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IMG_4173.JPG (Author: Tobi)
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IMG_4174.JPG (Author: Tobi)
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IMG_4175.JPG (Author: Tobi)
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IMG_4177.JPG (Author: Tobi)
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IMG_4178.JPG (Author: Tobi)
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IMG_4182.JPG (Author: Tobi)
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IMG_4183.JPG (Author: Tobi)
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IMG_4184.JPG (Author: Tobi)
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IMG_4185.JPG (Author: Tobi)
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IMG_4188.JPG (Author: Tobi)
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IMG_4189.JPG (Author: Tobi)
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IMG_4190.JPG (Author: Tobi)
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IMG_4192.JPG (Author: Tobi)
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IMG_4193.JPG (Author: Tobi)
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IMG_4194.JPG (Author: Tobi)
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IMG_4196.JPG (Author: Tobi)
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IMG_4197.JPG (Author: Tobi)
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IMG_4206.JPG (Author: Tobi)
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IMG_4217.JPG (Author: Tobi)
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IMG_4218.JPG (Author: Tobi)
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IMG_4220.JPG (Author: Tobi)
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IMG_4221.JPG (Author: Tobi)
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IMG_4222.JPG (Author: Tobi)
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IMG_4223.JPG (Author: Tobi)
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IMG_4224.JPG (Author: Tobi)
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IMG_4225.JPG (Author: Tobi)
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IMG_4226.JPG (Author: Tobi)
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IMG_4232.JPG (Author: Tobi)
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IMG_4233.JPG (Author: Tobi)
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IMG_4235.JPG (Author: Tobi)
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IMG_4411.JPG (Author: vic rzonca)
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Peñas Blancas Mine, Municipio San Pablo de Borbur, Western Emerald Belt, Boyacá Department, Colombia
72x40x68mm, xl=30mm (Author: Fiebre Verde) -
IMG_4757.JPG (Author: vic rzonca)
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La Pita mining district, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
40mm across, xl=15mm (Author: Fiebre Verde) -
IMG_5989.JPG (Author: Gail)
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La Pita mining district, Polveros Mine, Municipio Maripí, Western Emerald Belt, Boyacá Department, Colombia
80x55x80mm (Author: Fiebre Verde) -
IMG_6393.JPG (Author: franjungle)
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IMG_6395.JPG (Author: franjungle)
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Chebka Sidi Said, Midelt Province, Drâa-Tafilalet Region, Morocco
9.4cm X 7.7cm (Author: Richard Arseneau) -
IMG_9276.JPG (Author: Tobi)
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IMG_9277.JPG (Author: Tobi)
-
IMG_9279.JPG (Author: Tobi)
-
IMG_9280.JPG (Author: Tobi)
-
IMG_9281.JPG (Author: Tobi)
-
IMG_9282.JPG (Author: Tobi)
-
IMG_9284.JPG (Author: Tobi)
-
IMG_9285.JPG (Author: Tobi)
-
IMG_9287.JPG (Author: Tobi)
-
IMG_9288.JPG (Author: Tobi)
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IMG_9289.JPG (Author: Tobi)
-
IMG_9290.JPG (Author: Tobi)
-
IMG_9299.JPG (Author: Tobi)
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IMG_9300.JPG (Author: Tobi)
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IMG_9301.JPG (Author: Tobi)
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Imiterite
Imiter Mine, Imiter, Djebel Saghro, Ouarzazate, Souss-Massa-Draâ, Morocco
fov 2 mm (Author: Rewitzer Christian)
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Imiterite
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region, Morocco
2,5 x 1,5 cm (Author: Volkmar Stingl) -
Imiterite
Imiter Mine, Jebel Saghro, Imiter District, Tinghir Province, Drâa-Tafilalet Region, Morocco
2,5 x 1,5 cm (Author: Volkmar Stingl) -
In decending order left to right. 100 ton, 60 ton, 30 ton psi. lifting force. All in vain today. (Author: vic rzonca)
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In July 2005 myself and two comrades attempted to climb the Aiguille du Moine (as mentioned earlier). Two of us slept out under the stars (bivouac), while the other stayed in the Courvercle Hut for the night. Mark (pictured) went back down to the valley in the morning, not fancying the look of the weather, and seemingly remembering he’d climbed the mountain before! (Author: Mike Wood)
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In local manganocretes are collected. BR 354 C/ BR 262, Córrego Danta, Minas Gerais, Brasil (Author: Anísio Cláudio)
-
In sunlight
Fluorite, Galena, cerussite (?)
Rogerley Mine, Weardale, Co Durham, England, UK.
Fluorite to 7 mm (Author: nurbo)
-
In this other image a beautiful crystal of slightly bluish hexaquisoctahedral habit can be seen and with the particularity show lines of growth in its interior. The edge mesures 5.5 cm.
Jeff Scovil photo (Author: jrg)
-
In UV light
Fluorite, Galena, cerussite (?)
Rogerley Mine, Weardale, Co Durham, England, UK.
Fluorite to 7 mm (Author: nurbo)
-
Inclusão de Cetro de Turmalina em Quartzo bi-terminado - medida do quartzo 17,5 cm X 5,0 cm X 3,5 cm (Author: silvio steinhaus)
-
Inclusão de Cetro de Turmalina em Quartzo bi-terminado - medida do Cetro - 2,2 cm X 0,5 cm X 0,5 cm (Author: silvio steinhaus)
-
Inclusions of the previous crystal. (Author: José Miguel)
-
Incorrect label (Author: nurbo)
-
Indicolite (Tourmaline), Lepidolite
Minas Gerais, Brazil
6.3 x 4.2 x 2.5 cm
Penetrator Crystal (Author: Don Lum)
-
indoor light
Fluorite, Galena, cerussite (?)
Rogerley Mine, Weardale, Co Durham, England, UK.
Fluorite to 7 mm (Author: nurbo)
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Inesite
Fengjiashan Mine, Daye Co., Huanshi Pref., Hubei Prov., China
1.7 x 2.3 cm.
Acicular pink inesite crystals with scattered brown hubeite. (Author: crosstimber)
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Inesite
N’Chwaning II Mine, Kuruman, N. Cape Prov., South Africa
7.2 x 9.6 cm.
Acicular salmon-colored inesite crystals to 3 mm arranged in radial clusters on a plate of vuggy brown matrix. (Author: crosstimber)
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Inesite
N’Chwaning II Mine, Kuruman, N. Cape Prov., South Africa
7.0 x 9.5 cm
Acicular salmon-colored inesite crystals on a vuggy brown matrix with a few colorless micro-crystals of apophyllite on the bottom of the specimen. (Author: crosstimber)
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Inesite
N’Chwaning II Mine, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
10 x 4 cm (Author: Don Lum)
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Inesite
N’Chwaning II Mine, N’Chwaning Mines, Kuruman, Kalahari manganese field, Northern Cape Province, South Africa
10 x 4 cm (Author: Don Lum)
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Inesite on Quartz
Daye Mine,
Hebei Province, China (Author: Gail)
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Inesite with Hubeite and pyrite on quartz with fluorapophyllite epitaxially coating calcite.
Fengjiashan Mine, Daye Co., Huangshi, Hubei, China
10.3 cm x 12.8 cm x 7.6 cm (Author: Gail)
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Inesite with Hubeite, Apophyllite, Quartz. 5.7 x 5.0 x 5.0 cm (Author: José Miguel)
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Inesite, Hubeite, Quartz, 'Apophyllite'
Fengjiashan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province, China
6 x 4 cm (Author: Volkmar Stingl) -
Inesite
Monte Nero Mine, Rocchetta Vara, La Spezia Province, Liguria Region, Italy
5 x 4 cm (Author: Volkmar Stingl) -
Inesite
N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
90x45mm (Author: Heimo Hellwig) -
Inesite
N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
90x45mm (Author: Heimo Hellwig) -
Inesite
N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
90x45mm (Author: Heimo Hellwig) -
Inesite
N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
90x45mm (Author: Heimo Hellwig) -
Inesite
Fengjiashan Mine, Edong, Daye, Huangshi Prefecture, Hubei Province, China
5.5 x 7.5 cm (Author: crosstimber) -
Inesite
N'Chwaning mining area, Kuruman, Kalahari manganese field (KMF), Northern Cape Province, South Africa
95 x 70 x 40 mm (Author: Rob Schnerr) -
Inesite
Hale Creek Mine, Mad River Rock, Coastal Range, Trinity County, California, USA
9 x 6 cm (Author: 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
Friedrichssegen Mine, Frücht, Bad Ems District, Lahn Valley, Rhineland-Palatinate/Rheinland-Pfalz, Germany
FOV = 1.3 (Author: 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, Mariental District, Hardap Region, Namibia
87 mm (Author: 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, England / United Kingdom
10 cm (Author: 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
Konder Massif, Aldan shield, Ayan-Maya District, Khabarovsk Krai, Russia
0.6 × 0.6 × 0.4 cm (Author: Jordi Fabre) -
Isoferroplatinum
Konder Massif, Aldan shield, Ayan-Maya District, Khabarovsk Krai, Russia
0.6 × 0.6 × 0.4 cm (Author: 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
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
100 x 65 mm (Author: Manuel Mesa) -
Jamesonite on Quartz
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
8.0 x 4.1 x 1.8 cm (Author: Michael Shaw) -
Jamesonite on Quartz
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
8.0 x 4.1 x 1.8 cm (Author: 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, Mexico
70 mm X 60 mm X 58 mm (Author: Robert Seitz) -
Jamesonite, Pyrite, Arsenopyrite, Sphalerite, Quartz
Mexico
120 mm x 95 mm x 65 mm (Author: Robert Seitz) -
Jamesonite, Pyrite, Quartz
Concepción del Oro, Municipio Concepción del Oro, Zacatecas, Mexico
71mm x 58mm x 46mm (Author: Don Lum) -
Jamesonite, Quartz, Sphalerite, Chalkopyrite
Stan Trg (Stan Terg, Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District, Kosovo
10 x 7 cm (Author: 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)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain
fov 5 mm (Author: ploum)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora, Almería, Andalusia, Spain
fov 0,9 mm (Author: ploum)
-
Jarosite
María Josefa Mine, Rodalquilar, Níjar, Almería, Andalusia, Spain
fov 1 mm
mined in 2012 (Author: Rewitzer Christian)
-
Jarosite
Santa Bárbara Mine, San José, Níjar, Almería, Andalusia, Spain
fov 3 mm
mined en 2013 (Author: Rewitzer Christian)
-
Jarosite
Santa Bárbara Mine, San José, Níjar, Almería, Andalusia, Spain
fov 3 mm
mined in 2012 (Author: Rewitzer Christian)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
FOV = 1.1 mm (Author: ploum)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 0.7 mm (Author: ploum)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 0.8 mm (Author: ploum)
-
Jarosite
El Arteal tunnel, Sierra Almagrera, Cuevas del Almanzora (Cuevas de Vera), Almería, Andalusia, Spain
fov = 1.4 mm (Author: ploum)
-
Jarosite
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 2mm (Author: Doug) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 0.9 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 4.5 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 4.5 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.3 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.2 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.2 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.2 mm (Author: ploum) -
Jarosite
María Josefa Mine, Rodalquilar, Níjar, Comarca Metropolitana de Almería, Almería, Andalusia, Spain
fov 0.85 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.4 mm (Author: ploum) -
jarosite
Barranco del Francés, Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
(Author: ploum) -
Jarosite
New Potosi Mine, Candelaria District, Mineral County, Nevada, USA
FOV = 1.7 mm (Author: Doug) -
Jarosite
Barranco del Francés, Sierra Almagrera, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 0.85 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
FOV 1.3mm (Author: Carlos Pareja) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 2.3 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.8 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.8 mm (Author: ploum) -
Jarosite
Socavón Santa Bárbara (El Arteal Tunnel), Almagrera Range, Cuevas del Almanzora, Comarca Levante Almeriense, Almería, Andalusia, Spain
fov 1.8 mm (Author: ploum) -
Jarosite
Lavrion Mining District, Attikí (Attica) Prefecture, Greece
1,5 x 1 cm (Author: Volkmar Stingl) -
Jasper vein
Hvalfjörður, Iceland (Author: Rei)
-
Jasper vein
Hvalfjörður, Iceland (Author: Rei)
-
Jasper vein
Hvalfjörður, Iceland (Author: Rei)
-
Jasper. Cabo de Gata. Almería. Andalusia. Spain. 10 cm (Author: nimfiara)
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jasper
Abandoned Agate Mine, Qom, Central, Iran
cm (Author: 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, Karibib District, Erongo Region, Namibia
44 mm x 21 mm x 20 mm (Author: Don Lum) -
Jeremejevite,with schorl? Erongo, 9 x 2 x 2 mm (Author: nurbo)
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Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 0.60 mm (Author: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 0.7 mm (Author: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 1.1 mm (Author: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 0.70 mm (Author: ploum) -
Jeremejevite
Wannenköpfe, Ochtendung (Polch), Maifeld, Mayen-Koblenz, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 1.2 mm (Author: ploum) -
Jeremejevite
Emmelberg, Üdersdorf, Daun, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 0.85 mm (Author: ploum) -
Jeremejevite
Erongo Mountain, Usakos, Erongo Region, Namibia
21 mm x 21 mm x 11 mm (Author: Don Lum) -
Jeremejevite
Erongo Mountain, Usakos, Erongo Region, Namibia
16 mm x 12 mm (Author: Don Lum) -
Jeremevite
Wannenköpfe, Ochtendung (Polch), Maifeld, Mayen-Koblenz, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
FOV = 0.5 mm (Author: 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
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
main crystal: 2 × 0.6 cm (Author: Jordi Fabre) -
Joaquinite-(Ce)
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
3.5 x 6.5 cm, FOV ~ 1.0 cm (Author: crosstimber) -
Joaquinite-(Ce)
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
fov 1.17 mm (Author: 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
California State Gem Mine (Benitoite Gem Mine), San Benito River headwaters area, Santa Rita Peak, New Idria District, San Benito County, California, USA
fov 1 mm (Author: 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
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
FOV 9 mm (Author: Cesar M. Salvan) -
Johnbaumite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
FOV 1.2 cm (Author: Cesar M. Salvan) -
Johnbaumite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
2,5 x 2 cm (Author: Volkmar Stingl) -
Johnbaumite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
2,5 x 2 cm (Author: Volkmar Stingl) -
Johnbaumite
Shijiangshan Mine, Shijiangshan village, Yinwu, Linxi, Ulanhad League, Inner Mongolia Autonomous Region, China
2,5 x 2 cm (Author: 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
Lengenbach Quarry, Fäld, Binn Valley (Binntal), Wallis (Valais), Switzerland
fov 1.8 mm (Author: 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
Jote Mine, Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Region, Chile
(Author: 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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