-
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)
-
Marcasite Pyrite Dolomite
Frizington Parks Mine, Frizington, Cumbria, England, UK.
FOV 15 x 15 mm approx (Author: nurbo)
-
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)
-
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)
-
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)
-
Meanwhile back in the cave..This was obviously a pre-dug cave, the floor was a couple of feet deep in small rubble, which I had a scrape around in and found a few pink fluorite crystals! A bit rough but pink and octahedral to a cm or two, mostly broken. In the back of the 4m deep cave there was a mossy crack just big enough to get your arm in. My headtorch revealed shiny faces, at full arm stretch. I could see the big smoky; it looked as if previous visitors had seen it too as it had a few bruises where someone had tried to dislodge it by jabbing an ice-axe at it. I managed to lever it out with mine, also utilising the lumphammer. I found several loose smaller smokies in the crack by feeling around, and getting cut in the process. Some of them are nice little floaters.
After a couple of hour I had to go, back on route up the arete to the top. It was very exposed and I had to use a ’back-rope’ kind of technique to protect myself; this was a first for me.
Photo scanned from slide. (Author: Mike Wood)
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Příbram, Región Bohemia Central, Bohemia, República Checa
(Autor: Psax) -
Meikle Mine Barite with Calcite personally collected by Casey Jones (large cabinet). Size: 12.5 cm (Author: GneissWare)
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Meikle Mine Millerite with Spahlerite on Pyrite personally collected by Casey Jones (large cabinet) - now in the French national museum. Size: 9.5 cm (Author: GneissWare)
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Meionite
Somma-Vesuvius Complex, Naples Province, Campania, Italy
2.85 mm area with some Meionite crystals (Author: Matteo_Chinellato)
-
meionite (Author: Glenn Rhein)
-
Meionite (Author: Glenn Rhein)
-
Meionite (Author: Glenn Rhein)
-
Meionite (Author: Glenn Rhein)
-
Meionite and Titanite (Author: Glenn Rhein)
-
meionite group (Author: Glenn Rhein)
-
meionite, diopside, titanite and fluorapatite (Author: Glenn Rhein)
-
Meionite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 5mm (Autor: Doug) -
Meionite
Cantera San Vito, Monte Somma, Complesso Somma-Vesuvio, Ciudad metropolitana de Nápoles, Campania, Italia
4 x 3,5 cm (Autor: Volkmar Stingl) -
Meionite
Cantera San Vito, Monte Somma, Complesso Somma-Vesuvio, Ciudad metropolitana de Nápoles, Campania, Italia
4 x 3,5 cm (Autor: Volkmar Stingl) -
meionitevug 006.JPG (Author: Glenn Rhein)
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meionitevug 008.JPG (Author: Glenn Rhein)
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Melanite
Arrondissement Diako, Bafoulabé Circle, Kayes Region, Mali
Largest crystal 1,5 m, Field of view 6 cm
(Author: Tobi)
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Melanophlogite
Fortulino. Livorno. Italy
Sphere 2,8mm
2x. Focus rail MacroRail. Canon EOS 600D. Light Ikea
Photo: Oscar Fernández Arcís Mineral: Manuel De Torres (Author: ofarcis)
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Melanophlogite
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
3.58 mm group of cubic Melaphlogite crystals (Author: Matteo_Chinellato)
-
Melanophlogite
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
3.19 mm group of cubic Melaphlogite crystals (Author: Matteo_Chinellato)
-
Melanophlogite
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
3.92 mm group of Melanophlogite balls (Author: Matteo_Chinellato)
-
Melanophlogite
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
3.83 mm group of Melanophlogite balls (Author: Matteo_Chinellato)
-
Melanophlogite
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
6.03 mm group of Melanophlogite balls (Author: Matteo_Chinellato)
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Melanophlogite, Quartz
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
33 x 32 mm (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
1,9 x 1,4 cm (Autor: Volkmar Stingl) -
Melanophlogite
Cantera Borges, Lombard, Condado Napa, California, USA
FOV = 3.8 mm (Autor: Doug) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
5.6 cm x 7.0 cm (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
42,8 x 31,7 mm (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
42,8 x 31,7 mm (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
42,8 x 31,7 (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
33 x 32 mm (Autor: Sante Celiberti) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
9 x 6 cm (Autor: Volkmar Stingl) -
Melanophlogite
Fortullino, Rosignano Marittimo, Provincia Livorno, Toscana, Italia
9 x 6 cm (Autor: Volkmar Stingl) -
Melanterite
65 x 40 x 29 mm
Stamm Asser mine, Graul, Raschau, Erzgebirge, Saxony, Germany. (Author: Andreas Gerstenberg)
-
Melanterite
Rammelsberg mine, Rammelsberg, Goslar, Harz, Lower Saxony, Germany
3,5 x 3 cm (Author: Andreas Gerstenberg)
-
Melanterite
Filón Norte, Tharsis, Alosno, Huelva, Spain
The formation of beautiful melanterite in Filon Norte during cold days soon after raining, is an interesting phenomenon. Occasionally, the crystals are up to 5-10 cm., covering dozens of square meters of soil under the massive pyrite stockpiles. (Author: Cesar M. Salvan)
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Melanterite
Mina Fenice Capanne, Massa Marittima, Provincia Grosseto, Toscana, Italia
20 x 18,5 cm (Autor: Sante Celiberti) -
Melanterite
Mina Fenice Capanne, Massa Marittima, Provincia Grosseto, Toscana, Italia
20 x 18,5 cm (Autor: Sante Celiberti) -
Mellite crystal fragments in ancient vial (6 cm) from the type locality, Auguste coal mine near Artern, Thuringia. (Author: Andreas Gerstenberg)
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Melnikovite
Mina Niccioleta, Massa Marittima, Provincia Grosseto, Toscana, Italia
14 x 10 cm (Autor: Sante Celiberti) -
melnikovite
Mina Campiano, Montieri, Provincia Grosseto, Toscana, Italia
37 x 29 mm (Autor: Sante Celiberti) -
Meneghinite, Boulangerite
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
20 x 10 cm (Autor: Sante Celiberti) -
Meneghinite, Boulangerite
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
20 x 10 cm (Autor: Sante Celiberti) -
Meneghinite, Boulangerite
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
20 x 10 cm (Autor: Sante Celiberti) -
Meneghinite, Quartz
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
49 x 28 mm (Autor: Sante Celiberti) -
Meneghinite, Quartz
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
49 x 28 mm (Autor: Sante Celiberti) -
Meneghinite, Sphaleerite, Galena
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
87 x 59 mm (Autor: Sante Celiberti) -
Meneghinite, Sphalerite, Galena
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
87 x 59 mm (Autor: Sante Celiberti) -
Meneghinite, Sphalerite, Galena
Mina Bottino, Sant'Anna (Sant'Anna di Stazzema), Alpes Apuanos, Municipio Stazzema, Provincia Lucca, Toscana, Italia
87 x 59 mm (Autor: Sante Celiberti) -
Mercury
Mina Socrates, Zona Castle Rock Springs, Distrito West Mayacmas, Condado Sonoma, California, USA
4.6 x 6.9 cm (Autor: crosstimber) -
Merle and our dog, Albite. He LOVES her! (Author: Gail)
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Mesolite
Kannad, Aurangabad District, Maharashtra, India
7.6 x 8.2 cm.
Light tan sphere of mesolite with with small pinkish-tan heulandite crystals on brown basalt. Collected in 2009. (Author: crosstimber)
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Mesolite
Lonavala, Pune District, Maharashtra, India
4.5 x 11.7 cm.
Divergent sprays of colorless mesolite on a thin rind of basalt and pale pink stilbite. (Author: crosstimber)
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Mesolite
Talisker Bay, Isle of Skye, Scotland, UK
6 cm x 5 cm x 4 cm
Mesolite crystals to 13mm in analcime-lined gas cavity in basalt rock.
Self-collected 1988. (Author: Mike Wood)
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Mesolite on Apophyllite on Trapp basalt matrix, Poonah district, India. (Author: Montanpark)
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Mesolite (?), Analcime, Heulandite-Ca
Hvalfjörður, Reikiavik Norte, Islandia
46x38x12mm (Autor: Bergur_E_Sigurdarson)Mesolite (?), Analcime, Heulandite-Ca
Hvalfjörður, Reikiavik Norte, -
Mesolite (?), Analcime
Hvalfjörður, Reikiavik Norte, Islandia
78x73x50mm (Autor: Bergur_E_Sigurdarson) -
Mesolite + Chabazite
Moonen Bay, Isle of Skye, Scotland, UK
70 mm x 55 mm high x 25 mm
Mesolite in attractive radiating clusters to 13mm across on pink twinned chabazite crystals. From the south end of Moonen Bay.
Self-collected 1997. (Author: Mike Wood)
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Mesolite + Stilbite
Sgurr nam Boc, Isle of Skye, Scotland, UK
9 cm high x 5 cm x 4 cm
Superb mesolite ’ball’ 50mm across, with white stilbite crystals, resting on coloured chabazite crystals. The mesolite ball is not complete; it is cleaved across the back - but it displays well ! From the same boulder as the previous photographed specimen. Self-collected 2006. (Author: Mike Wood)
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Mesolite on Apophyllite on Trapp basalt matrix, Poonah district, India.
Size 12 x 10.5 x 7.5 cm. (Author: Montanpark)
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Mesolite on Thomsonite
Khadakwani, Distrito Khargone, Madhya Pradesh, India
5 x 4 cm (Autor: Volkmar Stingl) -
Mesolite on Thomsonite
Khadakwani, Distrito Khargone, Madhya Pradesh, India
6 x 4,5 cm (Autor: Volkmar Stingl) -
Mesolite on Thomsonite
Khadakwani, Distrito Khargone, Madhya Pradesh, India
6 x 4,5 cm (Autor: Volkmar Stingl) -
Mesolite or Natrolite
Sgurr nam Boc, Isle of Skye, Scotland, UK
9 cm high x 6 cm x 4 cm
Large ’mesolite’ crystals collected from wave-cut platform at south end of beach at Sgurr nam Boc. I have a recollection that this material was tested, and it may be natrolite - but I can’t remember now !
It is certainly the largest of its type I have seen from Skye. Self-collected 2003. (Author: Mike Wood)
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Mesolite, 'Chabazite'
Cantera Upper Ritter, Ritter, Condado Grant, Oregon, USA
FOV = 3.4 mm (Autor: Doug) -
Mesolite/Natrolite, Stilbite, Heulandite
Hvalfjörður, Reikiavik Norte, Islandia
17cm x 10,5cm x 7cm (Autor: Bergur_E_Sigurdarson)Mesolite/Natrolite, Stilbite, Heulandite
Hvalfjörður, Reikiavik Nort -
Mesolite/Natrolite, Stilbite, Heulandite
Hvalfjörður, Reikiavik Norte, Islandia
17cm x 10,5cm x 7cm (Autor: Bergur_E_Sigurdarson)Mesolite/Natrolite, Stilbite, Heulandite
Hvalfjörður, Reikiavik Nort -
Mesolite
Kannad, Distrito Aurangabad, División Aurangabad, Maharashtra, India
H:2.2cm x W:9.2cm x D:5.8cm (Autor: Adrian Pripoae) -
Mesolite
Kannad, Distrito Aurangabad, División Aurangabad, Maharashtra, India
11.4 cm (Autor: crosstimber) -
Mesolite
Distrito Ahmadnagar, Maharashtra, India
163mm x 152mm x 103mm (Autor: Don Lum) -
Mesolite
Distrito Ahmadnagar, Maharashtra, India
163mm x 152mm x 103mm (Autor: Don Lum) -
Mesolite
Distrito Ahmadnagar, Maharashtra, India
163mm x 152mm x 103mm (Autor: Don Lum) -
Mesolite
Meshgin Shahr, Distrito Meshgin Shahr, Provincia Ardabil, Irán
12 * 10 cm (Autor: h.abbasi) -
Mesolite
Lonavale (Lonavala), Distrito Pune (Distrito Poonah), Maharashtra, India
4.5 x 11.7 cm (Autor: crosstimber) -
Mesolite
Cap d'Or, Bahía de Fundy, Parrsboro, Condado Cumberland, Nueva Escocia, Canadá
6.8 x 7.7 cm (Autor: crosstimber) -
Mesolite
Cantera Upper Ritter, Ritter, Condado Grant, Oregon, USA
FOV = 3.8 mm (Autor: Doug) -
Mesolite
Cantera Upper Ritter, Ritter, Condado Grant, Oregon, USA
FOV = 4.3 mm (Autor: Doug) -
Mesolite
Canteras Pashan, Pashan, Distrito Pune (Distrito Poonah), Maharashtra, India
fov 46 mm (Autor: ploum) -
Mesolite
Cantera Upper Ritter, Ritter, Condado Grant, Oregon, USA
2.5 x 2.0 cm (Autor: Michael Shaw) -
Mesolite
Canteras Pashan, Pashan, Distrito Pune (Distrito Poonah), Maharashtra, India
7.0 x 4.5 x 2.5 cm (Autor: Michael Shaw) -
Messina 5 shaft hematite crystals on hematite included quartz crystal-south africa.jpg (Author: Anton Potgieter)
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Meta autunite
São Pedro Claim, Malacacheta, Minas Gerais, Brazil
1.6 x 3.0 cm.
Books of lemon yellow, bladed crystals to forming an intergrown cluster. Obtained from Carlos Barbosa in 1993. (Author: crosstimber)
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Meta-autunite
Mina Margnac, Compreignac, Bellac, Departamento Haute-Vienne, Nouvelle-Aquitaine, Francia
3 cm (Autor: Benj) -
Meta-autunite
Mina Daybreak, Monte Kit Carson, Condado Spokane, Washington, USA
3.5 x 5.1 cm (Autor: crosstimber) -
Meta-autunite
Mina Margnac II, Compreignac, Bellac, Departamento Haute-Vienne, Nouvelle-Aquitaine, Francia
3 cm (Autor: Benj) -
Meta-Autunite
Malacacheta, Municipio Malacacheta, Vale do Mucuri, Minas Gerais, Brasil
1.6 x 3.0 cm (Autor: crosstimber) -
Meta-torbernite
Assuncao Mine, Aldea Nova, Viseu Dist., Portugal
6.4 x 9.5 cm, FOV ~ 4.0 cm.
Emerald green crystals to 3.0 mm on quartz. (Author: crosstimber)
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Meta-Torbernite
Mina El Sherana, Río South Alligator, Región West Arnhem, Territorio del Norte, Australia
80 mm x 70 mm x 60 mm (Autor: silvia) -
Meta-Torbernite
Mina El Sherana, Río South Alligator, Región West Arnhem, Territorio del Norte, Australia
80 mm x 70 mm x 60 mm (Autor: silvia) -
Meta-Torbernite
Mina El Sherana, Río South Alligator, Región West Arnhem, Territorio del Norte, Australia
80 mm x 70 mm x 60 mm (Autor: silvia) -
Metacinnabar
Mina Mount Diablo, Mount Diablo, Parque Estatal Mount Diablo, Clayton, Condado Contra Costa, California, USA
FOV = 4.0 mm (Autor: Doug) -
Metahewettite
Concesión VanNavSan, Cordillera Fish Creek, Distrito Gibellini, Condado Eureka, Nevada, USA
FOV = 3.3 mm (Autor: Doug) -
Metallic breithauptite inclusions with grey skutterudite in calcite matrix from the type locality, Samson mine near St. Andreasberg, Harz, Lower Saxony. Picture width: 5 mm. (Author: Andreas Gerstenberg)
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Metamunirite
Mina D Day #1, Grupo D Day Mine, Distrito Thompsons, Condado Grand, Utah, USA
0,8 x 0,6 cm (Autor: Volkmar Stingl) -
Metarossite
Mina Little Eva, Yellow Cat Mesa, Distrito Thompsons (S. E. Thompsons), Condado Grand, Utah, USA
FOV = 4.0 mm (Autor: Doug) -
Metastibnite on Stibnite
Mina Pereta, Pereta, Magliano in Toscana, Provincia Grosseto, Toscana, Italia
12 x 5 cm (Autor: Sante Celiberti) -
Metastibnite, Quartz
Mina Pereta, Pereta, Magliano in Toscana, Provincia Grosseto, Toscana, Italia
80 x 70 mm (Autor: Sante Celiberti) -
Metastibnite
Steamboat Hot Springs, Steamboat, Distrito Steamboat Springs, Condado Washoe, Nevada, USA
FOV = 3.4 mm (Autor: Doug) -
Metastibnite
Mina Pereta, Pereta, Magliano in Toscana, Provincia Grosseto, Toscana, Italia
202 x 5,6 mm (Autor: Sante Celiberti) -
Metastibnite
Mina Pereta, Pereta, Magliano in Toscana, Provincia Grosseto, Toscana, Italia
21 x 1,5 cm (Autor: Sante Celiberti) -
Metatorbernite
Musonoi Extension, Kolwezi, Katanga Prov., DR Congo
5.0 x 9.0 cm
Emerald-green bladed crystals of metatorbernite covering a gray matrix. (Author: crosstimber)
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Metatorbernite and Soddyite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 6.0 mm (Autor: ploum) -
Metatorbernite
Mina Senhora da Assunção, Aldeia Nova, Ferreira de Aves, Sátão, Distrito Viseu, Portugal
FOV 5 mm (Autor: Cesar M. Salvan) -
Metatorbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 3.0 mm (Autor: ploum) -
Metatorbernite
Mina Margabal, Entraygues-sur-Truyère, Lot et Truyère, Rodez, Aveyron, Occitanie, Francia
1.8 x 1.8 cm (Autor: crosstimber) -
Metatorbernite
Mina Musonoi, Kolwezi, Distrito Kolwezi, Lualaba, Cinturón de cobre de Katanga, Katanga (Shaba), República Democrática del Congo (Zaire)
fov 4.0 mm (Autor: ploum) -
Metatorbernite
Calo, Vimianzo, Comarca Terra de Soneira, La Coruña / A Coruña, Galicia / Galiza, España
2.8 x 3.0 x 5.0 cm. (Autor: Michael Shaw) -
Metatyuyamunite
Mina Monument No. 2, Monument Valley, Reserva Indios Navajo, Condado Apache, Arizona, USA
FOV = 1.7 mm (Autor: Doug) -
Metatyuyamunite
Mina Monument No. 2, Monument Valley, Reserva Indios Navajo, Condado Apache, Arizona, USA
FOV = 3.5 mm (Autor: Doug) -
Metavariscite
Concesión Utahlite, Utahlite Hill, Lucin, Distrito Lucin, Pilot Range, Utah, USA
fov 3 mm (Autor: ploum) -
Metavariscite
Concesión Utahlite, Utahlite Hill, Lucin, Distrito Lucin, Pilot Range, Utah, USA
fov 2.2 mm (Autor: ploum) -
Metazeunerite Xls on Creedite Xls
Guizhou, China
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Jordi Fabre)
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Metazeunerite Xls on Creedite Xls
Guizhou, China
Specimen: William Pinch Collection
Photo: Jeff Scovil & The RRUFF Project (Author: Pinch Bill)
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Meurigite-K
Mina Silver Coin, Valmy, Distrito Iron Point, Condado Humboldt, Nevada, USA
FOV = 1.2 mm (Autor: Doug) -
Meurigite-K
Mina Chino, Santa Rita, Distrito Santa Rita, Condado Grant, New Mexico, USA
FOV = 2.0 mm (Autor: Doug) -
Mexiko.JPG (Author: Tobi)
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Meyerhofferite
Mt. Blanco Mine, Death Valley, Furnace Creek District, Inyo Co., California
5.1 x 6.0 cm.
Colorless lathlike crystals of a somewhat rare borate from the type locality for the species. (Author: crosstimber)
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Meyerhofferite after Inyoite
Cañón Twenty Mule Team, Distrito Furnace Creek, Valle de la Muerte, Condado Inyo, California, USA
3.2 x 3.1 x 3.0 cm (Autor: Michael Shaw) -
Meyerhofferite
Bigadiç, Provincia Balıkesir, Región Marmara, Turquía
13,5 x 10,5 cm (Autor: Sante Celiberti) -
Meyerhofferite
Bigadiç, Provincia Balıkesir, Región Marmara, Turquía
13,5 x 10,5 cm (Autor: Sante Celiberti) -
Miargyrite
Hecla Rosebud Mine, Rosebud District, Sulphur, Pershing County, Nevada, USA
10.0 x 9.1 x 4.0 cm (Author: GneissWare)
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Miargyrite
San Jose mine, San Jose del Progreso, Oaxaca, Mexico
FOV 1 cm. (Author: Cesar M. Salvan)
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Miargyrite
Túnel Silver, Finca Van Silver, Arroyo Brandywine, Vancouver Mining Division, Isla de Vancouver, Columbia Británica, Canadá
FOV = 1.3 mm (Autor: Doug) -
Miargyrite
Mina Casualidad, Cordillera de los Picachos, Baños de Sierra Alhamilla, Pechina, Comarca Metropolitana de Almería, Almería, Andalucía, España
FOV 6,5 mm (Autor: Rewitzer Christian) -
Mica
Oh Saung Taung, Le-Oo (Le U), W of Mogok, Burma.
23 mm crystals in 5 cm calcite matrix.
Green mica. (Author: Ru Smith)
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Mica var Biotite
Bear Lake Diggings, Gooderham, Haliburton County, Ontario, Canada
8.7 x 8.0 cm (Author: Don Lum)
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Mica.
Bin Yee Htweet Mine, E of Mogok, Burma.
9 mm (Author: Ru Smith)
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Mica. (Author: Pierre Joubert)
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Mica
Kameoka, Prefectura Kyoto, Región Kinki, Isla Honshu, Japón
5.5 x 3.7 cm (Autor: am mizunaka) -
Micheelsenite
Cantera Poudrette, Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canadá
FOV = 2.0 mm (Autor: Doug) -
Michells Pass, about 2 km from Ceres. (Author: Pierre Joubert)
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Microcline
Isle of Arran, Scotland, UK
50mm x 21mm x 18mm crystal
Same specimen as above (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
50mm x 21mm x 18mm crystal
Microcline feldspar crystal free-standing on a small piece of matrix. Self-collected. (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
73mm x 20mm x17mm
Same specimen as above (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
73mm x 20mm x17mm
A more elongated, single crystal (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
50mm x 40mm x 32mm
Same specimen as above (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
50mm x 40mm x 32mm
Same specimen as above (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
50mm x 40mm x 32mm
Two intergrown microcline crystals with a small remnant of smoky quartz near the base.
Self-collected. (Author: Mike Wood)
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Microcline
Isle of Arran, Scotland, UK
61mm x 50mm x 48mm
Same specimen as above (Author: Mike Wood)
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