizes the advancements in sustainable and efficient Copper production that defined the early 21st century.
Original photos courtesy of Ofelia Noyola (Author: silvia)
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Intensive blue fluorite cubes with some chalcopyrite from the 450 m level, Beihilfe mine, Halsbrücke, Erzgebirge, Saxony. Sample 7,5 cm. Hope, I´ll get a better one some day... (Author: Andreas Gerstenberg)
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Inyoite
Monte Azul deposit, Sijes, Salta Prov., Argentina
4.1 x 5.3 cm.
Sharply-formed colorless pseudorhombic crystals to 2.2 cm on edge with minor meyerhofferite. (Author: crosstimber)
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Iodargyrite
Mina Friedrichssegen, Frücht, Distrito Bad Ems, Valle Lahn, Renania-Palatinado/Rheinland-Pfalz, Alemania
FOV = 1.3 (Autor: Doug) -
ioliteclaim.jpg (Author: thecrystalfinder)
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ioliteclaim1.jpg (Author: thecrystalfinder)
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ioliteclaim2.jpg (Author: thecrystalfinder)
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ioliteclaim3.jpg (Author: thecrystalfinder)
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ioliteclaim4.jpg (Author: thecrystalfinder)
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Irai.jpg (Author: Tobi)
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Iridescent Goethite; Tharsis, Huelva, Andalucía, España.
37mm tall. GN’s collection id 09ESG-001.
Stereo pair, taken in direct sunlight. (Author: Gerhard Niklasch)
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Iridescent Goethite; Tharsis, Huelva, Andalucía, España.
37mm tall. GN’s collection id 09ESG-001.
Taken in direct sunlight. (Author: Gerhard Niklasch)
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Iridescent Goethite; Tharsis, Huelva, Andalucía, España.
37mm tall. GN’s collection id 09ESG-001.
Stereo pair, taken in direct sunlight. (Author: Gerhard Niklasch)
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Iridescent Goethite; Tharsis, Huelva, Andalucía, España.
37mm tall. GN’s collection id 09ESG-001.
Taken in direct sunlight. (Author: Gerhard Niklasch)
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Iridescent pyrite on calcite.jpg (Author: Tracy)
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Iron (variety kamacite)
(Author: Michael Shaw)
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Iron (variety kamacite)
Gibeon meteorite, Gibeon, Distrito Mariental, Region Hardap, Namibia
87 mm (Autor: Gerhard Brandstetter) -
Iron bearing geode
Western Cape, South Africa
190 x 170 mm
Same as above. (Author: Pierre Joubert)
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Iron bearing geode
Western Cape, South Africa
190 x 170 mm
I found a small gully with these strange ’geodes’. I am not quiet sure what minerals are involved, although iron is almost surely one of them. (Author: Pierre Joubert)
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Iron bearing rock with strange crystals.
Western Cape, South Africa
85 x 52 mm
This black rock hosts some dark unknown crystals of a type I have never seen from this area. (Author: Pierre Joubert)
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Iron plate over an iron grate, for your safety. Don’t ask me how I could tell, but it was deep! (Author: vic rzonca)
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ironstone nodule
(Author: Forrestblyth)
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ironstone nodule
Northumberland, Inglaterra / Reino Unido
10 cm (Autor: Forrestblyth) -
Is this Adamite? its from the same batch as the Hemimorphite specimen size 17 x 20 mm (Author: nurbo)
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Is this Phenakite, Goshenite or Topaz, 15 x 3.5 x 3 mm Mogok Burma (Author: nurbo)
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is this poker chipped calcite (Author: barbie90)
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Isle of Arran, Scotland, UK
Granite, miarolitic cavities, and mountains : ) (Author: Mike Wood)
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Isle of Arran, Scotland, UK
Looking north along Glen Rosa (valley) towards the fine mountain of Cir Mhor (799m). Although the mountains of Arran are modest in height in comparison to many of Scotlands’ mountains, they possess a unique grandeur. Photo taken in november. (Author: Mike Wood)
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Isle of Skye coastline at it’s most beautiful - the ’Wilderness’ area (Duirinish), about 6 miles (10km) south of Moonen Bay. The locality of Biod a Mhurain is approximately in the centre of the photograph. June 2008. (Author: Mike Wood)
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Isoferroplatinum
Macizo Konder, Aldan shield, Distrito Ayan-Maya, Khabarovsk Krai, Rusia
0.6 × 0.6 × 0.4 cm (Autor: Jordi Fabre) -
Isoferroplatinum
Macizo Konder, Aldan shield, Distrito Ayan-Maya, Khabarovsk Krai, Rusia
0.6 × 0.6 × 0.4 cm (Autor: Jordi Fabre) -
Isolueshite
Kola Peninsula, Murmanskaja Oblast’, Northern Region, Russia
fov 0.5 mm (Author: Rewitzer Christian)
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It gets really hot up in these mountains and here we are taking a break from digging for crystals. Robertson, WC. (Author: Pierre Joubert)
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It is about 1.3x1.1x1.0 cubic cm (Author: pro_duo)
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It is about 2.5" (6.4cm) in diameter about an inch (2.54 cm) thick. (Author: Jim Prentiss)
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It is not the most beautiful mineral we have seen, but it shows an incredible quality. Groups of Hessite crystals forming spike-like growths near to 5 cm. (2½ inches) in length, and with Gold on its matrix. It is a Romanian classic specimen from the XIXth century. (Author: Joan Rosell)
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It’s about 40 cm wide by 30 cm high by about 40 lbs (ca. 18 kg). The correct location is Moosup, Connecticut. (Author: vic rzonca)
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It’s me in a pile of granite blocks after a blast. (Author: davidsoler)
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It’s unbelievable what fits in that hole.
With happy face (Author: Joan Martinez Bruguera)
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J.M. in uraninite-apatite-massive fluorite pocket. Wilberforce, Cardiff Twp., Ontario, Canada (Author: John Medici)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 2 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 1.4 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 2 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 1.2 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 1.8 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamborite/Millerite
La Gallega Mine, Ojén, Málaga, Andalusia, Spain
fov 1.5 mm
mined in 2013 (Author: Rewitzer Christian)
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Jamesonite
Graf Jost Christian mine, Wolfsberg, Harz, Saxony-Anhalt, Germany.
7 x 5,5 cm (Author: Andreas Gerstenberg)
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Jamesonite on quartz
Mina Yaogangxian, Yizhang, Prefectura Chenzhou, Provincia Hunan, China
100 x 65 mm (Autor: Manuel Mesa) -
Jamesonite on Quartz
Mina Yaogangxian, Yizhang, Prefectura Chenzhou, Provincia Hunan, China
8.0 x 4.1 x 1.8 cm (Autor: Michael Shaw) -
Jamesonite on Quartz
Mina Yaogangxian, Yizhang, Prefectura Chenzhou, Provincia Hunan, China
8.0 x 4.1 x 1.8 cm (Autor: Michael Shaw) -
Jamesonite ps. fizelyite
Herja Mine, Baia Mare, Maramures, Romania
6.0 x 8.2 cm.
Sprays of acicular fizelyite replaced by dark gray jamesonite on a plate of black sphalerite. This is a classic pseudomorph from Herja. Mined in 2001. (Author: crosstimber)
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Jamesonite San Jose, Specimen is about 8cm long. (Author: Samuel)
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Jamesonite, Barite, Pyrite
Sombrerete, Municipio Sombrerete, Zacatecas, México
70 mm X 60 mm X 58 mm (Autor: Robert Seitz) -
Jamesonite, Pyrite, Arsenopyrite, Sphalerite, Quartz
México
120 mm x 95 mm x 65 mm (Autor: Robert Seitz) -
Jamesonite, Pyrite, Quartz
Concepción del Oro, Municipio Concepción del Oro, Zacatecas, México
71mm x 58mm x 46mm (Autor: Don Lum) -
Jamesonite, Quartz, Sphalerite, Chalkopyrite
Mina Stan Trg (Stan Terg, Stari Trg), Complejo Trepča, Valle Trepča, Kosovska Mitrovica, Distrito Kosovska Mitrovica, Kosovo
10 x 7 cm (Autor: Volkmar Stingl) -
Jamesonite:
with Boulangerite, Sphalerite, Arsenopyrite and Fluorite on Dolomite
Sombrerete, Mexico (Author: Bruce Sevier)
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Jamesonite:
with Boulangerite, Sphalerite, Arsenopyrite and Fluorite on Dolomite
Sombrerete, Mexico (Author: Bruce Sevier)
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Jamesonite:
with Boulangerite, Sphalerite, Arsenopyrite and Fluorite on Dolomite
Sombrerete, Mexico (Author: Bruce Sevier)
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Jamesonite:
with Boulangerite, Sphalerite, Arsenopyrite and Fluorite on Dolomite
"Mina Sombrerete", Mexico
specimen size: 7.3 x 6 x 4.1cm (Author: Bruce Sevier)
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Japan law quartz 75 x 50 x 40 mm, Locality given as Madagascar. (Author: nurbo)
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Japan Law Twin Quartz. 7.3x5.5x4 cm (Author: José Miguel)
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Japan Law Twins (Author: nurbo)
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Japan-law twinned quartz and sphalerite from Krushev dol deposit, Bulgaria. 8x6x3 cm. (Author: Jessica Simonoff)
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Japanese Collection
Chichibu, Ashio, Kofu, Yamano-o (Author: Byron Anderson)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain
fov 3 mm (Author: ploum)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain
fov 5 mm (Author: ploum)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain
fov 0,9 mm (Author: ploum)
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Jarosite
María Josefa Mine, Rodalquilar, Níjar, Almería, Andalusia, Spain
fov 1 mm
mined in 2012 (Author: Rewitzer Christian)
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Jarosite
Santa Bárbara Mine, San José, Níjar, Almería, Andalusia, Spain
fov 3 mm
mined en 2013 (Author: Rewitzer Christian)
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Jarosite
Santa Bárbara Mine, San José, Níjar, Almería, Andalusia, Spain
fov 3 mm
mined in 2012 (Author: Rewitzer Christian)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
FOV = 1.1 mm (Author: ploum)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 0.7 mm (Author: ploum)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 0.8 mm (Author: ploum)
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Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 1.4 mm (Author: ploum)
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Jarosite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2mm (Autor: Doug) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 0.9 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 4.5 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 4.5 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.3 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.2 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.2 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.2 mm (Autor: ploum) -
Jarosite
Mina María Josefa, Rodalquilar, Níjar, Comarca Metropolitana de Almería, Almería, Andalucía, España
fov 0.85 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.4 mm (Autor: ploum) -
jarosite
Barranco del Francés, Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
(Autor: ploum) -
Jarosite
New Potosi Mine, Candelaria District, Mineral County, Nevada, USA
FOV = 1.7 mm (Autor: Doug) -
Jarosite
Barranco del Francés, Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 0.85 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
FOV 1.3mm (Autor: Carlos Pareja) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 2.3 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.8 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.8 mm (Autor: ploum) -
Jarosite
Socavón Santa Bárbara (Túnel El Arteal), Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalucía, España
fov 1.8 mm (Autor: ploum) -
Jarosite
Distrito minero Lavrion, Prefectura Attikí (Attica), Grecia
1,5 x 1 cm (Autor: Volkmar Stingl) -
Jasper vein
Hvalfjörður, Iceland (Author: Rei)
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Jasper vein
Hvalfjörður, Iceland (Author: Rei)
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Jasper vein
Hvalfjörður, Iceland (Author: Rei)
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Jasper. Cabo de Gata. Almería. Andalusia. Spain. 10 cm (Author: nimfiara)
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jasper
Mina abandonada de Ágata, Qom, Central, Irán
cm (Autor: Reyhane) -
Javmex ,
Naica Chihuahua Mexico. (Author: javmex2)
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jeffreyasbestos-1.jpg (Author: Montanpark)
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jeremejevite #2 (Author: Jim)
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Jeremejevite 2,2cm (Author: parfaitelumiere)
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Jeremejevite, Erongo Mountains, Namibia, 3.5 x .45 x .40 cm. (Author: Jim)
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Jeremejevite, Schorl
Ameib Farm 60 (Ameib Farm), Usakos, Distrito Karibib, Región Erongo, Namibia
44 mm x 21 mm x 20 mm (Autor: Don Lum) -
Jeremejevite,with schorl? Erongo, 9 x 2 x 2 mm (Author: nurbo)
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Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 0.60 mm (Autor: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 0.7 mm (Autor: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 1.1 mm (Autor: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 0.70 mm (Autor: ploum) -
Jeremejevite
Wannenköpfe, Ochtendung (Polch), Maifeld, Mayen-Koblenz, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 1.2 mm (Autor: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
fov 0.85 mm (Autor: ploum) -
Jeremejevite
Monte Erongo, Usakos, Región Erongo, Namibia
21 mm x 21 mm x 11 mm (Autor: Don Lum) -
Jeremejevite
Monte Erongo, Usakos, Región Erongo, Namibia
16 mm x 12 mm (Autor: Don Lum) -
Jeremevite
Wannenköpfe, Ochtendung (Polch), Maifeld, Mayen-Koblenz, Eifel, Renania-Palatinado/Rheinland-Pfalz, Alemania
FOV = 0.5 mm (Autor: Doug) -
Jerry Rosenthal holding one of the quartz scepter specimens from he and Ronna’s pocket. (Author: Tony L. Potucek)
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Jet
Whitby, England
approximately 65mm x 10mm x 6mm
(Author: Dale Hallmark)
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Jewel Box pocket fluorite from Rogerly, UK. Measures 12 x 6 x 5 cm and weighs 200 grams (Author: VRigatti)
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Jianshan Mine China.jpg (Author: d_hawtho)
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Jim holding the specimen. (Author: Gail)
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Jim holding this "beastie" up for me to see. (Author: Gail)
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jinkouhe2.JPG (Author: Tobi)
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jinkouhe3.JPG (Author: Tobi)
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jinkouhe4.JPG (Author: Tobi)
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Jinlong.jpg (Author: Tobi)
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jinlong3.jpg (Author: Tobi)
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jinlong4.jpg (Author: Tobi)
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jinlong5.jpg (Author: Tobi)
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jinlong_collage.JPG (Author: Tobi)
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Joaquinite-(Ce)
Benitoite Mine, New Idria District, Diablo Range, San Benito Co., California, USA (Author: Roger Warin)
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Joaquinite-(Ce)
Benitoite Mine, New Idria District, Diablo Range, San Benito Co., California, USA (Author: Roger Warin)
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Joaquinite-(Ce) on Neptunite and with Benitoite and Natrolite
Mina California State Gem (Benitoite Gem Mine), zona cabecera Río San Benito, Pico Santa Rita, Distrito New Idria, Condado San Benito, California, USA
main crystal: 2 × 0.6 cm (Autor: Jordi Fabre) -
Joaquinite-(Ce)
Mina California State Gem (Benitoite Gem Mine), zona cabecera Río San Benito, Pico Santa Rita, Distrito New Idria, Condado San Benito, California, USA
3.5 x 6.5 cm, FOV ~ 1.0 cm (Autor: crosstimber) -
Joaquinite-(Ce)
Mina California State Gem (Benitoite Gem Mine), zona cabecera Río San Benito, Pico Santa Rita, Distrito New Idria, Condado San Benito, California, USA
fov 1.17 mm (Autor: ploum) -
Joaquinite
Benitoite Gem Mine, New Idria District, Diablo Range, San Benito Co., California, USA
FOV 0.5 mm (Author: ploum)
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Joaquinite
San Benito Gem Mine, New Idria, San Benito County, California, USA
fov 1.5 mm (Author: Rewitzer Christian)
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Joaquinite
Mina California State Gem (Benitoite Gem Mine), zona cabecera Río San Benito, Pico Santa Rita, Distrito New Idria, Condado San Benito, California, USA
fov 1 mm (Autor: ploum) -
Joey Galt around 1100 ft. down in Faraday Mine. (Joey’s husband Eric had his ID stolen by James Earl Ray, Martin Luther King’s assassin, during his flight to Canada) (Author: John Medici)
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Johachidolith / Scapolite (Marialit Meionit-Series) / Sodalite, variety: Hackmanite / phlogopite
Pyan Gyi Mine (west of Pyan Pyit), northwest of Mogok, Burma (Myanmar)
Size: 43,6 x 27,8 x 25,6 mm (Author: Leon56)
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John S. White scored early with a fine amethyst quartz floater. Don’t let the name on the box fool you. John is not pure except in knowledge! Ha, ha! (Author: Tony L. Potucek)
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John still supervising! (Author: John S. White)
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John Veevaert on the left is expressing his "disappointment" to mucho ebullient Nick Skirkanich upon Nick finding another fine quartz head. Dan Kennedy is in the background, finding a lot of humor in the moment. (Author: Tony L. Potucek)
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John Veevaert supervising. (Author: John S. White)
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John White was our guest speaker for the MAD meeting in our home. He and Merle came for the weekend. (Author: Gail)
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Johnbaumite and Olshanskyite
Mina Shijiangshan, Aldea Shijiangshan, Yinwu, Linxi, Ulanhad League, Región Autónoma Mongolia Interior, China
FOV 9 mm (Autor: Cesar M. Salvan) -
Johnbaumite
Mina Shijiangshan, Aldea Shijiangshan, Yinwu, Linxi, Ulanhad League, Región Autónoma Mongolia Interior, China
FOV 1.2 cm (Autor: Cesar M. Salvan) -
Johnbaumite
Mina Shijiangshan, Aldea Shijiangshan, Yinwu, Linxi, Ulanhad League, Región Autónoma Mongolia Interior, China
2,5 x 2 cm (Autor: Volkmar Stingl) -
Johnbaumite
Mina Shijiangshan, Aldea Shijiangshan, Yinwu, Linxi, Ulanhad League, Región Autónoma Mongolia Interior, China
2,5 x 2 cm (Autor: Volkmar Stingl) -
Johnbaumite
Mina Shijiangshan, Aldea Shijiangshan, Yinwu, Linxi, Ulanhad League, Región Autónoma Mongolia Interior, China
2,5 x 2 cm (Autor: Volkmar Stingl) -
Jonas Back side 2.jpg (Author: VRigatti)
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Jonas Back side.jpg (Author: VRigatti)
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Jonas front zoom.jpg (Author: VRigatti)
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Jordanite
Fantiscritti quarry, Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy
0.86 mm complex Jordanite crystal (Author: Matteo_Chinellato)
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Jordanite
Fantiscritti quarry, Carrara, Apuan Alps, Massa-Carrara Province, Tuscany, Italy
Very nice 2.85 mm group of Jordanite crystals (Author: Matteo_Chinellato)
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Jordanite
Cantera Lengenbach, Fäld, Valle Binn (Binntal), Wallis (Valais), Suiza
fov 1.8 mm (Autor: ploum) -
Jordi’s beautiful label. And Jordi would not be Jordi without a nice personal note on the label or on the invoice. I told him before that I was searching for a HIGHLIGHT for my collection - and so he wrote this on the backside :-) (Author: Tobi)
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Jordi’s XRD pattern of his South Africa rhodochrosite(?); colored as to rhodo. vs. kutno. XRD lines (Author: Pete Modreski)
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Joteite
Mina Jote, Distrito Pampa Larga, Tierra Amarilla, Provincia Copiapó, Región Atacama, Chile
(Autor: Rewitzer Christian) -
Julgoldite (Pumpellyite Group) on Prehnite
Southbury, New Haven County, Connecticut, USA
Specimen size 10x10 cm. (Author: vic rzonca)
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Jungite - Hagendorf, Bavaria, Germany. 0.5 mm. (Author: Rewitzer Christian)
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Juonniite
Kola Peninsula, Murmanskaja Oblast’, Northern Region, Russia
fov 0.5 mm (Author: Rewitzer Christian)
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Just 5 km from Blesberg (close to the Namibia border) is the entrance to another mine, Swartberg. The building in the picture was a little roadside shop. When the owner, who also sold minerals, died the place closed down and was plundered. (Author: Pierre Joubert)
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Just kidding. (Author: vic rzonca)
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Just left the paved road and heading toward Petersen Mtn. in the distance. (Author: John S. White)
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Just one more photo then - from the path down from the Courvercle Hut to the Mer de Glace, looking across to the ’Chamonix Aiguilles’.
Photo scanned from slide. (Author: Mike Wood)
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K Feldspar (variety adularia), Chlorite Group, Quartz
Cordillera Alpes Neozelandeses, Nueva Zelanda
5.3 x 3.8 cm (Autor: am mizunaka)K Feldspar (variety adularia), Chlorite Group, Quartz
Cordillera Alpes Neoz -
K Feldspar and Spessartine
Tongbei, Yunxiao, Prefectura Zhangzhou, Provincia Fujian, China
49 mm x 40 mm x 26 mm (Autor: Dany Mabillard) -
K-Feldspar (variety adularia), Rutile, Chlorite
Valle Habach, Salzburgo/Salzburg, Austria
56 x 50 mm (Autor: Sante Celiberti)K-Feldspar (variety adularia), Rutile, Chlorite
Valle Habach, Salzburgo -
Kaersutite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 4mm (Autor: Doug) -
Kaersutite
Predazzo, Valle Fiemme, Provincia Trento, Trentino-Alto Adige (Trentino-Südtirol), Italia
72 x 62 mm (Autor: Sante Celiberti) -
Kainosite-(Y)
Mina Whitesmith, Strontian, Lochaber, Argyll and Butte, Escocia / Reino Unido
FOV = 2.0 mm (Autor: Doug) -
Kainosite-(Y)
Washington Pass, Batolito Golden Horn, Condado Okanogan, Washington, USA
FOV = 1.2 mm (Autor: Doug) -
Kakoxenite - Miguel Vacas Mine, Portugal. 1.5 mm (Author: Rewitzer Christian)
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Kalahari manganese fields baryte, manganovesuvianite, hausmanite on matrix-south africa.jpg (Author: Anton Potgieter)
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Kalahari manganese fields bixbyite crystals on calcite crystal cluster-south africa.jpg (Author: Anton Potgieter)
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Kalahari manganese fields manganovesuvianite crystals on matrix-south africa.jpg (Author: Anton Potgieter)
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Kalahari manganese fields olmiite and calcite crystals on matrix-south africa.jpg (Author: Anton Potgieter)
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Kambaldaite - Kambalda, Australia. 2 mm. (Author: Rewitzer Christian)
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Kambaldaite and Widgiemoolthalite
132 North Mine, Widgiemooltha, Western Australia
Photo width is 5mm (Author: crocoite)
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Kapellasite
Mina Casualidad, Cordillera de los Picachos, Baños de Sierra Alhamilla, Pechina, Comarca Metropolitana de Almería, Almería, Andalucía, España
FOV 1,6 mm (Autor: Rewitzer Christian) -
Karibibite from Oumlil Mine, Bou Azzer, Tazenakht, Morocco.
Field of view:3.4 mm (Author: Rewitzer Christian)
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Karibibite on Lollingite matrix from Oumlil Est Quarry, Bou Azzer area, Morocco. Approx 50 x 42 x 30 mm, colected in 2006 (Author: Tracy)
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Karibibite
Mina Oumlil, Oumlil, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
fov 1.8 mm (Autor: ploum) -
Karibibite
Mina Oumlil, Oumlil, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
fov 2.2 mm (Autor: ploum) -
Karibibite
Mina Oumlil, Oumlil, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
fov 2.6 mm (Autor: ploum) -
Karibibite
Mina Oumlil, Oumlil, distrito minero Bou Azzer, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
5.2 × 2.9 × 3.4 cm (Autor: Jordi Fabre) -
Karpholite, quartz
Sengelbach, Biesenrode, Harz, Saxony-Anhalt, Germany.
12 x 5 cm
Wire-shaped aggregate, polished. The Biesenrode-Wippra area is the only karpholite occurence in Germany and one of the classic locations for that mineral. (Author: Andreas Gerstenberg)
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Kasolite and Malachite
República Democrática del Congo (Zaire)
fov 2.2 mm (Autor: ploum) -
Kasolite and Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite and Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite and Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 4.5 mm (Autor: ploum) -
Kasolite et torbernite
Musonoi, katanga, R.D.CONGO
fov 1.2 mm (Author: ploum)
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Kasolite on Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite with Malachite and Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 2.2 mm (Autor: ploum) -
Kasolite with Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite with Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 0.9 mm (Autor: ploum) -
Kasolite, Torbernite, Malachite and Cuprosklodowskite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite, Torbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 2 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.7 mm (Autor: ploum) -
Kasolite
Mina San Rafael, Cardeña, Comarca Los Pedroches, Córdoba, Andalucía, España
FOV of 2.91mm (Autor: ofarcis) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.8 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.7 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.7 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 0.9 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.5 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.5 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.4 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.1 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 2.2 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.6 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.50 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.05 mm (Autor: ploum) -
Kasolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 1.56 mm (Autor: ploum) -
Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Katlang Shamozai mining area , District Mardan , Pakistan (Author: ikram)
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Kazolite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 0.75 mm (Autor: ploum) -
Kegelite close up
Tsumeb, Namibia
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Kegelite with Mimetite
Tsumeb, Namibia
Analyzed by Raman spectroscopy standard
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Ken Roberts and vintner Brett Keller in a lighter moment of digging quartz crystals on Petersen Mountain. (Author: Tony L. Potucek)
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Ken Roberts working a pocket. (Author: Tony L. Potucek)
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Ken Roberts, Neil Prenn and Ian Merkel checking fresh ground for pockets. Ian worked for the consortium of owners and was a great help. (Author: Tony L. Potucek)
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Ken Roberts, veteran mineral dealer, with another quartz find. (Author: Tony L. Potucek)
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Kentbrooksite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2mm (Autor: Doug) -
Kentrolite
Cantera Torr Works (Cantera Merehead), Cranmore, Distrito Mendip, Somerset, Suroeste de Inglaterra, Inglaterra / Reino Unido
FOV = 4.0 mm (Autor: Doug) -
Kermesite, Stibnite
Pezinok, Distrito Pezinok, Region Bratislava, Eslovaquia
10.0 x 7.2 cm (Autor: am mizunaka) -
Kermesite
Mina de Kermesitas, Montes Damingshan, Dafeng, Shanglin, Prefectura Nanning, Región Autónoma Guangxi Zhuang, China
7 cm (Autor: Gerhard Brandstetter) -
Kermesite
Pezinok, Distrito Pezinok, Region Bratislava, Eslovaquia
9.5 x 5 x 6 cm (Autor: JC) -
Kermesite
Pezinok, Distrito Pezinok, Region Bratislava, Eslovaquia
9.5 x 5 x 6 cm (Autor: JC) -
Kermesite
Mina de Kermesitas, Montes Damingshan, Dafeng, Shanglin, Prefectura Nanning, Región Autónoma Guangxi Zhuang, China
4.2 x 2.2 cm (Autor: am mizunaka) -
Kermesite
Mina de Kermesitas, Montes Damingshan, Dafeng, Shanglin, Prefectura Nanning, Región Autónoma Guangxi Zhuang, China
11.2 x 1.4 cm (Autor: am mizunaka) -
Kermesite
Pezinok, Distrito Pezinok, Region Bratislava, Eslovaquia
5 x 3 cm (Autor: Volkmar Stingl) -
Kermesite
Pezinok, Distrito Pezinok, Region Bratislava, Eslovaquia
32 x 25 mm (Autor: Sante Celiberti) -
Kësterite and Mushistonite with Beryl
Shaobaodin Mountains, Pingwu, Sichuan, China
Mined in 2003
Specimen size: 6.8 × 6 × 4.5 cm
Main Kësterite crystal size: 0.6 × 0.5 cm (Author: Jordi Fabre)
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Kesterite on Muscovite
Mt. Xuebaoding
Pingwu County, Mianyang Prefecture, Sichuan Province
China
4.5 x 3.2 x 3.2 cm (Author: GneissWare)
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Kesterite, China (Author: Gail)
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