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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
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
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
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
Naumannite: Ag2Se
Comments: Black crystal of Naumannite in a quartz-lined vug. Location: DeLamar mine, DeLamar, Owyhee County, Idaho. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
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
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
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
Nickeline: NiAs
Comments: Stubby, crude blocky crystals of nickeline. Location: Gowaganda, Ontario, Canada. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals