's Image Gallery

Nealite: Pb4Fe++(As+++++O4)2Cl4

Comments: Orange-yellow prismatic crystals of Nealite on matrix.
Location: Lavrion District slag localities, Attikí (Attica; Attika) Prefecture, Greece. Scale: Picture size 2 mm.
© Thomas Witzke / Abraxas-Verlag

Nealite-(H2O): Pb4Fe++(As+++O3)2Cl4·2(H2O)

Comments: Orange crystals of nealite-(H2O) on matrix.
Location: Laurium, Greece. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nechelyustovite: (Ba,Na)2{(Na,Ti,Mn)4[(Ti,Nb)2O2Si4O14](OH,O,F)2}·4.5H2O

Comments: Nechelyustovite aggregate.
Location: Kirovsky Mine, Kukisvumchorr Mt, Khibiny Massif, Kola Peninsula, Russia. Scale: Grid Size 1 mm.
© Sergey Vasiliev / Systematic Mineralogy

Neighborite: NaMgF3

Comments: Dark red-brown neighborite crystals in matrix.
Location: Mont St. Hilaire, Quebec, Canada. Scale: Crystal Size 1-2 mm.
© Diederik Visser

Nekoite: Ca3Si6O15·7(H2O)

Comments: Sprays of translucent acicular nekoite crystals.
Location: Iron Cap Mine, Graham County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Neltnerite: CaMn+++6SiO12

Comments: Black neltnerite microcrystals lining vugs.
Location: Manganese Creek, Keeweenaw County, Michigan, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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: (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: (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: 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: 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: 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: 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: 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: 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: 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

Nevadaite: (Cu++,[ ],Al,V+++)6[Al8(PO4)8F8] (H2O)23

Comments: Robin's egg blue radiating acicular sprays of nevadaite to about 0.3 mm.
Location: Gold Quarry mine, Eureka Co., Nevada, USA. Scale: Picture size 2 cm.
© Tom Loomis / Dakota Matrix

Nevskite: Bi(Se,S)  
Ingodite: Bi(S,Te)  
Telluronevskite: Bi3TeSe2

Comments: Intergrown metallic grains of ingodite, telluronevskite, and nevskiite.
Location: Poruba pod Vihorlatom, Vihorlat Mountains, Kosice Slovak Republic. Scale: Specimen Size 2.8 × 1.7 × 1 cm.
© Fabre Minerals

Newberyite: Mg(PO3OH)·3(H2O)  
Dittmarite: (NH4)Mg(PO4)·(H2O)

Comments: Translucent crystalline dittmaritewith more opaque newberyite.
Location: Skipton Caves, Victoria, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Newberyite: Mg(PO3OH)·3(H2O)  
Hannayite: (NH4)2Mg3H4(PO4)4·8(H2O)

Comments: Translucent white prismatic crystals of hannayite on brown newberyite.
Location: Skipton Caves, Victoria, Australia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species