Mineral Specimen Images (M)

Mineral Specimen Images (M)

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Mineral Thumbnail Images (M)

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Mineral Specimen Images (M) With 387 Images

Manganite Image

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Manganite: MnO(OH)

Comments: Lustrous feathery crystals of manganite to 0.75 cm.
Location: N'Chwaning Mine, Kalahari Manganese Field, Northern Cape Province, South Africa. Scale: 7.8 x 4.2 cm.
© John Veevaert

Manganite Image

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Manganite: MnO(OH)  
Sudoite: Mg2(Al,Fe+++)3Si3AlO10(OH)8

Comments: Pinkish to nearly white earthy sudoite with dark manganite.
Location: Ilfeld, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Manganite Image

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Manganite: MnO(OH)  
Vaterite: CaCO3  
Defernite: Ca6(CO3)2-x(SiO4)x(OH)7(Cl,OH)1-2x (x=0,5)

Comments: Opaque white fibrous vaterite with red defernite and black manganite.
Location: Kombat Mine, Otavi, Otjozondjupa, Namibia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganlotharmeyerite Image

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Manganlotharmeyerite: Ca(Mn+++,Mg,)2(AsO4)2(OH,H2O)2

Comments: Scanning electron micrograph of subparallel crystals of manganlotharmeyerite.
Location: Massive braunite ores at the Starlera Mn deposit in the Eastern Alps of Switzerland. Scale: See Picture.
© Canadian Mineralogist

Manganochromite Image

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Manganochromite: (Mn,Fe++)(Cr,V)2O4

Comments: B&W polished section image showing a somewhat irregular manganochromite grain (pale grey) lying between hexagonal pyrrhotite (white) and a large diopside crystal (grey).
Location: Nairne pyrite formation, (Shepard's Hill Quarry), Brukunga, 47km east of Adelaide, South Australia. (AmMin, v63:1166). Scale: FOV 450 µm.
© American Mineralogist

Manganocummingtonite Image

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Manganocummingtonite: Na(Na,Mn)2(Mg4,Fe+++)5Si8O22(OH)2

Comments: Dark green fibrous manganocummingtonite.
Location: Franklin, Sussex County, New Jersey, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganogrunerite Image

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Manganogrunerite: [ ]Mn2Fe++5Si8O22(OH)

Comments: Brown fibrous massive, iron stained manganogrunerite.
Location: Hallefors, Orebro, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganohornesite Image

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Manganohornesite: (Mn,Mg)3(AsO4)2ˇ8(H2O)

Comments: Micro, white, needles of manganese-hornesite to about 0.75mm on hausmannite-rich matrix.
Location: Langban, Varmland, Sweden. Scale: 5.5 x 4 x 2.5cm.
© Tom Loomis / Dakota Matrix

Manganokhomyakovite Image

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Manganokhomyakovite: Na12Sr3Ca6Mn3Zr3W(Si25O73)(O,OH,H2O)3(OH,Cl)2

Comments: Pseudo-octahedral Manganokhomyakovite crystals. (CanMin, v37:893).
Location: Mont Saint-Hilaire, Quebec, Canada. Scale: Crystal Size 0.51 mm.
© László Horváth / Canadian Mineralogist

Manganokukisvumite Image

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Manganokukisvumite: Na6MnTi4Si8O28ˇ4(H2O)

Comments: Scanning electron photomicrograph of manganokukisvumite. (CanMin, v 42 , p 782).
Location: Mont Saint-Hilaire, Quebec. Scale: See Image.
© Canadian Mineralogist

Manganoneptunite Image

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Manganoneptunite: KNa2Li(Mn,Fe++)2Ti2Si8O24

Comments: Dark brown crystal of mangan-neptunite on matrix.
Location: Kibblehouse quarry, Perkiomenville, Pennsylvania, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Manganoneptunite Image

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Manganoneptunite: KNa2Li(Mn,Fe++)2Ti2Si8O24  
Shkatulkalite: {(Na,Mn,Ca,[ ])4[Nb2(O,H2O)4Si4O14](OH,F)2}ˇ2(H2O,[ ])

Comments: Pearly white shkatulkalite with brown mangan-neptunite grains.
Location: Shkatulka pegmatite, Umbozero mine, Alluaiv Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia. Scale: Picture size 4.5 mm.
© Thomas Witzke / Abraxas-Verlag

Manganonordite-(Ce) Image

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Manganonordite-(Ce): Na3SrCeMn++Si6O17

Comments: Light brown radial aggregates of manganonordite-(Ce) in ussingite.
Location: Mt. Punkuruaiv, Lovozero, Kola Peninsula, Russia. Scale: Not Given.
© Diederik Visser

Manganosite Image

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Manganosite: MnO

Comments: Dark green manganosite in matrix.
Location: Nordmark, Filipstad, Värmland, Sweden. Scale: Picture size 3.5 mm.
© Thomas Witzke / Abraxas-Verlag

Manganotychite Image

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Manganotychite: Na6(Mn++,Fe++,Mg)2(SO4)(CO3)4  
Aegirine: NaFe+++Si2O6

Comments: Pale rose-tan granular manganotychite with black aegirine prism.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Manganvesuvianite Image

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Manganvesuvianite: Ca19Mn+++(Al,Mn+++,Fe+++)10(Mg,Mn++)2Si18O69(OH)9

Comments: Dark cherry red prismatic, crystals or manganvisuvianite to 2mm on matrix.
Location: N'Chwanning mine, Kalahari Mn Field, North Cape Province, South Africa. Scale: Picture size 5 mm.
© Tom Loomis / Dakota Matrix

Manjiroite Image

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Manjiroite: (Na,K)(Mn++++,Mn++)8O16ˇn(H2O)

Comments: Dark brownish black massive sample of manjiroite.
Location: Arizona, USA. Scale: 3.8 X 5.6 cm.
© John Veevaert

Mannardite Image

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Mannardite: BaTi6V+++2O16ˇ(H2O)

Comments: Prismatic crystals of black, metallic lustered mannardite crystals in matrix.
Location: Kechica River, British Columbia, Canada. Scale: 3.4 X 4.5 cm.
© John Veevaert

Mansfieldite Image

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Mansfieldite: AlAsO4ˇ2(H2O)

Comments: White, spherical aggregates of mansfieldite.
Location: Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d'Azur, France. Scale: Picture size 7 mm.
© Thomas Witzke / Abraxas-Verlag

Marcasite Image

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Marcasite: FeS2

Comments: Metallic, brassy-colored marcasite with minor translucent quartz and white dolomite.
Location: Panasqueira (3rd level), in the region of Beira Baixa, Portugal. Scale: 8 x 5.5 cm.
© Fabre Minerals

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