Mineral Specimen Images (N)

Mineral Specimen Images (N)
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Mineral Specimen Images (N) With 278 Images

Nenadkevichite Image

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Nenadkevichite: (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)·2(H2O)

Comments: Pinkish crystal of nenadkevichite on matrix.
Location: Monte St. Hilaire, Quebec, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nenadkevichite Image

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Nenadkevichite: (Na,Ca,K)(Nb,Ti)Si2O6(O,OH)·2(H2O)

Comments: Pinkish crystal of nenadkevichite on matrix.
Location: Monte St. Hilaire, Quebec, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Neotocite Image

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Neotocite: (Mn,Fe++)SiO3·(H2O) (?)

Comments: Dark brown resinous massive neotocite.
Location: Buzzarla Mine, San Luis Obispo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Neotocite Image

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Neotocite: (Mn,Fe++)SiO3·(H2O) (?)

Comments: Dark brown resinous massive neotocite.
Location: Buzzarla Mine, San Luis Obispo County, California, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nepheline Image

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Nepheline: (Na,K)AlSiO4

Comments: Stubby, hexagonal prism of Nepheline in matrix.
Location: Point of Rocks Mesa, Colfax County, New Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nepheline Image

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Nepheline: (Na,K)AlSiO4

Comments: Stubby, hexagonal prism of Nepheline in matrix.
Location: Point of Rocks Mesa, Colfax County, New Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nepouite Image

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Nepouite: Ni3Si2O5(OH)4

Comments: Massive, green népouite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Nepouite Image

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Nepouite: Ni3Si2O5(OH)4

Comments: Massive, green népouite.
Location: Callenberg North (no. 2) open cut, Callenberg, Glauchau, Saxony, Germany. Scale: Specimen size 4 cm.
© Thomas Witzke / Abraxas-Verlag

Nepskoeite Image

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Nepskoeite: Mg4Cl(OH)7·6(H2O)

Comments: Cream-colored nodules of nepskoeite recovered from potash ore preserved in glass tube 1.5 cm long.
Location: Nepskoe Deposit, Irkutsk District, Siberia, Russia. Scale: Nodule Size 0.1 mm.
© Diederik Visser

Nepskoeite Image

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Nepskoeite: Mg4Cl(OH)7·6(H2O)

Comments: Cream-colored nodules of nepskoeite recovered from potash ore preserved in glass tube 1.5 cm long.
Location: Nepskoe Deposit, Irkutsk District, Siberia, Russia. Scale: Nodule Size 0.1 mm.
© Diederik Visser

Neptunite Image

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Neptunite: KNa2Li(Fe++,Mn)2Ti2Si8O24  
Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Jet-black square prisms of neptunite etched out of the enclosing white natrolite with minor benitoite.
Location: Benitoite Gem Mine. San Benito Co. California, USA. Scale: 6.5 x 6 cm.
© Fabre Minerals

Neptunite Image

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Neptunite: KNa2Li(Fe++,Mn)2Ti2Si8O24  
Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Jet-black square prisms of neptunite etched out of the enclosing white natrolite with minor benitoite.
Location: Benitoite Gem Mine. San Benito Co. California, USA. Scale: 6.5 x 6 cm.
© Fabre Minerals

Neskevaaraite-Fe Image

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Neskevaaraite-Fe: NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6(H2O)

Comments: Aggregate of brown neskevaaraite-Fe crystals.
Location: Neskevaara Hill, Vuoriyarvi Massif, N.Karelia, Russia. Scale: Specimen Length 5 mm.
© Sergey Vasiliev / Systematic Mineralogy

Neskevaaraite-Fe Image

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Neskevaaraite-Fe: NaK3Fe(Ti,Nb)4(Si4O12)2(O,OH)4·6(H2O)

Comments: Aggregate of brown neskevaaraite-Fe crystals.
Location: Neskevaara Hill, Vuoriyarvi Massif, N.Karelia, Russia. Scale: Specimen Length 5 mm.
© Sergey Vasiliev / Systematic Mineralogy

Nesquehonite Image

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Nesquehonite: Mg(HCO3)(OH)·2(H2O)

Comments: Scanning electron micrographs of nesquehonite clusters showing the typical elongated habit. (AmMin, 88:1882).
Location: Crystals associated with the remains of a saguaro, Carnegiea gigantea from south and west central Arizona. Scale: Scale Bar 50 µ-m (lower left).
© American Mineralogist

Nesquehonite Image

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Nesquehonite: Mg(HCO3)(OH)·2(H2O)

Comments: Scanning electron micrographs of nesquehonite clusters showing the typical elongated habit. (AmMin, 88:1882).
Location: Crystals associated with the remains of a saguaro, Carnegiea gigantea from south and west central Arizona. Scale: Scale Bar 50 µ-m (lower left).
© American Mineralogist

Neustadtelite Image

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Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Scanning electron microscope micrograph of neustadtelite. (AmMin 87:728).
Location: Mine dumps of the Güldener Falk mine near Schneeberg-Neustädtel, Saxony, Germany. Scale: Scale Bar 15 µm.
© American Mineralogist

Neustadtelite Image

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Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Small brown crystals of neustadtelite in matrix.
Location: Sauschwart mine, Schneeberg, Erzgebirge, Saxony, Germany. Scale: Picture Size 1.5 mm.
© Thomas Witzke

Neustadtelite Image

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Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Small brown crystals of neustadtelite in matrix.
Location: Sauschwart mine, Schneeberg, Erzgebirge, Saxony, Germany. Scale: Picture Size 1.5 mm.
© Thomas Witzke

Neustadtelite Image

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Neustadtelite: Bi2Fe+++(Fe+++,Co)(O,OH)2(OH)2(AsO4)2

Comments: Scanning electron microscope micrograph of neustadtelite. (AmMin 87:728).
Location: Mine dumps of the Güldener Falk mine near Schneeberg-Neustädtel, Saxony, Germany. Scale: Scale Bar 15 µm.
© American Mineralogist
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