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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