-
tu002_3.jpg (Author: olelukoe)
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tu003_1.jpg (Author: olelukoe)
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tu003_3.jpg (Author: olelukoe)
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tu005_2.jpg (Author: olelukoe)
-
tu005_3.jpg (Author: olelukoe)
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tu028_2.jpg (Author: olelukoe)
-
tu047_2.jpg (Author: olelukoe)
-
tu056_1.jpg (Author: olelukoe)
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tu058_1.jpg (Author: olelukoe)
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tu058_2.jpg (Author: olelukoe)
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Tuff
Mina abandonada de Ágata, Qom, Central, Irán
cm (Autor: Reyhane) -
Tuff
Mina abandonada de Ágata, Qom, Central, Irán
cm (Autor: Reyhane) -
Tugtupite, Albite
Ilímaussaq Intrusive Complex, Narsaq, Greenland
max measurement: 3 cm
These pieces small but show relatively good quality Tugtupite. They are all dry and have NOT been irradiated with UV right before the shot. (Author: kakov)
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Tugtupite, Pyrochlore, Neptunite
Ilímaussaq Intrusive Complex, Narsaq, Greenland
9 x 4 x 2 cm
(irradiated with SWUV before the shot)
Focus on relevant area and comments to Neptunite and Pyrochlore on the next pic. (Author: kakov)
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Tugtupite
FOV = 4mm
(Author: Doug)
-
Tundrite-(Ce)
FOV = 4mm
(Author: Doug)
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Tunellite
Depósito Kramer Hills, Zona Boron, Colinas Kramer, Condado San Bernardino, California, USA
4.5 x 5.7 cm (Autor: crosstimber) -
Tungstenite
Cantera Crevoladossola, Crevoladossola, Provincia Verbano-Cusio-Ossola, Piamonte (Piemonte), Italia
36,5 x 20,5 mm (Autor: Sante Celiberti) -
Tungstenite
Cantera Crevoladossola, Crevoladossola, Provincia Verbano-Cusio-Ossola, Piamonte (Piemonte), Italia
36,5 x 20,5 mm (Autor: Sante Celiberti) -
Tuperssuatsiaite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 4mm (Autor: Doug) -
TURMALIN.JPG (Author: Tobi)
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Turmalina com muitas variações de cores - 5,2 cm X 2,0 cm X 1,6 cm
Minas Gerais, Brasil (Author: silvio steinhaus)
-
Turmalina Melancia, 3,2 cm X 1,5 cm X 1,2 cm
Minas Gerais, Brasil (Author: silvio steinhaus)
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Turquoise
Itatiaiussú. Minas Gerais. Brazil
FOV 8,15mm
2,7x. Focus rail MacroRail. Canon EOS 600D. Ikea Lights.
Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)
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Turquoise
Mashhad County, Razavi Khorasan Province, Iran
1.5 cm (Author: h.abbasi)
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Turquoise
Mashhad County, Razavi Khorasan Province, Iran
5 x 4 x 1 cm
Fresh fracture (Author: Josele)
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Turquoise
Mashhad County, Razavi Khorasan Province, Iran
5 x 4 x 1 cm
Piece polished on one side. Nice soft greenish-blue colour.
Bought personally in a lapidary shop in Mashhad in 1972 (Author: Josele)
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Turquoise after Beryl, Quartz
Mina Apache, Monte Turquoise, Distrito Halloran Springs, San Bernardino County, California, USA
1.8 x 2.2 cm (Autor: am mizunaka) -
Turquoise from Chrieschwitz, Plauen, Voigtland, Saxony. 8 cm sample having been found during construction works in 1977. (Author: Andreas Gerstenberg)
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Turquoise, Quartz
Mina Bishop, Lynch Station, Condado Campbell, Virginia, USA
5 cm (Autor: JC) -
Turquoise
Palazuelo de las Cuevas, San Vicente de la Cabeza, Comarca Aliste, Zamora, Castilla y León, España
fov 0.7 mm (Autor: Rewitzer Christian) -
Turquoise
Palazuelo de las Cuevas, San Vicente de la Cabeza, Comarca Aliste, Zamora, Castilla y León, España
fov 0.5 mm (Autor: Rewitzer Christian) -
Turquoise
Concepción del Oro, Municipio Concepción del Oro, Zacatecas, México
10 x 7.5 x 4.5 centimeters (Autor: Ricardo Melendez) -
Turquoise
Depósito Nishâpûr, Monte Ali-mersai, Nishâpûr, Provincia Razavi Khorasan, Irán
6 * 5 * 5 cm (Autor: h.abbasi) -
Turquoise
Cantera Tinfoss Jernverks Quartz, Lago Heddal, Notodden, Telemark, Østlandet, Noruega
FOV = 2.0 mm (Autor: Doug) -
Turquoise
Mina Mineral Park, Pico Ithaca, Montes Cerbat, Kingman, Distrito Mineral Park, Condado Mohave, Arizona, USA
10.8 x 7.5 x 6.0 cm (Autor: Michael Shaw) -
Turquoise
Distrito Tombstone, Condado Cochise, Arizona, USA
11.8 x 6.5 x 4.0 cm (Autor: Michael Shaw) -
Turquoise
Montes Cerbat, Kingman, Distrito Kingman, Condado Mohave, Arizona, USA
9.8 x 7.1 x 3.4 cm (Autor: Michael Shaw) -
turtle.jpg (Author: vic rzonca)
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Tuscanite
Levane, Bucine, Valdarno (Val d'Arno), Provincia Arezzo, Toscana, Italia
FOV = 4.0 mm (Autor: Doug) -
Tuscanite
Biachella Valley, Caldera di Sacrofano, Magliano Romano, Provincia Roma, Lacio/Lazio, Italia
3,5 x 3 cm (Autor: Volkmar Stingl) -
twin on (110)
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
(Autor: Roger Warin) -
Twin xtals with light.JPG (Author: VRigatti)
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twinned calcite (Author: barbie90)
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Twinned Galena 25 x 25 mm, Locality is given as Alston Moor, Cumbria, UK (Author: nurbo)
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Twinned Rogerley Fluorites to 15 mm (Author: nurbo)
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Twinned rutile
Semenic Mountains
28x20x20 mm (Author: mihailovici79)
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Twinned rutile
Semenic Mountains, Romania
28x20x20 mm (Author: mihailovici79)
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Two apex Quartz xls.
Size: 43 mm (Author: h.abbasi)
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Two intergrown chabazite crystals (about 3 cm each!) from the famous find at Alter Stein quarry, Allendorf, Westerwald. (Author: Andreas Gerstenberg)
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Two large, opaque fluorapophyllite crystals (and a third, smaller one) stuck together at a strange angle with smalller crystals attached and covered by scattered stilbite bowties about 2 mm long. From Jalgaon, Maharashtra, India. Approx. 92 x 36 x 30 mm. (Author: Tracy)
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two lussatite pearls on matrix
3 cm,
Dallet in Puy-de Dôme,
Auvergne
France (Author: parfaitelumiere)
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Two old Senckenberg museum labels. The translation of the text as follws: Nickelspießglanzerz (an old German name for ullmannite) from the Baudenberg hill near Neunkirchen/collected in April 1810. (Author: Andreas Gerstenberg)
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Two pink tourmalines with perfect green terminations on a really nice smokey quartz. This is from Paprok, Afghanistan and is 9 cm tall, and 7 cm in width and length. Weighs 250 grams (Author: VRigatti)
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Two three and a half pounders from a nearby stream. (Author: Pierre Joubert)
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Two tiger eye spheres, 40mm (Author: farmukanx)
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Type locality: 5 mm arseno-uranospathite on blackish quartz from the Krunkelbach Uranium prospect, Menzenschwand, Black Forest. (Author: Andreas Gerstenberg)
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Typical dolomite rhombs covered with chalkopyrite crystals (5-6 mm) and some baryte on the backside from Dreislar baryte mine, Sauerland, Westphalia. Ex Tobias Martin collection;-) (Author: Andreas Gerstenberg)
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Typical mountain scenery from this area. (Author: Pierre Joubert)
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Typical quartz and calcite in dolostone. (Author: vic rzonca)
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Typical quartz from last mentioned quartz veins. (Author: Pierre Joubert)
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Typical quartz sample (undamaged) from the St. Anna mine, Ochsental valley near Lautenthal, Harz mtns. Here some very old dumps (coper mines) are located where you still can find these quartz crystals (but not in this quality). Although terrific samples have been found the locality is nearly unknown. (Author: Andreas Gerstenberg)
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Typical record from the Folch collection (back) (Author: Jordi Fabre)
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Typical record from the Folch collection (front) (Author: Jordi Fabre)
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Typical road in town. (Author: Pierre Joubert)
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Typical thin ’pegmatite’ vein in the granite of Ben a’ Bhuird. (Author: Mike Wood)
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Typically shaped struvite crystal from the type locality Hamburg. These crystals were found when ancient manure pits having been discovered during the construction of the St. Nikolay church. (Author: Andreas Gerstenberg)
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Tyrolite
Delfina Mine (Alda mine; Minona), Hoyos de Alda, Ortiguero, Prado, Cabrales, Asturias, Spain.
5,8x5,5cm.
Group of crystals; 1,3 cm. The crystals are definifos 0.6 cm and finished at the ends. (Author: DAni)
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Tyrolite, Azurite, Malachite
Distrito minero Ringenwechsel, Troi, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
3 x 1,5 cm (Autor: Volkmar Stingl) -
Tyrolite, Azurite, Quartz, minor Malachite
Flirscher Schihütte, Strengen, Distrito Landeck, Tirol Norte, Tirol, Austria
ca. 6 x 4 mm (Autor: Volkmar Stingl) -
Tyrolite, Cuproadamite
Gratlspitze, Thierbach, Wildschönau, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
FoV ca. 1,5 x 0,8 cm (Autor: Volkmar Stingl) -
Tyrolite, Romanechite, Dolomite
Distrito minero Ringenwechsel, Troi, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
FoV. ca. 1,5 x 1 cm (Autor: Volkmar Stingl) -
Tyrolite
Novoveská Huta, Spiská Nová Ves, Distrito Spiská Nová Ves, Región Koice, Eslovaquia
5.7 cm wide (Autor: Nunzio) -
Tyrolite
Mammoth Mine, East Tintic Mountains, Mammoth, Tintic District, Juab County, Utah, USA
FOV = 3.6 mm (Autor: Doug) -
Tyrolite
Mina Gold Hill, Gold Hill, Distrito Gold Hill, Condado Tooele, Utah, USA
FOV = 4.0 mm (Autor: Doug) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
1,5 x 1,5 cm (Autor: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
FoV ca. 3 x 2 cm (Autor: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
7,5 x 4 cm (Autor: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
7,5 x 4 cm (Autor: Volkmar Stingl) -
Tyuyamunite is one of the radioactive minerals in my collection that the Border Patrols sensors detected when I came down from Alaska a couple of years ago. Very sensitive equipment. I like it for its bright yellow color. The minute tabular crystals and only be appreciated with 20x or more. It is from Blue Peak Mine, Poison Canyon Area, Grants District, Cibola County, New Mexico and measures 7/8" x 3/4" (2.22cm x 1.90cm) (Author: Jim Prentiss)
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Tyuyamunite
Grupo Mina Parco, Yellow Cat Mesa, Distrito Thompsons (S.E. Thompsons), Condado Grand, Utah, USA
FOV = 2.9 mm (Autor: Doug) -
Tyuyamunite
Distrito Grants, Condado Cibola, New Mexico, USA
10.0 x 5.3 cm (Autor: Michael Shaw) -
t_img_20200616_195526_380.jpg (Author: jfc035)
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t_p7101209_102.jpg (Author: Don Lum)
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t_p7101211_188.jpg (Author: Don Lum)
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t_p7101213_585.jpg (Author: Don Lum)
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U.S. calcites from Sweetwater Mine and Elmwood Mine. (Author: Tobi)
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U.S. calcites from Sweetwater Mine and Elmwood Mine (Author: Tobi)
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Ugrandite (Garnet)
Nioro du Sahel Circle, Kayes Region, Mali
2,0 x 1,5 cm
This garnet makes me think about mangosteen (Author: Jacquou HO)
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Ugrandite (Garnet)
Nioro du Sahel Circle, Kayes Region, Mali
2,0 x 1,5 cm (Author: Jacquou HO)
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uis_fluo.jpg (Author: Tobi)
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Ulexite
West Baker Mine, Boron, Kramer District, Kern Co., California
5.6 x 6.7 cm.
Clamshell ulexite collected from a mud seam in the hanging wall shale. (Author: crosstimber)
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Ullmanite
Region Souss-Massa, Marruecos
(Autor: Jordi Fabre) -
Ullmannite, siderite
Silberquelle mine, Obersdorf, Siegerland, Germany.
7 x 4,5 cm
So-called "kallilite" (admixture with millerite and hauchecornite) from the type locality. With Bergakademie Freiberg label. (Author: Andreas Gerstenberg)
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Uncleaned crystal plate specimen same one as the last two pics but this is before the acid bath (Author: Jason)
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uncleaned/black managanese coating on crystals-finger for size comparison (Author: Jason)
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uncleaned/black manganese coating on crystals- (Author: Jason)
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uncleaned/black manganese coating on crystals (Author: Jason)
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under different light source (Author: pro_duo)
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Unidentified sulphosalt
Level 6, Mina San José del Progreso, Oaxaca, México
1.5 cm large crystal. (Author: jorgedavid)
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Unimaginable color XL tourmaline crystal from Afghanistan, Paprok locality
Size 83 x 78 x 73 mm (Author: olelukoe)
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unknown (Probably Baryte)
Dam Rigg Area, Whaw, Arkengarthdale, North Yorkshire, England, UK.
FOV 20 x 15 mm approx. (Author: nurbo)
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unknown (Probably Baryte)
Dam Rigg Area, Whaw, Arkengarthdale, North Yorkshire, England, UK.
FOV 20 x 15 mm approx (Author: nurbo)
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unknown (Probably Baryte)
Dam Rigg Area, Whaw, Arkengarthdale, North Yorkshire, England, UK.
35 x 20 mm (Author: nurbo)
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unknown (Probably Baryte)
Dam Rigg Area, Whaw, Arkengarthdale, North Yorkshire, England, UK.
FOV 20 x 15 mm approx. (Author: nurbo)
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Unknown black mineral. (Author: Pierre Joubert)
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Unknown crystals
Western Cape, South Africa
Largest approx. 3mm long.
Same as above (Author: Pierre Joubert)
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Unknown crystals
Western Cape, South Africa
Largest approx. 3mm long.
My knowledge of mineral specimens is very limited. I will place some of these photos on ’what mineral is it?’ later on. Maybe one of our experts can help identify these crystals. (Author: Pierre Joubert)
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Dirtlow Rake, Castleton, Distrito High Peak, Derbyshire, Inglaterra / Reino Unido
(Autor: Forrestblyth) -
unknown mineral in quartz
Minas Gerais, Brasil
FOV 4 cm (Autor: Tobi) -
Dirtlow Rake, Castleton, Distrito High Peak, Derbyshire, Inglaterra / Reino Unido
10 cm (Autor: Forrestblyth) -
Unknown vein
(Author: Forrestblyth)
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unknown
Amity NY (Author: Glenn Rhein)
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unknown
Amity, New York
2cm crystal (Author: Glenn Rhein)
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Unknown
Amity, New York
12cm (Author: Glenn Rhein)
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Unknown
Příbram, Región Bohemia Central, Bohemia, República Checa
16 x 26 cm (Autor: Psax) -
Unusual Fluorite from La Collada, Filón Josefa-Veneros, Asturias, Spain
Mined about 1974
Photo: Reference Specimens -> http://www.fabreminerals.com/specimens/RSSFL-spanish-fluorite-notable-specimens.php#B9RH2 (Author: Jordi Fabre)
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up-close of crystals (Author: Turbo)
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upclose showing color variation and multiple tiny blossoms. (Author: Turbo)
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upload3.JPG (Author: thecrystalfinder)
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upload4.JPG (Author: thecrystalfinder)
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uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, A -
uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, A -
uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, A -
Uralite
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl) -
Uralite
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl) -
Uralite
Kesselkaralm, Valle Habach, Salzburgo/Salzburg, Austria
10 x 8 cm (Autor: Volkmar Stingl) -
Uralolite
Permiso de Investigación Spodumene, Brandrücken, Frantschach-Sankt Gertraud, Distrito Wolfsberg, Estiria/Steiermark, Austria
2 x 1,5 cm (Autor: Volkmar Stingl) -
Uraninite
Fission Mine area, Wilberforce, Ontario, Canada
4 cm (larger crystal) (Author: John Medici)
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Uraninite
Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA
5.0 x 7.5 cm
Same specimen as above under SW UV light. (Author: crosstimber)
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Uraninite
Ruggles Mine, Grafton, Grafton Co., New Hampshire, USA
5.0 x 7.5 cm
Black uraninite and minor yellow autunite on a light-colored feldspar matrix. (Author: crosstimber)
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Uraninite (variety "pitchblende") with "gummites" and Curite (?)
Mina Margnac II, Compreignac, Bellac, Departamento Haute-Vienne, Nouvelle-Aquitaine, Francia
10 x 9 cm (Autor: Benj) -
Uraninite (variety pitchblende)
La Crouzille, Saint-Sylvestre, Ambazac, Limoges, Haute-Vienne, Nouvelle-Aquitaine, Francia
22 x 17 x 8 cm (Autor: Benj) -
Uraninite at the AMNH – The American Connection
Included for comparison is a photograph of what might be the third largest Uraninite specimen to be publically exhibited in recorded history. The specimen weighed just over 60 kilograms and consisted of an inner core of Uraninite covered in a ‘deliciously’ thick layer of Schoepite. It was exhibited for many years at the American Museum of Natural History (AMNH). In the photograph Dr. Brian H. Mason (1917-2009) Curator of the Department of Physical Geology and Mineralogy at the Museum (1953-1965) can be seen measuring the radiation from the superb specimen. The specimen was donated to the AMNH in 1955 by Vernon J. Pick and it came from the Pick’s Delta Mine, San Rafael Swell Mining District, Emery County, Utah, USA. What a fine specimen to have in a private collection – the mineralogical stories it could tell and the secrets it could reveal – truly amazing and absolutely beautiful!
I think some folks might find the following piece of historical trivia interesting. Dr. Mason was an expert on meteorites and was the first scientist to suggest that some meteorites found in Antarctica were in fact moon rocks. Between 1962 and 1965 Dr. Mason took part in several Australian-American expeditions to the clay pans in central South Australia in search of Australites (Tektites). The Australian team was led by R.O Chalmers, Curator of Minerals at the Australian Museum and the man largely responsibility for the acquisition of the fantastic specimen of Uraninite from El Sherana. Dr. Mason also had two minerals named in his honour, Brianite a Sodium-Calcium-Magnesium phosphate mineral (Na2CaMg(PO4)2) and Stenhuggarite a rare Calcium-Iron-Antimony mineral (CaFeAs2SbO7). The mineral name Stenhuggarite is a clever use of the Swedish word Stenhuggare for stonemason honouring Dr. Mason’s work as the proverbial stone man. Asteroid 12926 Brianmason is also named in his honor. In 1965 he became Curator of Meteorites in the Department of Mineral Sciences at the Smithsonian Institution in Washington, retiring in 1984. (Photo courtesy of B. Kramer). (Author: silvia)
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Uraninite being loaded
El Sherana yielded the largest single piece of Uraninite ever produced in the world. It weighed 850 kilograms (1,856 pounds). It was recovered at the El Sherana mine in May 1956. The specimen was purchased by the Australian Atomic Energy Commission for exhibition in Sydney. In the photo the specimen has been hoisted with the aid of a portable crane for loading into a suitable transport vehicle. (Original photo courtesy of F. Jones) (Author: silvia)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
45*30 mm
Uraninite (black) with Gummite (brown and yellow)
Same specimen (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
45*30 mm
Uraninite (black) with Gummite (brown and yellow)
Same specimen (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
45*30 mm
Uraninite (black) with Gummite (brown and yellow) (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
70*50 mm
Uraninite (black) with Gummite (brown and yellow)
Same specimen (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
70*50 mm
Uraninite (black) with Gummite (brown and yellow)
Same specimen (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
70*50 mm
Uraninite (black) with Gummite (brown and yellow)
Same specimen (Author: Benj)
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Uraninite, Gummite
Ty Gallen Mine, Morbihan, Brittany Area, France.
70*50 mm
Uraninite (black) with Gummite (brown and yellow) (Author: Benj)
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Uraninite, Schoepite
Mina Senhora da Assunção, Aldeia Nova, Ferreira de Aves, Sátão, Distrito Viseu, Portugal
FOV 1 cm (Autor: Cesar M. Salvan) -
Uraninite-bearing carbonified wood in sandstone from the 389 shaft, Königstein Uranium deposit near Dresden, Saxony. Minerals from this locality (such as brown baryte crystals) are very rare. (Author: Andreas Gerstenberg)
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Uraninite
Mina Ruggles, Grafton, Condado Grafton, New Hampshire, USA
11.2 x 8.6 x 4.5 cm (Autor: Michael Shaw) -
Uranium Specimens in storage at the AMNH
On the right is a 60 kg specimen of Uraninite with Schoepite from Pick’s Delta Mine, San Rafael Swell Mining District, Emery County, Utah, USA. It is the same specimen shown in the earlier picture which featured Dr. Brian H. Mason. Just look again at that deliciously thick layer of Schoepite with some Uraninite just visible in the lower right hand corner – superb!
On the left is a 15 kg specimen of Uraninite with Schoepite from the Lookout No. 22 claim, Marshall Pass, Saguache County, Colorado, USA. Both specimens are now in storage at the AMNH (Photo courtesy of AMNH) (Author: silvia)
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Uranmicrolite
Grotta d’Oggi Quarry, San Piero in Campo, Campo nell’Elba, Elba Island, Livorno Province, Tuscany, Italy
0.96 mm group of two brown Uranmicrolite crystals (Author: Matteo_Chinellato)
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Uranocircite of intense neon green colour on granite matrix. Total size is 11 x 5 x 7 cm, FOV is approx. 5 cm. From the early 1990s when a big find was made with excellent samples. (Author: Montanpark)
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Uranocircite on granite matrix, Streuberg, Bergen, Vogtland, Germany. Size is 11 x 5 x 7 cm (Author: Montanpark)
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Uranophane
Faraday Uranium mine, Bancroft, Ontario, Canada
Field of view 6 cm across (Author: John Medici)
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Uranophane from Menzenschwand, Black Forest, Germany.
Field of view: 0.8 mm (Author: Rewitzer Christian)
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Uranophane, Goethite
Mina Madawaska, Faraday, Condado Hastings, Ontario, Canadá
5.7 cm (Autor: JC) -
Uranophane-B with Mixite
Rabéjac, Hérault, Central Massif, France.
15*10 mm
(Author: Benj)
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Uranophane
Mina Christa, Großschloppen, Weißenstadt, Fichtelgebirge, Franconia , Baviera/Bayern, Alemania
fov 0.7 mm (Autor: ploum) -
Uranophane
Les Marécottes, Valle Le Trient, Wallis (Valais), Suiza
fov 1.7 mm (Autor: ploum) -
Uranophane
Mina J & L Alunite, Marysvale, Distrito Marysvale (zona Marysvale Uranium), Condado Piute, Utah, USA
FOV = 2.9 mm (Autor: Doug) -
Uranophane
Mina Poison Canyon, Subdistrito Ambrosia Lake, Condado McKinley, New Mexico, USA
9.1 x 5.8 cm (Autor: Michael Shaw) -
Uranospathite
Mina El Pedregal, Hoya del Lobo, La Haba, Comarca La Serena, Badajoz, Extremadura, España
FOV 3 mm (Autor: Rewitzer Christian) -
urubu.jpg (Author: Tobi)
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USA mineral classics is where the Folch Collection is very strong. Two excellent 11-13 cm. (4½ - 5 inches) tall native Copper specimens from Michigan. Both the crystal definition and their high quality can be considered exceptional. Really top specimens. (Author: Joan Rosell)
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USA.JPG (Author: Tobi)
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Use of the hydraulic ram to exploit weaknesses in the dolostone. (Author: vic rzonca)
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Using the metal detector to locate "treasures" at an old mine site. The fencing that you see in the background is to protect against falling into an open hole. Many of the very rich silver veins were exposed on surface and mined out completely. (Author: Joseph DOliveira)
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Ussingite, Aegirine
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2mm (Autor: Doug) -
Ussingite, Vuonnemite, Sphalerite
7 x 4,5 x 3 cm
Lovozero Massive, Kola Peninsula, Russia
Probably from the Shkatulka pegmatite - to be confirmed.
The purple material is the Ussingite; they yellow plate on the top is Vuonnemite, Sphalerite is seen as bright yellow grains in the Ussingite. The small black dots might be Steenstrupine-(Ce), that is much less common in the Kola intrusions than in Ilímaussaq. (Author: kakov)
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Utahite
Mina Centennial Eureka (Blue Rock), Eureka, Distrito Tintic, Montes East Tintic, Condado Juab, Utah, USA
FOV = 1.0 mm (Autor: Doug) -
Uvarovite
Outokumpu, Finland
2,3 x 1,3 x 0,9 cm cris. 0,6 cm (Author: Jacquou HO)
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Uvarovite
Saranov, Urals, Russia
5.5 x 4.0 cm (Author: Don Lum)
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Uvarovite (Garnet group)
Saranovskiy Mine, Russia
80 mm x 61 mm x 17 mm (Author: Leon56)
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Uvarovite (Garnet Group)
Mina Saranovskii, Saranovskaya (Sarany), Gornozavodskii, Perm Krai, Ural, Rusia
fov 2.8 mm (Autor: ploum) -
Uvarovite and amesite
Saranovskii mine, Urals region, Russia
fov 3 mm (Author: ploum)
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Uvarovite garnet
Saranovskii mine, Urals region, Russia
fov 3.5 mm (Author: ploum)
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Uvarovite garnet
Saranovskii mine, Urals region, Russia
fov 3 mm (Author: ploum)
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Uvarovite on Amesite
Mina Saranovskii, Saranovskaya (Sarany), Gornozavodskii, Perm Krai, Ural, Rusia
fov 2.2 mm (Autor: ploum) -
Uvarovite on Amesite
Mina Saranovskii, Saranovskaya (Sarany), Gornozavodskii, Perm Krai, Ural, Rusia
fov 2.2 mm (Autor: ploum) -
Uvarovite
Mina Saranovskii, Saranovskaya (Sarany), Gornozavodskii, Perm Krai, Ural, Rusia
62 x 45 mm (Autor: Sante Celiberti) -
Uvarovite
Mina Saranovskii, Saranovskaya (Sarany), Gornozavodskii, Perm Krai, Ural, Rusia
fov 3.5 mm (Autor: ploum) -
Uvarovite
Mina Red Ledge, Washington, Distrito Washington, Nevada County, California, USA
FOV = 4.0 mm (Autor: Doug) -
Uvarovite
Mina Mokkivaara, Outokumpu, Tornio, Región Laponia, Finlandia
1.4 × 1.3 × 1.1 cm (Autor: Jordi Fabre) -
Uvite
Brumado, Bahia, Brazil
0,6 cm (Author: Jacquou HO)
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Uvite
Kavungo Mine, Jivunda, Mwinilunga District, North-Western Province, Zambia
10 x 9 mm
Uvite trapiche (Author: Don Lum)
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Uvite
Pomba pit, Serra das Éguas, Brumado (Bom Jesus dos Meiras), Bahia, Brazil
FOV 6,29mm
3x. Focus rail MacroRail. Canon EOS 600D. Ikea lights
Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)
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Uvite
Serra das Éguas, Brumado, Bahia, Brazil
2.2 x 4.2 cm.
Elongated, cranberry-colored, doubly terminated uvite crystal with colorless rhombs of magnesite. (Author: crosstimber)
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uvite (Author: Glenn Rhein)
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uvite (Author: Glenn Rhein)
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Uvite on magnesite
Pomba Pit, Brumado, Brazil
fov 15 mm (Author: ploum)
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Uvite, Quartz
Brumado, Bahia, Región Nordeste, Brasil
47 mm x 12 mm (Autor: Don Lum) -
Uvite.
Mong Hsu, Shan State, Burma.
16 mm.
(Author: Ru Smith)
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Uvite
Pozo Pomba, Serra das Éguas, Brumado, Bahia, Región Nordeste, Brasil
2.4 x 2.6 cm (Autor: crosstimber) -
Uvite
Brumado, Bahia, Región Nordeste, Brasil
2.2 x 2.2 cm (Autor: crosstimber) -
Uvite
Brumado, Bahia, Región Nordeste, Brasil
40mm x 40mm x 30mm (Autor: Philippe Durand) -
Uvite
Brumado, Bahia, Región Nordeste, Brasil
40mm x 40mm x 30mm (Autor: Philippe Durand) -
Uvite
Serra das Éguas, Brumado, Bahia, Región Nordeste, Brasil
2.0 x 2.4 cm (Autor: crosstimber) -
Uvite
Brumado, Bahia, Región Nordeste, Brasil
30 x 18 mm (Autor: Sante Celiberti) -
Valentinite on Pääkkönenite
Caiwa Mine, Danfeng County, Shaanxi, China
Specimen Size: Cabinet
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Valentinite on Pääkkönenite
Caiwa Mine, Danfeng County, Shaanxi, China
Close up
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Valentinite on Pääkkönenite
Caiwa Mine, Danfeng County, Shaanxi, China
Close up
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Valentinite on Stibnite
Mina Pereta, Pereta, Magliano in Toscana, Provincia Grosseto, Toscana, Italia
10,5 x 9,5 cm (Autor: Sante Celiberti) -
Valentinite with Pyrite
Mina San José, Ciudad de Oruro, Provincia Cercado, Departamento Oruro, Bolivia
2.8 × 2.2 × 2 cm (Autor: Jordi Fabre) -
Valentinite with Stibnite
Mina María Teresa (Mina Santa Teresa), Parajes Concostura y Argatón, Riaño, Comarca Montaña de Riaño, León, Castilla y León, España
4.8 × 2.9 × 1.9 cm (Autor: Jordi Fabre) -
Valentinite, Tripuhyite
Mina Tafone, Manciano, Provincia Grosseto, Toscana, Italia
87,5 x 45,6 mm (Autor: Sante Celiberti) -
Valentinite, Tripuhyite
Mina Tafone, Manciano, Provincia Grosseto, Toscana, Italia
87,5 x 45,6 mm (Autor: Sante Celiberti) -
Valentinite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
35mm x 28mm x 17mm (Autor: Don Lum) -
Valentinite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
35mm x 28mm x 17mm (Autor: Don Lum) -
Valentinite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
35mm x 28mm x 17mm (Autor: Don Lum) -
Valentinite
Mina McDermitt, Cordero, Distrito Opalite, Condado Humboldt, Nevada, USA
FOV = 1.9 mm (Autor: Doug) -
Valentinite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
3 x 2,5 cm (Autor: Volkmar Stingl) -
Valentinite
Xikuangshan depósito de antimonio, Lengshuijiang, Prefectura Loudi, Provincia Hunan, China
3 x 2,5 cm (Autor: Volkmar Stingl) -
Valentinite
Mina Antimonmine Goesdorf, Goesdorf, Cantón Wiltz, Luxemburgo
< 1 mm (Autor: Roger Warin) -
Vanadinite
ACF mine area, Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco.
10 x 5 x 4 cm; 182 gram
BIG VANADINITE WITH NEW LABEL MARK 1, CLEAR VERSION MARK 2 SOON! (Author: Louis Friend)
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Vanadinite
ACF mine area, Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco.
10 x 5 x 4 cm; 182 gram
BIG VANADINITE (Author: Louis Friend)
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Vanadinite
ACF mine area, Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco.
10 x 5 x 4 cm; 182 gram
BIG VANADINITE (Author: Louis Friend)
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Vanadinite
ACF mine area, Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco.
10 x 5 x 4 cm; 182 gram
BIG VANADINITE (Author: Louis Friend)
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Vanadinite
ACF Mine, Khénifra Province, Meknes-Tafilalet Region, Morocco
4.2 x 5.8 cm.
Intergrown group of lustrous brownish-orange crystals to 1.7 cm. Collected in September 2011. (Author: crosstimber)
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Vanadinite
ACF Mine, Mibladen Mining District, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
6 x 6 cm
(Author: xdxucn)
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Vanadinite
ACF Mine, Mibladen, Khenifra Prov., Morocco
4.5 x 6.0 cm.
Collected in Sept. 2011. (Author: crosstimber)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
62 mm x 48 mm. Major crystal: 11.5 mm wide edge to edge (Author: Carles Millan)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
62 mm x 48 mm. Major crystal: 11.5 mm wide edge to edge (Author: Carles Millan)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
62 mm x 48 mm. Major crystal: 11.5 mm wide edge to edge (Author: Carles Millan)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
57 mm x 50 mm x 36 mm
Joe Budd (Oakland, California) photo (Author: Carles Millan)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
57 mm x 50 mm x 36 mm (Author: Carles Millan)
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Vanadinite
ACF Mine, Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
57 mm x 50 mm x 36 mm (Author: Carles Millan)
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Vanadinite
Coud’a workings, Mibladen, Khenifra Province, Morocco
1.3 x 3.0 cm. (Author: crosstimber)
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Vanadinite
El Centenillo. Albuñuelas. Granada. Andalusia, Spain.
FOV 21.7mm
0.79x. Focus rail MacroRail. Canon EOS 600D. Ikea lights
Photo: Oscar Fernández Arcís, Mineral: Manuel de Torres (Author: ofarcis)
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Vanadinite
Grey Horse Mine, Dripping Springs Mts., Pinal Co., Arizona
7.5 x 10.0 cm
Collected in June 1976 by Gary Fleck. (Author: crosstimber)
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Vanadinite
Mibladen Mining District, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
Specimen size 4 cm, largest crystal 1,5 cm (Author: Tobi)
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Vanadinite
Mibladen Mining District, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
Specimen size 12 cm, largest crystal 8 mm (Author: Tobi)
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Vanadinite
Mibladen, Khénifra Province, Meknes-Tafilalet Region, Morocco
3.5 x 4.7 cm. (Author: crosstimber)
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Vanadinite
Mibladen, Khénifra Province, Meknes-Tafilalet Region, Morocco
5.2 x 5.9 cm.
Lustrous red-orange hexagonal prisms to 1.0 cm on brown matrix. (Author: crosstimber)
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Vanadinite
Mibladen, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
Specimen size 30 mm (Author: Tobi)
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Vanadinite
Mibladen, Midelt, Khénifa Prov, Morocco
2,5 x 2,2 cm crist 1,9cm (Author: Jacquou HO)
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Vanadinite
Mibladen, Midelt, Khénifa Prov, Morocco
2,5 x 2,2 cm crist 1,9cm (Author: Jacquou HO)
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Vanadinite
Mibladen, Midelt, Khénifa Prov, Morocco
2,5 x 2,2 cm crist 1,9cm (Author: Jacquou HO)
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Vanadinite
Mibladen, Midelt, Khénifra, Meknès-Tafilalet, Morocco
1.5 cm tall
Cute hoppered crystals of Vanadinite. (Author: xdxucn)
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Vanadinite
Mibladen, Midelt, Maroc
fov 50 mm (Author: ploum)
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Vanadinite
Mibladen, Midelt, Morocco
8x4x3 cm (Author: B&A)
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Vanadinite
Mibladen, Midelt, Morocco
fov 6 mm (Author: ploum)
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Vanadinite
Mibladen, Morocco
35 x 30 x 20 mm, largest crystal 13 mm (Author: Tobi)
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Vanadinite
Mibladen, Morocco
35 x 30 x 20 mm, largest crystal 13 mm (Author: Tobi)
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Vanadinite
Mibladen, Morocco
35 x 30 x 20 mm, largest crystal 13 mm (Author: Tobi)
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Vanadinite
Mibladene, Upper Moulouya lead district, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
111 mm x 92 mm. Major crystal: 11 mm wide, 3 mm thick
Close-up view (Author: Carles Millan)
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Vanadinite
Mibladene, Upper Moulouya lead district, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
111 mm x 92 mm. Major crystal: 11 mm wide, 3 mm thick (Author: Carles Millan)
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Vanadinite
Milbladen, Morocco
19.5 x 13 cm (Author: Don Lum)
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Vanadinite
Milbladen, Morocco
19.5 x 13 cm (Author: Don Lum)
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Vanadinite
near ACF Mine, Mibladen, Khenifra Province, Morocco
3.6 x 7.2 cm.
Lustrous, reddish-orange hexagonal crystals scattered over a matrix of white bladed crystallized barite. Collected in 2001 from a prospect near the ACF Mine, at a depth of 10 meters. (Author: crosstimber)
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Vanadinite
North Geronimo Mine, La Paz County, Arizona, USA
5.5 x 3.3 cm (Author: Don Lum)
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Vanadinite
North Geronimo Mine, La Paz County, Arizona, USA
5.5 x 3.3 cm (Author: Don Lum)
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Vanadinite
Taouz, Er Rachidia Province, Meknès-Tafilalet Region, Morocco
Largest crystals ~ 4 mm (Author: Tobi)
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Vanadinite
Taouz, Er Rachidia, Meknès-Tafilalet Region, Morocco
Specimen size 55 mm (Author: Tobi)
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Vanadinite
Taouz, Er Rachidia, Meknès-Tafilalet, Morocco
Picture taken by Martí Rafel (Author: Jan Erik)
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