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Tourmaline, Quartz
Pyingyi Taung, Male, Letpanhla, Singu Township, Pyin-Oo-Lwin District, Mandalay Region (Mandalay Division), Myanmar (Burma)
4.2 x 3.5 cm (Author: Don Lum) -
Tourmaline, Quartz
Mountain Lily Mine, Aguanga Mountain, Oak Grove, Aguanga Mountain District, San Diego County, California, USA
10.0 x 5.5 cm (Author: am mizunaka) -
Tourmaline, var. Elbaite,
Paprok, Nuristan Prov., Afghanistan;
5.8 cm long crystal (Author: Chris Wentzell)
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Tourmaline-rubellite crystal, Russia, Chitinskaya oblast., Malkhan
Size 67 x 28 x 26 mm (Author: olelukoe)
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Tourmaline.
Mogok, Burma (Myanmar).
17 mm. (Author: Ru Smith)
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Tourmaline.
Mogok, Burma.
12 mm main crystal on 2 cm matrix.
(Author: Ru Smith)
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Tourmaline.
Mogok, Burma.
14 mm diamater, 5 mm tall.
(Author: Ru Smith)
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Tourmaline.
Momeik, Mogok, Burma.
18 mm. (Author: Ru Smith)
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Tourmaline/Smokey, Paprok, 150 mm x 95 mm (Author: Craig Mercer)
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Tourmaline
(Author: Carles Millan)
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Tourmaline
(Author: Carles Millan)
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Tourmaline
(Author: Carles Millan)
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tourmaline
(Author: thecrystalfinderBC)
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Tourmaline
fov 40 mm
(Author: ploum)
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Tourmaline
Brazil (old mine)
4 x 6.5 x 3.5 cm
blue tourmaline (Author: barbie90)
-
Tourmaline
Brazil (old mine)
4 x 6.5 x 3.5 cm.
blue tourmaline (Author: barbie90)
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Tourmaline
Cruzeiro Mine, Minas Gerais, Brazil
4,5x1 cm
Present from Mr. Alvaro Lucio (Author: Enrique Llorens)
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Tourmaline
Paprok, Afghanistan
12 x 4 x 3 mm.
the seller called it water melon tourmaline but it doesnt look like (Author: barbie90)
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Tourmaline
Paprok, Afghanistan
fov 20 mm (Author: ploum)
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Tourmaline
Paprok, Laghman, Afghanistan
8 cm (Author: ploum)
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Tourmaline
Stak Nala, Pakistan
fov 20 mm (Author: ploum)
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Tourmaline
Stewart Mine, Tourmaline Queen Mountain, Pala, Pala District, San Diego County, California, USA
6.4 x 6.0 x 4.7 cm (Author: am mizunaka) -
Tourmaline
Chamachu, Haramosh Mountains, Baltistan District, Gilgit-Baltistan (Northern Areas), Pakistan
H:7cm x W:6.5cm x D:4.5cm (Author: Adrian Pripoae) -
Tourmaline
Afghanistan
6 x 5 x 4 centimeters (Author: Ricardo Melendez) -
Tourmaline
Mawi Pegmatite, Nilaw-Kolum area, Du Ab District, Nuristan Province, Afghanistan
fov 40 mm (Author: ploum) -
Tourmaline
Stak Nala, Haramosh Mountains, Skardu District, Gilgit-Baltistan (Northern Areas), Pakistan
fov 88 mm (Author: ploum) -
Tourmaline
Nuristan Province, Afghanistan
fov 26 mm (Author: ploum) -
Tourmaline
Cruzeiro Mine, Santa Maria do Suaçui, Governador Valadares, Vale do Rio Doce, Minas Gerais, Brazil
38 x 9.7 mm (Author: am mizunaka) -
Tourmaline
Sahatany Valley (Mt. Ibity), Vakinankaratra Region, Madagascar
Specimen height 3 cm (Author: Tobi) -
Tourmaline
Pederneira claim, São José da Safira, Governador Valadares, Vale do Rio Doce, Minas Gerais, Brazil
11 x 7,5 cm (Author: Sante Celiberti) -
Tourmaline
Pederneira claim, São José da Safira, Governador Valadares, Vale do Rio Doce, Minas Gerais, Brazil
11 x 7,5 cm (Author: Sante Celiberti) -
Tourmaline
Paprok, Kamdesh District, Nuristan Province, Afghanistan
6.40 cm (Author: ploum) -
Tourmaline
Nilaw-Kolum Pegmatite, Laghman Province, Afghanistan
fov 7.0 cm (Author: ploum) -
Tourmaline
Paprok, Kamdesh District, Nuristan Province, Afghanistan
fov 67 mm (Author: ploum) -
Tourmaline
Paprok, Kamdesh District, Nuristan Province, Afghanistan
fov 40 mm (Author: ploum) -
Tourmaline
Stak Nala, Haramosh Mountains, Skardu District, Gilgit-Baltistan (Northern Areas), Pakistan
fov 80 mm (Author: ploum) -
Tourmaline
Stak Nala, Haramosh Mountains, Skardu District, Gilgit-Baltistan (Northern Areas), Pakistan
55 x 46 mm (Author: Sante Celiberti) -
Tourmaline
Amoron'i Mania Region, Madagascar
Specimen height 6 cm (Author: Tobi) -
Tourmaline
Tourmaline King Mine, Pala, Pala District, San Diego County, California, USA
10.4 x 6.0 cm (Author: am mizunaka) -
Tourmaline
Minh Tien pegmatite, Luc Yen, Yenbai Province, Vietnam
5.0 x 4.5 cm (Author: am mizunaka) -
Tourmaline
Tourmaline King Mine, Pala, Pala District, San Diego County, California, USA
4.5 x 3.8 cm (Author: am mizunaka) -
Tourmaline
Luc Yen, Yenbai Province, Vietnam
5.7 x 3.3 cm (Author: am mizunaka) -
Toussit Azurite 15 x 10 mm (Author: nurbo)
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Track hoe, very useful for moving waste rock and for breaking up the granite. (Author: John S. White)
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Tremolite
New England Lime Quarry, Canaan, Litchfield Co., Connecticut
8.8 x 11.2 cm
Acicular white tremolite with pyrite in granular orange dolomitic marble. (Author: crosstimber)
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Tremolite (Cr-bearing variety) with Clinohumite and Graphite
Washburn Farm, Macomb, Macomb Township, St. Lawrence County, New York, USA
3.6 × 1.5 × 1.5 cm (Author: Jordi Fabre) -
Tremolite (variety chrome tremolite)
Harcourt Township, Haliburton County, Ontario, Canada
1.4 x 2.8 cm (Author: crosstimber)Tremolite (variety chrome tremolite)
Harcourt Township, Haliburton County, Ontario, -
Tremolite (variety hexagonite)
Gouverneur Mine, Fowler, St. Lawrence County, New York, USA
6.5 x 12.8 cm (Author: crosstimber)Tremolite (variety hexagonite)
Gouverneur Mine, Fowler, St. Lawrence County, New York, US -
Tremolite (variety mountain leather)
Route 7 road cuts, New Ashford, Berkshire County, Massachusetts, USA
4.5 x 7.3 cm (Author: crosstimber)Tremolite (variety mountain leather)
Route 7 road cuts, New Ashford, Berkshire County, Massachuset -
Tremolite 18mm (Author: Glenn Rhein)
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Tremolite sw uv (Author: Glenn Rhein)
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Tremolite
Route 7 road cuts, New Ashford, Berkshire County, Massachusetts, USA
6.1 x 7.2 cm. (Author: crosstimber) -
Tremolite
Hughes property, Minden Township, Haliburton County, Ontario, Canada
3.2 x 3.7 cm (Author: crosstimber) -
Tremolite
Pfizer Company Marble Quarry, Canaan, North Canaan, Litchfield County, Connecticut, USA
12.9 x 16.5 cm (Author: crosstimber) -
Tremolite
Mangari, Taita Taveta District, Kenya
10 x 9 x 6 mm (Author: am mizunaka) -
Tremolite
Talc Mine, Rabenwald, Anger, Weiz District, Styria/Steiermark, Austria
6 x 5,5 cm (Author: Volkmar Stingl) -
Tremolite
Weisswasser Quarry, Jennwand Mountain, Laas, Val Venosta (Vinschgau), Autonomous Province South Tyrol, Trentino-Alto Adige (Trentino-Südtirol), Italy
10 x 6,5 cm (Author: Volkmar Stingl) -
Tremolite
Weisswasser Quarry, Jennwand Mountain, Laas, Val Venosta (Vinschgau), Autonomous Province South Tyrol, Trentino-Alto Adige (Trentino-Südtirol), Italy
10 x 6,5 cm (Author: Volkmar Stingl) -
Tremolite
Campolungo, Piumogna Valley, Leventina, Ticino (Tessin), Switzerland
7 x 4,5 cm (Author: Volkmar Stingl) -
Trepca galena labels
Largest one 105 x 75 mm (Author: Tobi)
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Triangular etch pits. (Author: Matt_Zukowski)
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Triangular etch pits. (Author: Matt_Zukowski)
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Triangular etch pits. (Author: Matt_Zukowski)
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Tridymite
Vechec, Vranov nad Topľou, PreÅ¡ov, Slovakia
FOV 10,84mm. 2x. Focus rail MacroRail. Canon EOS 600D. Ikea lights
Photo: Oscar Fernández ArcÃs, Mineral: Manuel de Torres (Author: ofarcis)
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Tridymite and Rutile
Caspar Quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate/Rheinland-Pfalz, Germany
fov 2.6 mm (Author: ploum) -
Tridymite
Lemolo Lake, Clearwater, Douglas County, Oregon, USA
FOV = 3.6 mm (Author: Doug) -
Tridymite
Lemolo Lake, Clearwater, Douglas County, Oregon, USA
FOV = 1.2 mm (Author: Doug) -
Tridymite
Euganean Hills (Colli Euganei), Padua, Padua Province, Veneto, Italy
5,5 cm x 5 cm (Author: Sante Celiberti) -
Trigonic Golden Citrine Elestial Quartz. 10.10x7.50x3.00 cm. (Author: José Miguel)
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Trilithionite/Lepidolite; your choice, I prefer Lepidolite but the "times they are a chanin’ ", and so are the mineral names.This piece is rather large at over 9" x 4 1/2 " x 2 3/4" (23cm x 11.4cm x 6.9cm). It is, as expected, from Minas Gerais, Brazil. (Author: Jim Prentiss)
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Trilling Twinned Chrysoberyl - 5,5 cm X 1,5 cm X 4,5 cm
Itaguaçu, Espirito Santo, Brazil (Author: silvio steinhaus)
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Trilling twinned Chrysoberyl - 1,3 cm X 0,9 cm X 1,1 cm
Itaguaçu, Espirito Santo, Brazil (Author: silvio steinhaus)
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TRILOBITE 2.jpg (Author: Samuel)
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TRILOBITE 3.jpg (Author: Samuel)
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TRILOBITE 4.jpg (Author: Samuel)
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Triple terminated multi twinned Phenakite Mogok Burma, 12 mm long (Author: nurbo)
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Trona
Owens Lake, Olancha, Owens Valley, Inyo County, California, USA
9.0 x 11.5 cm (Author: crosstimber) -
Trona
Owens Lake, Olancha, Owens Valley, Inyo County, California, USA
7.5 x 6.0 x 4.9 cm (Author: Michael Shaw) -
truck 024.JPG (Author: Glenn Rhein)
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Tsavorite (Garnet Group), Diopside
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
21 mm x 20 mm (Author: Don Lum) -
Tsavorite garnet, Merelani Hills, Lelatema Mts, Arusha Region, Tanzania
Size 40 x 38 x 28 mm (Author: olelukoe)
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Tsavorite, Graphite
Merelani Hills, Lelatema Mountains, Simanjiro District, Manyara Region, Tanzania
43 x 37 mm (Author: Sante Celiberti) -
Tschernichite, Cowlesite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.5 mm (Author: Doug) -
Tschernichite, Cowlsite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.2 mm (Author: Doug) -
Tschernichite, Levyne
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.4 mm (Author: Doug) -
Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 4.0 mm (Author: Doug) -
Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 2.3 mm (Author: Doug) -
Tschernichite
Neer Road, Goble, Columbia County, Oregon, USA
FOV = 3.0 mm (Author: Doug) -
Tsumcorite
Tsumeb Mine, Tsumeb, Otjikoto, Namibia
fov 4 mm (Author: Rewitzer Christian)
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Tsumcorite and Calcite
Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
54mm x 35mm x 31mm (Author: Heimo Hellwig) -
Tsumcorite
Centennial Eureka Mine (Blue Rock), Eureka, Tintic District, East Tintic Mountains, Juab County, Utah, USA
FOV = 1.4 mm (Author: Doug) -
Tsumeb Azurite, 25 x 9 mm (Author: nurbo)
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tsumeb.jpg (Author: d_hawtho)
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Tsumebite.
Ojuela Mine, Munde Mapimi, Durango, Mexico.
40 x 25 mm (Author: nurbo)
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Tsumebite
Reward Mine, Reward, Russ District, Inyo County, California, USA
FOV = 1.2 mm (Author: Doug) -
Tsumebite
Reward Mine, Reward, Russ District, Inyo County, California, USA
FOV = 1.4 mm (Author: Doug) -
Tsumebite
Mammoth-St. Anthony Mine, St. Anthony deposit, Tiger, Mammoth District, Pinal County, Arizona, USA
FOV = 0.9 mm (Author: Doug) -
Tsumeb_CAL01.JPG (Author: Tobi)
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Tsumeb_CAL02.JPG (Author: Tobi)
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tu002_2.jpg (Author: olelukoe)
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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)
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tu005_3.jpg (Author: olelukoe)
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tu028_2.jpg (Author: olelukoe)
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tu047_2.jpg (Author: olelukoe)
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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
Abandoned Agate Mine, Qom, Central, Iran
cm (Author: Reyhane) -
Tuff
Abandoned Agate Mine, Qom, Central, Iran
cm (Author: Reyhane) -
Tugtupite, Albite
IlÃmaussaq 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
IlÃmaussaq 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)
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Tundrite-(Ce)
FOV = 4mm
(Author: Doug)
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Tunellite
Kramer Hills deposit, Boron area, Kramer Hills, San Bernardino County, California, USA
4.5 x 5.7 cm (Author: crosstimber) -
Tungstenite
Crevoladossola Quarry, Crevoladossola, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
36,5 x 20,5 mm (Author: Sante Celiberti) -
Tungstenite
Crevoladossola Quarry, Crevoladossola, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
36,5 x 20,5 mm (Author: Sante Celiberti) -
Tuperssuatsiaite
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
FOV = 4mm (Author: 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)
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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 ArcÃs, 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
Apache Mine, Turquoise Mountain, Halloran Springs District, San Bernardino County, California, USA
1.8 x 2.2 cm (Author: 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
Bishop Mine, Lynch Station, Campbell County, Virginia, USA
5 cm (Author: JC) -
Turquoise
Palazuelo de las Cuevas, San Vicente de la Cabeza, Comarca Aliste, Zamora, Castile and León, Spain
fov 0.7 mm (Author: Rewitzer Christian) -
Turquoise
Palazuelo de las Cuevas, San Vicente de la Cabeza, Comarca Aliste, Zamora, Castile and León, Spain
fov 0.5 mm (Author: Rewitzer Christian) -
Turquoise
Concepción del Oro, Municipio Concepción del Oro, Zacatecas, Mexico
10 x 7.5 x 4.5 centimeters (Author: Ricardo Melendez) -
Turquoise
Nishâpûr deposit, Ali-mersai Mountain, Nishâpûr, Razavi Khorasan Province, Iran
6 * 5 * 5 cm (Author: h.abbasi) -
Turquoise
Tinfoss Jernverks Quartz Quarry, Lake Heddal, Notodden, Telemark, Østlandet, Norway
FOV = 2.0 mm (Author: Doug) -
Turquoise
Mineral Park Mine, Ithaca Peak, Cerbat Mountains, Kingman, Mineral Park District, Mohave County, Arizona, USA
10.8 x 7.5 x 6.0 cm (Author: Michael Shaw) -
Turquoise
Tombstone District, Cochise County, Arizona, USA
11.8 x 6.5 x 4.0 cm (Author: Michael Shaw) -
Turquoise
Cerbat Mountains, Kingman, Kingman District, Mohave County, Arizona, USA
9.8 x 7.1 x 3.4 cm (Author: Michael Shaw) -
turtle.jpg (Author: vic rzonca)
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Tuscanite
Levane, Bucine, Valdarno (Val d'Arno), Arezzo Province, Tuscany, Italy
FOV = 4.0 mm (Author: Doug) -
Tuscanite
Biachella Valley, Caldera di Sacrofano, Magliano Romano, Roma Province, Lazio, Italy
3,5 x 3 cm (Author: Volkmar Stingl) -
twin on (110)
Poudrette Quarry, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada
(Author: 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
Ringenwechsel Mining District, Troi, District Schwaz, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
3 x 1,5 cm (Author: Volkmar Stingl) -
Tyrolite, Azurite, Quartz, minor Malachite
Flirscher Schihütte, Strengen, Landeck District, North Tyrol, Tyrol/Tirol, Austria
ca. 6 x 4 mm (Author: Volkmar Stingl) -
Tyrolite, Cuproadamite
Gratlspitze, Thierbach, Wildschönau, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
FoV ca. 1,5 x 0,8 cm (Author: Volkmar Stingl) -
Tyrolite, Romanechite, Dolomite
Ringenwechsel Mining District, Troi, District Schwaz, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
FoV. ca. 1,5 x 1 cm (Author: Volkmar Stingl) -
Tyrolite
Novoveská Huta, Spišská Nová Ves, Spišská Nová Ves District, Košice Region, Slovak Republic
5.7 cm wide (Author: Nunzio) -
Tyrolite
Mammoth Mine, East Tintic Mountains, Mammoth, Tintic District, Juab County, Utah, USA
FOV = 3.6 mm (Author: Doug) -
Tyrolite
Gold Hill Mine, Gold Hill, Gold Hill District, Tooele County, Utah, USA
FOV = 4.0 mm (Author: Doug) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
1,5 x 1,5 cm (Author: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
FoV ca. 3 x 2 cm (Author: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
7,5 x 4 cm (Author: Volkmar Stingl) -
Tyrolite
Gratlspitze, Thierbach, Wildschönau, Kufstein District, Inn Valley, North Tyrol, Tyrol/Tirol, Austria
7,5 x 4 cm (Author: 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
Parco Mine Group, Yellow Cat Mesa, Thompsons District (S.E. Thompsons), Grand County, Utah, USA
FOV = 2.9 mm (Author: Doug) -
Tyuyamunite
Grants District, Cibola County, New Mexico, USA
10.0 x 5.3 cm (Author: 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
Souss-Massa Region, Morocco
(Author: 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, High Peak District, Derbyshire, England / United Kingdom
(Author: Forrestblyth) -
unknown mineral in quartz
Minas Gerais, Brazil
FOV 4 cm (Author: Tobi) -
Dirtlow Rake, Castleton, High Peak District, Derbyshire, England / United Kingdom
10 cm (Author: 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
PřÃbram, Central Bohemia Region, Bohemia, Czech Republic
16 x 26 cm (Author: 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, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Habach Valley, Salzburg, A -
uralite (Actinolite after Diopside)
Kesselkaralm, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Habach Valley, Salzburg, A -
uralite (Actinolite after Diopside)
Kesselkaralm, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl)uralite (Actinolite after Diopside)
Kesselkaralm, Habach Valley, Salzburg, A -
Uralite
Kesselkaralm, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl) -
Uralite
Kesselkaralm, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl) -
Uralite
Kesselkaralm, Habach Valley, Salzburg, Austria
10 x 8 cm (Author: Volkmar Stingl) -
Uralolite, Moraesite
Almerindo Mine, Linópolis, Divino das Laranjeiras, Vale do Rio Doce, Minas Gerais, Brazil
3 x 2,5 cm (Author: Volkmar Stingl) -
Uralolite
Spodumene prospect, Brandrücken, Frantschach-Sankt Gertraud, Wolfsberg District, Styria/Steiermark, Austria
2 x 1,5 cm (Author: 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 (?)
Margnac II Mine, Compreignac, Bellac, Haute-Vienne Department, Nouvelle-Aquitaine, France
10 x 9 cm (Author: Benj)Uraninite (variety "pitchblende") with "gummites" and Curite (?)
Margnac II Mine, Compreignac, Bell -
Uraninite (variety pitchblende)
La Crouzille, Saint-Sylvestre, Ambazac, Limoges, Haute-Vienne, Nouvelle-Aquitaine, France
22 x 17 x 8 cm (Author: 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
Senhora da Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu District, Portugal
FOV 1 cm (Author: 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
Ruggles Mine, Grafton, Grafton County, New Hampshire, USA
11.2 x 8.6 x 4.5 cm (Author: 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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