Mineral Specimen Images (N)

Namibite: Cu++Bi2(VO4)O2

Comments: Dark green crystals of namibite on matrix.
Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.3 mm.
© Thomas Witzke / Abraxas-Verlag

Namuwite: (Zn,Cu)4(SO4)(OH)6·4(H2O)

Comments: Sky-blue, platy crystals of namuwite on matrix.
Location: Gelbe Birke Mine, Schwarzenberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Nanpingite: Cs(Al,Mg,Fe++,Li)2(Si3Al)O10(OH,F)2  
Lepidolite: K(Li,Al)3(Si,Al)4O10(F,OH)2

Comments: Hexagonal tabular crystals of pearly colourless lepidolite within massive white pollucite from unknown rare metal pegmatite. Nanpingite forms the outer zones of these lepidolite crystals (~30-150 µm).
Location: China. Scale: Specimen size is 3.5x3x2 cm.
© Pavel M. Kartashov

Narsarsukite: Na2(Ti,Fe+++)Si4(O,F)11

Comments: Narsarsukite crystal in matrix.
Location: Mont Saint-Hilaire, Quebec, Canada. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nasonite: Pb6Ca4Si6O21Cl2  
Epidote-(Pb): (Ca,Pb,Sr)2(Al,Fe+++)3(SiO4)(Si2O7)O(OH)

Comments: Colorless, transparent hexagonal prism of nasonite on reddish brown hancockite (epidote-(Pb)).
Location: Franklin, Sussex County, New Jersey, USA. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Nastrophite: Na(Sr,Ba)(PO4)·9(H2O)

Comments: Glassy to chalky crystalline nastrophite fragment.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natanite: Fe++Sn++++(OH)6

Comments: Reddish brown crystal of natanite on matrix.
Location: Potosi mine, Santa Eulalia, Chihuahua, Mexico. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Natisite: Na2(TiO)SiO4

Comments: Yellow-greenish crystals of natisite in matrix.
Location: Mt. Karnasurt, Lovozero, Kola, Russia. Scale: Picture size 1 cm.
© Diederik Visser

Natrite: Na2CO3

Comments: White opaque massive natrite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natroalunite: NaAl3(SO4)2(OH)6

Comments: Pure white porcelaneous massive natroalunite.
Location: Sugarloaf Butte, Quartzite, La Paz County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrobistantite: (Na,Cs)Bi(Ta,Nb,Sb)4O12

Comments: Bluish-green fragments of natrobistantite embedded in epoxy, co-type material.
Location: Kyoktogai pegmatite field, Altai, Xinjinag Province, China. Scale: See Image.
© Rruff Database

Natroboltwoodite: (H3O)(Na,K)(UO2)SiO4·(H2O)

Comments: Pale yellow, massive, waxy natroboltwoodite.
Location: Alluaiv Mountain, Lovozero, Russia. Scale: See Image.
© Rruff Database

Natrochalcite: NaCu2(SO4)2(OH)·(H2O)  
Krohnkite: Na2Cu(SO4)2·2(H2O)

Comments: Royal blue kröhnkite and green natrochalcite.
Location: Chiquicamata, Chile. Scale: 3.5 x 2 cm.
© John Veevaert

Natrochalcite: NaCu2(SO4)2(OH)·(H2O)

Comments: Green, transparent crystals of natrochalcite on dark green atacamite.
Location: Chuquicamata, Antofagasta, Chile. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

Natrodufrenite: Na(Fe+++,Fe++)(Fe+++,Al)5(PO4)4(OH)6·2(H2O)

Comments: Greenish gray, botryoidal aggregates natrodufrenite on hematite-stained quartz.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Natrojarosite: NaFe+++3(SO4)2(OH)6

Comments: Yellow brown natrojarosite crystals.
Location: Kamareza Mine, Laurium, Attiki, Greece. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrolemoynite: Na4Zr2Si10O26·9(H2O)

Comments: Radiating spray of tan natrolemoynite crystals, with brown coating, with white albite.
Location: Mont Saint Hilaire, Quebec, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrolite: Na2[Al2Si3O10]·2(H2O)  
Eudialyte: Na4(Ca,Ce)2(Fe++,Mn,Y)ZrSi8O22(OH,Cl)2 (?)

Comments: Druse of gemmy, red eudialyte crystals to 1 mm on white natrolite.
Location: Mt. St. Hilaire, Quebec, Canada. Scale: Picture size 1.5 cm.
© John Veevaert

Natrolite: Na2[Al2Si3O10]·2(H2O)

Comments: Transparent prismatic crystals of natrolite.
Location: Usti (Aussig), Bohemia, Czech Republic. Scale: Not Given.
© Lou Perloff / Photo Atlas of Minerals

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

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