-
Malachite
Mina L'Etoile du Congo, Lubumbashi (Elizabethville), Cinturón de cobre de Katanga, Haut-Katanga (Shaba), República Democrática del Congo (Zaire)
6 x 3 cm (Autor: Volkmar Stingl) -
Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
12 x 8 x 4 mm (Autor: Rob Schnerr) -
Malachite
Schlackental, filones bockswies, Oberschulenberg, Clausthal-Zellerfeld, Distrito Goslar, Harz, Baja Sajonia/Niedersachsen, Alemania
FOV appr. 6 mm (Autor: Rob Schnerr) -
Malachite
Mas Dieu, Mercoirol, Alès, Gard, Occitanie, Francia
fov 4.9 mm (Autor: ploum) -
Malachite
Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
245 mm x 112 mm x 85 mm (Autor: Robert Seitz) -
Malachite
Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
133 mm x 108 mm x 75 mm (Autor: Robert Seitz) -
Malachite
Mina Mockleiten, Brixlegg, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
3,5 x 3 cm (Autor: Volkmar Stingl) -
Malachite
Mina Mockleiten, Brixlegg, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
3,5 x 3 cm (Autor: Volkmar Stingl) -
Malachite
Distrito minero Ringenwechsel, Troi, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
3,5 x 2,5 cm (Autor: Volkmar Stingl) -
Malachite
Distrito minero Ringenwechsel, Troi, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
3,5 x 2,5 cm (Autor: Volkmar Stingl) -
Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
163 mm X 117 mm X 76 mm (Autor: Robert Seitz) -
Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
163 mm X 117 mm X 76 mm (Autor: Robert Seitz) -
Malachite
Depósito Mednorudyanskoye, Macizo Nizhnetagilskii (Nizhne-Tagilskii), Nizhnii Tagil, Sverdlovsk Oblast, Ural, Rusia
95 x 70 mm (Autor: Sante Celiberti) -
Malachite
Mina Bleida, Tinzouline, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
4 cm x 4 cm (Autor: Enrique Llorens) -
Malachite
Mina Bleida, Tinzouline, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
1,5 cm (Autor: Enrique Llorens) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
8.0 x 4.0 x 3.0 cm (Autor: Michael Shaw) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
8.0 x 4.0 x 3.0 cm (Autor: Michael Shaw) -
Malachite
Mina Bleida, Tinzouline, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
4,5 cm x 6 cm (Autor: Enrique Llorens) -
Malachite
Mina Bleida, Tinzouline, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
9 cm x 4 cm (Autor: Enrique Llorens) -
Malachite
Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
63 mm x 28 mm (Autor: Don Lum) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
18 cm x 10 cm x 9 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
18 cm x 10 cm x 9 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
18 cm x 10 cm x 9 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
18 cm x 10 cm x 9 cm (Autor: silvia) -
Malachite
Mina Copper Queen, Queen Hill, Bisbee, Distrito Warren, Montes Mule, Condado Cochise, Arizona, USA
65 mm x 45 mm (Autor: Don Lum) -
Malachite
Mina Copper Queen, Queen Hill, Bisbee, Distrito Warren, Montes Mule, Condado Cochise, Arizona, USA
87 mm x 70 mm (Autor: Don Lum) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
15 cm x 12 cm x 5 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
15 cm x 12 cm x 5 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
15 cm x 12 cm x 5 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
15 cm x 12 cm x 5 cm (Autor: silvia) -
Malachite
Mina Mockleiten, Brixlegg, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
44 x 34 mm (Autor: Sante Celiberti) -
Malachite
Mina Mockleiten, Brixlegg, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
44 x 34 mm (Autor: Sante Celiberti) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
11 cm x 10 cm x 6 cm (Autor: silvia) -
Malachite
Mina Mindingi (Mina Mindigi), Swambo, Distrito Kambove, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
11 cm x 10 cm x 6 cm (Autor: silvia) -
Malachite
Burra, Cordilleras Monte Lofty, Australia Meridional, Australia
80 mm x 60 mm x 40 mm (Autor: silvia) -
Malachite
Burra, Cordilleras Monte Lofty, Australia Meridional, Australia
80 mm x 60 mm x 40 mm (Autor: silvia) -
Malachite
Burra, Cordilleras Monte Lofty, Australia Meridional, Australia
80 mm x 60 mm x 40 mm (Autor: silvia) -
Malachite
Burra, Cordilleras Monte Lofty, Australia Meridional, Australia
80 mm x 60 mm x 40 mm (Autor: silvia) -
Malachite
Mina L'Etoile du Congo, Lubumbashi (Elizabethville), Cinturón de cobre de Katanga, Haut-Katanga (Shaba), República Democrática del Congo (Zaire)
74 mm x 43 mm x 36 mm (Autor: Firmo Espinar) -
Malachite
Mina Lupoto, Kakumba, Kipushi, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
275 mm X 245 mm X 117 mm (Autor: Robert Seitz) -
Malachite
Mina Lupoto, Kakumba, Kipushi, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
275 mm X 245 mm X 117 mm (Autor: Robert Seitz) -
Malachite
Mina Milpillas, Cuitaca, Municipio Santa Cruz, Sonora, México
120 mm x 80 mm x 50 mm (Autor: silvia) -
Malachite
Mina Milpillas, Cuitaca, Municipio Santa Cruz, Sonora, México
120 mm x 80 mm x 50 mm (Autor: silvia) -
Malachite
Mina Milpillas, Cuitaca, Municipio Santa Cruz, Sonora, México
120 mm x 80 mm x 50 mm (Autor: silvia) -
Malachite
Kerrouchen, Provincia Khénifra, Región Beni Mellal-Khenifra, Marruecos
3 x 2 cm. (Autor: Volkmar Stingl) -
Malachite
Grupo Planet Mine, (Grupo New Planet Mine; Mina Great Central), Planet, Distrito Santa Maria, Montañas Buckskin, Condado La Paz, Arizona, USA
7.5 x 4.3 cm (Autor: Michael Shaw) -
Malachite
Mina Bleida, Tinzouline, Provincia Zagora, Región Drâa-Tafilalet, Marruecos
6,5 cm x 4,5 cm (Autor: Enrique Llorens) -
Malachite
Provincia Zagora, Región Drâa-Tafilalet, Marruecos
6.5x5.5x5 cm''s (Autor: Joseph DOliveira) -
Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
170 mm x 120 mm x 70 mm (Autor: silvia) -
Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
170 mm x 120 mm x 70 mm (Autor: silvia) -
Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
170 mm x 120 mm x 70 mm (Autor: silvia) -
Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
6.2 x 5 x 2.5 cm (Autor: Joseph DOliveira) -
Malachite
Mina Tsumeb, Tsumeb, Región Otjikoto, Namibia
6.2 x 5 x 2.5 cm (Autor: Joseph DOliveira) -
Malachite
Khanong cielo abierto, Mina Sepon, Distrito Vilabouly, Provincia Savannakhét, Laos (R.D.P. Lao)
11.2 x 7.8 x 3.9 cm (Autor: Michael Shaw) -
Malachite
Falkenstein, Schwaz, Zona Brixlegg-Schwaz, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
3 x 3 cm (Autor: Volkmar Stingl) -
Malachite
Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
7.1 x 2.4 x 1.2 cm (Autor: Michael Shaw) -
Malachite
Mina Friedrich, Schönstein (Steckenstein), Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
9.0 x 6.2 x 4.9 cm (Autor: Michael Shaw) -
Malachite
Mina Friedrich, Schönstein (Steckenstein), Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
9.0 x 6.2 x 4.9 cm (Autor: Michael Shaw) -
Malachite
Mina Friedrich, Schönstein (Steckenstein), Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
9.0 x 6.2 x 4.9 cm (Autor: Michael Shaw) -
Malachite
Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
4.2 × 3.3 × 3.1 cm (Autor: Jordi Fabre) -
Malachite
Mina Alte Malscheid, Malscheid, Herdorf, Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
6,5 x 6 cm (Autor: Volkmar Stingl) -
Malachite
Mina Alte Malscheid, Malscheid, Herdorf, Siegerland, Renania-Palatinado/Rheinland-Pfalz, Alemania
6,5 x 6 cm (Autor: Volkmar Stingl) -
Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
8.7 x 5.6 x 3.3 cm (Autor: Michael Shaw) -
Malachite
Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
2.1 x 1.6 (Autor: Michael Shaw) -
Malaquite
Micaela mine - Albuñuelas - Granada - Spain
10 x 6 cm
Detaill of the 4mm malaquite bubble. (Author: panchito28)
-
Malaquite
Micaela mine - Albuñuelas - Granada - Spain
10 x 6 cm (Author: panchito28)
-
Malaquite/ quartz. Locality: Sta. Rosa de Lima mine, Concepción del oro, Zacatecas, México size: 6cm x 4.3cm x 5.1cm (Author: Luis Domínguez)
-
Malaquite/ quartz.
Locality: Sta. Rosa de Lima mine, Concepción del oro, Zacatecas, México
size: 6cm x 4.3cm x 5.1cm (Author: Luis Domínguez)
-
Malchite ps. after azurite
New Cornelia Mine, Ajo, Pima Co., Arizona
3.7 x 5.1 cm
Collected in 1985. (Author: crosstimber)
-
Malchite
Schwaz, Distrito Schwaz, Valle Inn, Tirol Norte, Tirol, Austria
38 x 37 mm (Autor: Sante Celiberti) -
Malosa.jpg (Author: Carles Millan)
-
Man at work, upper bench. (Author: vic rzonca)
-
Manandonite
Pegmatita Antandrokomby, Valle Manandona, Valle Sahatany (Mt. Ibity), Distrito Antsirabe II, Región Vakinankaratra, Madagascar
FOV of 9.93mm. Crystal of 2.66mm (Autor: ofarcis) -
manga.jpg (Author: Montanpark)
-
manga2.jpg (Author: Montanpark)
-
Manganese adamite. Locality: La Ojuela mine, Mapimí, Durango, México size: 5cm x 4.3cm x 4.2cm (Author: Luis Domínguez)
-
Manganese adamite.
Locality: La Ojuela mine, Mapimí, Durango, México
size: 5cm x 4.3cm x 4.2cm (Author: Luis Domínguez)
-
manganese dendrites
Canteras caliza, Solnhofen, Distrito Weißenburg-Gunzenhausen, Mittelfranken, Baviera/Bayern, Alemania
Specimen size 18 x 13 cm (Autor: Tobi) -
Manganese ore ("Braunstein") from Gnade Gottes mine, Langenberg, Saxony. About 1900. (Author: Andreas Gerstenberg)
-
Manganese ore?and quartz
Ceres, Western Cape, SA
The same specimen as above (Author: Pierre Joubert)
-
Manganese ore?and quartz
Ceres, Western Cape, SA
The same specimen as above. (Author: Pierre Joubert)
-
Manganese ore?and quartz
Ceres, Western Cape, SA
The same specimen as above (Author: Pierre Joubert)
-
Manganese ore?and quartz
Ceres, Western Cape, SA
140 x 110 mm
I have sent a sample of this ore to the University to analyse. For the time being, I suspect it to be rich in manganese. (Author: Pierre Joubert)
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Manganese oxide on limestone. The main dendrite is 6 cm across. From National Limestone quarry, Mount Pleasant Mills, Pennsylvania. (Author: Jessica Simonoff)
-
manganese oxide
Taouz, Provincia Er Rachidia, Región Drâa-Tafilalet, Marruecos
83 mm x 70 mm x 57 mm (Autor: Don Lum) -
manganese oxides (psilomelane)
Mina Eisenkaute, Lautzenbrücken, Bad Marienberg, Distrito Westerwaldkreis, Renania-Palatinado/Rheinland-Pfalz, Alemania
9 x 4 cm (Autor: Andreas Gerstenberg) -
manganese oxides (psilomelane)
Mina Ameise, Gosenbach, Siegen, Distrito Siegen-Wittgenstein, Arnsberg, Renania del Norte-Westfalia/Nordrhein-Westfalen, Alemania
7 x 3 cm (Autor: Andreas Gerstenberg) -
manganese oxides on limestone
Canteras caliza, Solnhofen, Distrito Weißenburg-Gunzenhausen, Mittelfranken, Baviera/Bayern, Alemania
92 mm x 73 mm x 7 mm (Autor: Don Lum) -
Manganese oxides
Zona Worcester, Cape Winelands, Provincia Occidental del Cabo, Sudáfrica
58 x 43 x 32 mm (Autor: Pierre Joubert) -
Manganese oxides
Zona Worcester, Cape Winelands, Provincia Occidental del Cabo, Sudáfrica
58 x 43 x 32 mm (Autor: Pierre Joubert) -
Manganese oxides
Zona Worcester, Cape Winelands, Provincia Occidental del Cabo, Sudáfrica
58 x 43 x 32 mm (Autor: Pierre Joubert) -
Manganite
Caland Pit, Atikokan, Hutchinson Township, Rainy River District, Ontario, Canada
6.0 x 8.0 cm.
Lustrous black bladed manganite crystals covering the top of massive manganite. (Author: crosstimber)
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Manganite
Ilfeld, Nordhausen, Harz Mts., Thüringia, Germany
4.8 x 5.9 cm
Lustrous, black, prismatic managanite crystals with typical longitudinal striations and minor calcite. (Author: crosstimber)
-
Manganite
Ilfield, Harz Mts., Nordhausen, Thuringia, Germany
4.7 x 5.6 cm. (Author: crosstimber)
-
Manganite from Illfeld, Harz, Germany; about 2.2 x 1.5 x 1.5 cm (Author: jaysminerals)
-
Manganite on white Baryte
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
10 X 10 X 9 cm (Autor: Jean Suffert) -
Manganite, baryte
Ilfeld, Harz mtns., Thuringia, Germany.
8 x 5,5 cm
Crystals up to 3 cm, with Carl Droop label (1890). (Author: Andreas Gerstenberg)
-
Manganite, Ilfeld. Harz Mts., now cleaned. 12.5 x 10 x 8 cm. (Author: Montanpark)
-
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
7 x 5.8 cm (Autor: JC) -
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
55mm x 55mm x 35mm (Autor: Don Lum) -
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
110 mm x 54 mm x 39 mm. Mass: 347 g (Autor: Carles Millan) -
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
110 mm x 54 mm x 39 mm. Mass: 347 g (Autor: Carles Millan) -
Manganite
Pozo Caland, Zona Lago Steep Rock, Atikokan, Distrito Rainy River, Ontario, Canadá
70mm x 55mm x 35 mm (Autor: Philippe Durand) -
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
69 x 37 mm (Autor: Sante Celiberti) -
Manganite
Ilfeld, Nordhausen, Distrito Nordhausen, Turingia/Thüringen, Alemania
2.9 x 1.2 cm (Autor: Michael Shaw) -
Manganoan Adamite, Mapimí Durango Mexico. 4.5cm size. (Author: javmex2)
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Manganoan Calcite
Madan Mine, Smolyan prov., Bulgaria
11 x 5,8 X 3,5 cm (Author: Jacquou HO)
-
Manganoan Calcite. 8.8×8×2.9 cm (Author: José Miguel)
-
Manganoan calcite.jpg (Author: Tracy)
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Manganocrete botrioidal
BR 354 C/ BR 262, Córrego Danta, Minas Gerais, Brazil
6 x 3 x 1,2 cm) (Author: Anísio Cláudio)
-
Manganocrete
BR 354 C/ BR 262, Córrego Danta, Minas Gerais, Brasil
11 x 10 x 8 cm (Author: Anísio Cláudio)
-
Manganoeudialyte
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2.0 mm (Autor: Doug) -
Manganokhomyakovite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 3mm (Autor: Doug) -
Manganoneptunite
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
FOV=2mm (Author: Doug)
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Manganoneptunite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 4mm (Autor: Doug) -
Manganvesuvianite
Mina N'Chwaning II, Zona minera N'Chwaning, Kuruman, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
FOV = 3.9 mm (Autor: Doug) -
Mansfieldite
Mina Torrecillas, Salar Grande, Provincia El Tamarugal, Región Tarapacá, Chile
fov 1.2 mm (Autor: Rewitzer Christian) -
Mantid, female, primitive and not yet named
Main Khun, Tanai Township, Kachin State, Burma (Myanmar).
27 mm. (Author: Ru Smith)
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Many colours: sulphur from Sicily, cobalt-coloured calcite from Bou Azzer and dolomite from Congo, dioptases from Namibia and Kazakhstan (Author: Tobi)
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Many of the xtals on this piece are terminated. Hope Jordi doesn’t mind me memorializing some of my favorite adult beverages in my pictures. (Author: Matt_Zukowski)
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Many of you may know the colorful Spanish limonites. The samples from the Bayerland mine, Waldsassen, Fichtelgebirge, Bavaria look very similar. 10,5 cm sample. (Author: Andreas Gerstenberg)
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Many single crystals, classic quartz from the dolostone. (Author: vic rzonca)
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Many tiny blades. Unfortunate bruise on the far left part. (Author: Turbo)
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MAP CAPTION
Map of Mapimi and district with an emphasis on some major tourist attractions, showing major and some minor roads.
As you head east from the historic town of Mapimí, you’ll discover striking emblems of its past and present. To your left, the vibrant Mapimí Plaza pulses as the town’s living heart, inviting you to contemplate your journey ahead while sipping an ice cold ponche de frutas. A little further along, the haunting remains of the great Peñoles Smelter archway stand silhouetted against the sky, a stark testament to a bygone industrial era. The expedition continues east of town to the junction of Federal Highway 30 and Cam. A Ojuela, marking the tourist entrance to the legendary Ojuela mine. After securing entry — for a fee of approximately 120 pesos for adults (about 6.50 USD) and 60 pesos for children (about 3.25 USD) — the true adventure commences. The final approach is a thrilling ascent up a steep, single-lane cobblestone road that clings dramatically to the canyon’s edge, leading you to the iconic suspension bridge and the ghostly mine itself. Modern photographs, shown in the inserts, capture the iconic beauty of some of Mapimí’s famous sites.
Benito Juárez Museum: 25.834166°Lat, -103.848510°Lon
Templo de Santiago Apóstol: 25.833903°Lat, -103.848470°Lon
Mapimi Plaza: 25.835270°Lat, -103.840922°Lon
Penoles Archway: 25.837484°Lat, -103.841450°Lon
Tourist Entrance: 25.842053°Lat, -103.816571°Lon
American Dos Mine: 25.806631°Lat, -103.802129°Lon
Ojuela Bridge: 25.792755°Lat, -103.790896°Lon
A BRIEF INTRODUCTION TO MAPIMÍ
INTRODUCTION
The town of Mapimí is located in the northeastern part of the State of Durango, approximately 65 kilometers northwest of Torreón, Coahuila, and 820 kilometers south of El Paso, Texas. It can be reached from the east via a paved road (Highway 30) from Bermejillo, a distance of 25 kilometers, or from the west from La Zarca, a small village on the Parral-Durango Highway (Highway 45).
Nestled within the sun-drenched expanse of Durango’s Chihuahuan Desert, the historic town owes its existence to the mineral rich Ojuela Mine. For centuries, this legendary source of Gold, Silver, Lead and Zinc fueled the town’s rise as a vital commercial and logistical hub, drawing a diverse populace of miners, engineers, and merchants.
The immense wealth unearthed from the mine is immortalized in Mapimí’s colonial heart, most notably in the defiant, Baroque facade of the Templo de Santiago Apóstol, which features intricate stone carvings and sturdy bell towers. Beyond its mineral legacy, the town holds a pivotal place in national history; the Benito Juárez Museum now occupies the very house where the president briefly established his government-in-exile. Today, the boom years echo in the haunting silence of the Ojuela ghost town, where a skeletal suspension bridge spans a breathtaking chasm — a dramatic elegy to the industry that once forged this desert jewel.
THE OJUELA MINE
From Economic Engine to Historical Landmark
The largest mine in the district, the Ojuela, plunges deep into the Mexican earth. Its name is a modern echo of its original, “Hojuela,” a title inspired by the exquisite, leaf-like texture of the Galena found within its depths. This legendary mine, one of the nation’s deepest and most productive, was the very source of Mapimí’s great wealth, forging the town’s fortune during its peak at the turn of the last century. Ore was discovered on the northern side of an east-trending arroyo near what is now the abandoned city of Ojuela. The “boca de mina,” the original discovery area, can still be seen, and its original hand-hewn steps in the limestone are still visible. The nearby town of Ojuela, located near the apex of two large ravines, had a population of almost 3,000 at its peak.
During more active periods, a railroad connected Mapimí with Bermejillo, a station on the Mexican Central Railroad, while a small spur led 3.5 kilometers from Mapimí up the canyon to the mine. In 1893-94, the company Peñoles introduced electricity and built an arsenic plant that produced 1500 tons of refined white arsenic a year.
To facilitate access, the impressive Puente de Ojuela was constructed to span the arroyo separating the main shafts from the mines to the south. Built by the John A. Roebling Company in 1899, it was, at that time, the second-longest suspension bridge in the world. The bridge is 325.83 meters long, 1.83 meters wide, and stands about 80 meters above the bottom of the arroyo. Despite its age, the overall structure remains strong.
In the late 1880s, the Compañía Minera de Peñoles forged an industrial destiny for Mapimí, Durango, with the establishment of a massive smelter. This fiery crucible was the heart of a regional boom, built to process the immense wealth of Silver and Lead ores pouring from the legendary Ojuela Mine. The smelter’s insatiable appetite became a catalyst for progress, demanding the construction of a vital railroad and the awe-inspiring Ojuela Bridge. Together, these engineering marvels created an industrial lifeline that defined an era of intensive extraction.
However, the same economic tides that created this powerhouse would also dismantle it. The fire of industry, so fiercely lit, began to cool in the 1920s. By 1921, Peñoles found it more profitable to centralize operations in cities like Torreón and Monterrey, and the systematic dismantling of the Mapimí smelter began. This coincided with the faltering pulse of the mine itself; its primary veins were becoming depleted, and production slowed to a trickle before ceasing almost entirely in the 1930’s. The once-thundering industrial complex fell silent. In its demise, however, the site found a new purpose, transitioning from a generator of mineral wealth to a custodian of history, where the ghosts of its industrial past now draw tourists to marvel at the legacy it left behind.
The Modern Municipality of Mapimí
The contemporary town of Mapimí has a population of several thousand inhabitants. The local economy has diversified from its historical reliance on mining and is now primarily supported by agriculture adapted to arid conditions and a growing tourism sector.
The town’s well-preserved colonial architecture is a key attraction for visitors. Mapimí’s integration with regional transportation networks is crucial for its economic stability; Mexican Federal Highway 30 connects the town to Bermejillo, which in turn links to Mexican Federal Highway 49, a major national corridor providing vital access to larger urban centers like Gómez Palacio and Torreón.
Geography and Climate
Mapimí is situated at the base of the northern end of the Bufa de Mapimí, an elongated mountain approximately 3 kilometers wide with an axis that trends about 40° northwest. Seen from the west, its profile resembles a woman’s face. The mountain’s eastern side is steep and almost impassable, while the western slope is considerably gentler. The crest of the Bufa rises to an elevation of about 2700 meters, some 700 meters above the valley floor. The Ojuela mine is located on the east side of the mountain, about 400 meters below the crest.
Geographically, the town is located within the Bolsón de Mapimí, a large endorheic basin that is part of the Chihuahuan Desert. The region is also known for the Mapimí Silent Zone (Zona del Silencio), an area noted in popular culture for alleged anomalous magnetic and radio phenomena, though these claims are not supported by scientific evidence.
The climate is classified as desert, featuring hot summers with temperatures around 35°C and mild winters around 5°C. Annual precipitation is minimal, varying from 20 to 35 centimeters, most of which falls during the rainy season from July to October.
Ecology and the Mapimí Biosphere Reserve
The local flora and fauna are adapted to the arid environment. To conserve this unique and fragile ecosystem, the Mapimí Biosphere Reserve, a protected area recognized by UNESCO, was established. The reserve serves as a critical habitat for a diverse range of wildlife, including pumas, mule deer, and coyotes. It is particularly important for the conservation of the endangered Bolson tortoise (Gopherus flavomarginatus), the largest land reptile in North America.
The vegetation is designated by botanists as Chihuahuan Desert Shrub. The dominant flora is xerophytic scrubland, composed of plant species that have evolved to tolerate prolonged drought. The most characteristic species is Larrea tridentata (creosote bush), which is associated with Acacia (huizachal), several species of Agave (lechugilla and maguey), Dasylirion wheeleri (sotol), Euphorbia anti-syphilitica (candelilla), Fouquieria splendens, at least four species of Opuntia (cholla), Prosopis (mesquite), and Yucca. In the higher portions of the district, especially on the western side of the Bufa, Quercus intricata (scrub oak) can be found. The principal crops of the area are corn and beans. (Author: silvia)
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Map of epidote locale at the Khowrin Mount, central Iran (Author: vhairap)
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Map with best spots of Tourmaline, Orthoclase, Beryl and Apatite...in the North Coast of Brittany (Author: Benj)
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MAPIMI, DURANGO, MEXICO.jpg (Author: d_hawtho)
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Marcasite
Komořany, Most, Ústí Region, Bohemia, Czech Republic
5.6 x 6.1 cm
Arborescent group of pale, bronze-yellow, spear-shaped crystals. This location is a classic locale for marcasite where it occurs in plastic clays associated with coal deposits. (Author: crosstimber)
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Marcasite
Magnet Cove, Hot Spring County, Arkansas, USA
24.5 x 9.5 x 3.0 cm
Marcasite "Weenie Dog"
(Dachshund-shaped)
Personally Collected (Author: Don Lum)
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Marcasite
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
FOV=2mm (Author: Doug)
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Marcasite
San Juan de Rayas mine, Guanajuato, Guanajuato, México
80x60x25mm (Author: Carlos M.)
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Marcasite
San Vicente mine, Guanajuato, Guanajuato, México
77x56x59mm
(Author: Carlos M.)
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Marcasite after pyrite, calcite, quartz
Freiberg district, Erzgebirge, Saxony, Germany.
9 x 6 cm (Author: Andreas Gerstenberg)
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Marcasite and Dolomite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 6.5 mm (Autor: ploum) -
Marcasite and Dolomite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 6.8 mm (Autor: ploum) -
Marcasite and Dolomite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 7.5 mm (Autor: ploum) -
Marcasite and Dolomite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 4.5 mm (Autor: ploum) -
Marcasite crystals with a slight green tarnish from Christiane mine, Adorf, Hesse. Sample width: 10,5 cm. (Author: Andreas Gerstenberg)
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Marcasite nodule. 45 x 30 mm Kansas USA, at least thats what its supposed to be, its a Boji Stone, I bought it because it looks like a flying saucer, not for any alleged mystical properties. (Author: nurbo)
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Marcasite nodules Weardale UK largest 75 x 50 mm (With lense ding top centre) (Author: nurbo)
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Marcasite on brownish rhodochrosite matrix from Neue Hoffnung Gottes mine, Bräunsdorf, Freiberg district, Saxony. Sample width: 6,5 cm. (Author: Andreas Gerstenberg)
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Marcasite on Dolomite
Albvorlandtunnel, Wendlingen, Distrito Esslingen, Región Stuttgart, Baden-Württemberg, Alemania
8 x 3,5 cm (Autor: Volkmar Stingl) -
Marcasite on Dolomite
Mina de Reocín, Reocín, Comarca Saja-Nansa, Cantabria, España
main crystal size: 0.6 × 0.5 cm (Autor: Jordi Fabre) -
Marcasite ps. pyrrhotite
Baia Sprie, Maramures, Romania
4.2 x 6.2 cm.
Sharp platy pyrrhotite crystals replaced by marcasite. Mined circa 1969. (Author: crosstimber)
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Marcasite Pyrite Dolomite
Frizington Parks Mine, Frizington, Cumbria, England, UK.
FOV 15 x 15 mm approx (Author: nurbo)
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Marcasite, Arsenopyrite, Calcite-Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 9 cm x 8 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Calcite-Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 9 cm x 8 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Calcite-Dolomite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 9 cm x 8 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 7 cm x 5 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 7 cm x 5 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Quartz, Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 7 cm x 5 cm (Autor: silvia) -
Marcasite, Arsenopyrite, Quartz, Dolomite, Muscovite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 7 cm x 5 cm (Autor: silvia) -
Marcasite, Arsenopyrite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 9 cm x 8 cm (Autor: silvia) -
Marcasite, Arsenopyrite
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
10 cm x 9 cm x 8 cm (Autor: silvia) -
Marcasite, calcite
Mina Linwood, Buffalo, Condado Scott, Iowa, USA
5.1 x 7.2 cm (Autor: crosstimber) -
Marcasite, calcite
Mina Linwood, Buffalo, Condado Scott, Iowa, USA
5.1 x 7.2 cm (Autor: crosstimber) -
Marcasite, Dolomite
Mina de Reocín, Reocín, Comarca Saja-Nansa, Cantabria, España
60x58x25mm (Autor: Fiebre Verde) -
Marcasite, Galena, Sphalerite
Mina Ballard, Baxter Springs, Picher Field, Distrito Tri-State, Condado Cherokee, Kansas, USA
7.5 x 6.5 cm (Autor: Michael Shaw) -
Marcasite, Pyrite, Arsenopyrite, Calcite & Quartz
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
6 cm x 6 cm x 4 cm (Autor: silvia) -
Marcasite, Pyrite, Arsenopyrite, Calcite & Quartz
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
6 cm x 6 cm x 4 cm (Autor: silvia) -
Marcasite, Pyrite, Arsenopyrite, Calcite & Quartz
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
6 cm x 6 cm x 4 cm (Autor: silvia) -
Marcasite, Pyrite, Arsenopyrite, Calcite & Quartz
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
6 cm x 6 cm x 4 cm (Autor: silvia) -
Marcasite, Pyrite, Arsenopyrite, Calcite & Quartz
Minas da Panasqueira, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Cova da Beira, Región Centro, Portugal
6 cm x 6 cm x 4 cm (Autor: silvia) -
Marcasite, Quartz
Xiamei, Wuyishan, Prefectura Nanping, Provincia Fujian, China
4,5 x 4,5 cm (Autor: Volkmar Stingl) -
Marcasite, Quartz
Xiamei, Wuyishan, Prefectura Nanping, Provincia Fujian, China
4 x 4 cm (Autor: Volkmar Stingl) -
Marcasite, Quartz
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
140 mm x 90 mm x 80 mm (Autor: silvia) -
Marcasite, Quartz
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
140 mm x 90 mm x 80 mm (Autor: silvia) -
Marcasite, Quartz
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
140 mm x 90 mm x 80 mm (Autor: silvia) -
Marcasite, Quartz
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
140 mm x 90 mm x 80 mm (Autor: silvia) -
Marcasite, Tetrahedrite, Galena
Mina Naica, Naica, Municipio Saucillo, Chihuahua, México
90 mm x 60 mm x 45 mm (Autor: Robert Seitz)Marcasite, Tetrahedrite, Galena
Mina Naica, Naica, Municipio Saucillo, Chihuahua, Méxi -
Marcasite/Pyrite in Dolomite
Frizington Parks Mine, Frizington, Cumbria, England, UK.
FOV 15 x 10 approx (Author: nurbo)
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Marcasite/Pyrite in Dolomite w Sulphur (?)
Frizington Parks Mine, Frizington, Cumbria, England, UK.
30 x 25 mm (Author: nurbo)
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Marcasite
Belle Fourche Reservoir, South Dakota, USA
6 x 6 x 4 cm (Author: Joseph D'Oliveira)
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Marcasite
Belle Fourche Reservoir, South Dakota, USA
2.5 cm in diameter
Two additional spike balls of marcasite from Belle Fourche (Author: Joseph D'Oliveira)
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Marcasite
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
1.5 x 10.5 cm (Autor: crosstimber) -
Marcasite
Mina Bou Nahas, zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
1.5 x 10.5 cm (Autor: crosstimber) -
Marcasite
Temple, Condado Bell, Texas, USA
5.7 x 5.8 cm (Autor: crosstimber) -
Marcasite
Picher Field, Distrito Tri-State, Condado Ottawa, Oklahoma, USA
70 mm X 55 mm X 50 mm (Autor: Robert Seitz) -
Marcasite
Picher Field, Distrito Tri-State, Condado Ottawa, Oklahoma, USA
70 mm X 55 mm X 50 mm (Autor: Robert Seitz) -
Marcasite
Picher Field, Distrito Tri-State, Condado Ottawa, Oklahoma, USA
70 mm X 55 mm X 50 mm (Autor: Robert Seitz) -
Marcasite
Mina Naica, Naica, Municipio Saucillo, Chihuahua, México
70 mm x 50 mm x 50 mm (Autor: Robert Seitz) -
Marcasite
Mina Linwood, Buffalo, Condado Scott, Iowa, USA
3.0 x 4.1 cm (Autor: crosstimber) -
Marcasite
Zona minera Oumjrane, Comunidad Alnif, Provincia Tinghir, Región Drâa-Tafilalet, Marruecos
6x5 cm. (Autor: Enrique Llorens) -
Marcasite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 5.0 mm (Autor: ploum) -
Marcasite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 5.0 mm (Autor: ploum) -
Marcasite
Mina Conco, North Aurora, Condado Kane, Illinois, USA
2.1 x 2.3 x 8.1 cm (Autor: Michael Shaw) -
Marcasite
Kramstollen (Túnel Kram), Brixlegg, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
2 x 2 cm (Autor: Volkmar Stingl) -
Marcasite
Großkogel, St Gertraudi, Reith im Alpbachtal, Distrito Kufstein, Valle Inn, Tirol Norte, Tirol, Austria
2 x 2 cm (Autor: Volkmar Stingl) -
Marcasite
Cap Blanc-Nez, Pas-de-Calais, Hauts-de-France, Francia
2,7 x 2 cm (Autor: Volkmar Stingl) -
Marcasite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 6.06 mm (Autor: ploum) -
Marcasite
Mina de Reocín, Reocín, Comarca Saja-Nansa, Cantabria, España
3,5 x 3 cm (Autor: Volkmar Stingl) -
Marcasite
Mina de Reocín, Reocín, Comarca Saja-Nansa, Cantabria, España
3,5 x 3 cm (Autor: Volkmar Stingl) -
Marcasite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 4.2 mm (Autor: ploum) -
Marcasite
Beez, Distrito Namur, Provincia Namur , Wallonia, Bélgica
fov 4.8 mm (Autor: ploum) -
Marcasite
Mina de Reocín, Reocín, Comarca Saja-Nansa, Cantabria, España
55 mm x 38 mm (Autor: Carles Millan) -
Marcasite
Mina Linwood, Buffalo, Condado Scott, Iowa, USA
4.0 x 0.5 cm (Autor: Michael Shaw) -
Marcasite
Mina Sweetwater, Ellington, Distrito Viburnum Trend, Condado Reynolds, Missouri, USA
9.8 x 7.4 x 6.9 cm (Autor: Michael Shaw) -
Marcasite
Mina Sweetwater, Ellington, Distrito Viburnum Trend, Condado Reynolds, Missouri, USA
9.8 x 7.4 x 6.9 cm. (Autor: Michael Shaw) -
Marcassite
Mina Linwood, Buffalo, Condado Scott, Iowa, USA
75mm x 15mm X 15mm (Autor: Philippe Durand) -
March 2013.
Opal outcrop, Camarillas reservoir, Agramón, Hellín, Comarca Campos de Hellín, Albacete, Castilla-La Mancha, Spain (Author: franjungle)
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march titanites 003.JPG (Author: Glenn Rhein)
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march titanites 010.JPG (Author: Glenn Rhein)
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march titanites 011.JPG (Author: Glenn Rhein)
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Margarite
Melvin Mine, Chester, Hampden Co,, Massachusetts, USA
7.5 x 10.2 cm
Pink margarite with minor green clinochlore and magnetite from another classic Massachusetts locality. The magnetite at this location was mixed with corundum and was mined as emery for abrasives. Self collected. (Author: crosstimber)
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Margarosanite, Clinohedrite, Willemite
Franklin, NJ
4x4 (Author: LennyL)
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Maricopaite, Mimite
Mina Moon Anchor, Hummingbird Spring, Distrito Osborn, Montes Bighorn, Condado Maricopa, Arizona, USA
FOV = 1.8 mm (Autor: Doug) -
Marius, the person who discovered the pocket. (Author: Pierre Joubert)
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Mark Mauthner and Jim Spann. Mark is holding the pyromorphite on the cover of the MinRec. that Jim is holding. Mark wrote his first article for this issue. (Author: Gail)
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Mark Randle with nice amethyst specimen also covered by mud. (Author: John S. White)
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Marokko.JPG (Author: Tobi)
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Marshallsussmanite, Aegirine
Wessels Mine, Kalahari Manganese Field, Northern Cape Province, South Africa
7 x 5.3 cm
Named in 2013 in honor of Marshall Sussman, U.S. mineral collector who specializes in South African and Namibian minerals. (Author: Don Lum)
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Marshallsussmanite
Mina Wessels, Hotazel, Kalahari manganese field (KMF), Provincia Septentrional del Cabo, Sudáfrica
6.5 cm (Autor: Gail) -
Marthosite
Musonoi - Katanga, DRCongo (Author: Roger Warin)
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Martinite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2mm (Autor: Doug) -
martite still in the mail. 9.4 cm x 7.1 cm x 5.5 cm (Author: Samuel)
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Mas Sever Quarry (Massabé Quarry) - November 2007
Photo: Pepe (Author: Jordi Fabre)
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Mina Mashamba West, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
(Autor: silvia) -
mass of graphite (Author: Glenn Rhein)
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Massabe Quarry in december 2005 (Author: Sergio)
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Massive antimonite from Greiz, Thuringia (maybe from Waldhaus or Kleinreinsdorf). Sample width: 12 cm. (Author: Andreas Gerstenberg)
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Massive berthierite with characteristic blue tarnish. 9 cm rich ore sample from Heinrich Stehender vein, 13th level, Alte Hoffnung Gottes mine, Kleinvoigtsberg near Freiberg, Saxony. (Author: Andreas Gerstenberg)
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Massive bluish grey berthierite - a very rich oldtimer from Kuhschacht, Bräunsdorf (near the famous Neue Hoffnung Gottes mine), Freiberg district, Erzgebirge, Saxony. Sample 7 cm in width. (Author: Andreas Gerstenberg)
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Massive bornite, a rather rare mineral from Kamsdorf, Thuringia. Picture width: 11 cm. (Author: Andreas Gerstenberg)
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massive fluorite
El Portalet....
55*44 mm (Author: Benj)
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Massive pyrargyrite ("Rotgültig") in dolomite/fluorite matrix from König David mine, Annaberg district, Erzgebirge, Saxony. 6,5 cm sample. (Author: Andreas Gerstenberg)
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Massive Sauberg fluorite - a rarity from the 243 working. 6,5 cm polished sample. Similar fluorites are known from the Freiberg district, Saxony (green and violet from the Trau auf Gott mine/Lichtenberg and - very, very rare - from Schwemmpfennig mine/Muldenhütten), from Johnsbach and Rittersgrün, Saxony and from the famous fluorite district Wölsendorf, Bavaria. (Author: Andreas Gerstenberg)
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Massive tetraedrite with chalkopyrite. Rich ore sample (12 x 10 cm) from Hohe Birke mine, Freiberg, Erzgebirge. (Author: Andreas Gerstenberg)
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Massive tinticite with some dark brown jarosite from the Weckersdorf quarry, Zeulenroda, Thuringia. This material looks precisely as the kamarizaite from Lavrion/Greece. (Author: Andreas Gerstenberg)
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Massive ullmannite ore from Baudenberg, Neunkirchen, Siegerland, Westphalia. Sample 10 cm. (Author: Andreas Gerstenberg)
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Massive, zoned fluorite from the Pfeifer mine, Wölsendorf, Bavaria. 8 cm sample with 1920s label, former Wilhelm Vierling (wilhelmvierlingite!) collection. (Author: Andreas Gerstenberg)
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mat board, two colours, for a double mat. (Author: Gail)
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matted (Author: Gail)
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matted with decorative corners. (Author: Gail)
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matted. (Author: Gail)
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Maucherite
Eisleben, Mansfeld Basin, Sajonia-Anhalt/Sachsen-Anhalt, Alemania
fov 4 mm (Autor: Rewitzer Christian) -
Mawbyite on Scorodite (close up)
Tsumeb, Namibia
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Mawbyite red brown xls on Scorodite xls and Quartz xls
Tsumeb, Namibia
Size: Miniature
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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May be the best location for German lithiophorites: Lenzhahn quarzite quarry, Idstein, Taunus, Hesse. Sample 6 cm. The mineral is often accompanied by yellowish florencite. (Author: Andreas Gerstenberg)
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Maybe its not a 7 but a W (Author: nurbo)
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Maybe this is why it’s called Dubh Lochan. On this reflective morning, and in the eerie stillness, the surface of the water seemed to turn into a Black Hole. (Author: Mike Wood)
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Mazzite-Na
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2.6 mm (Autor: Doug) -
mbmbmb.JPG (Author: Pierre Joubert)
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Mcguinnessite
Mina Sierra Magnesite (Mina Premier Chemicals), Gabbs, Distrito Gabbs, Condado Nye, Nevada, USA
FOV = 3.9 mm (Autor: Doug) -
McGuinnessite
Mina Casualidad, Cordillera de los Picachos, Baños de Sierra Alhamilla, Pechina, Comarca Metropolitana de Almería, Almería, Andalucía, España
FOV 3,2 mm (Autor: Rewitzer Christian) -
Mckelveyite-(Y)
Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
FOV=4mm (Author: Doug)
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Bretaña/Bretagne, Francia
(Autor: Benj) -
Me and my "Ordinary" Victoria. 52 inch wheel also known as Penny Farthing. (Author: Gail)
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Me and my "OTHER" collection... (Author: Gail)
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Me removing a large rock of sandstone. (Author: Pierre Joubert)
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Me, doing what I love:-) (Author: Pierre Joubert)
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