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Nickelalumite: (Ni,Cu)Al4[(SO4),(NO3)2](OH)12·3(H2O)
Comments: Aggregates of blue neckelaluminite spherulites on matrix. Location: Jomde mine, San Juan County, Utah, USA. Scale: See Image. © Rruff Database
Nickelaustinite: Ca(Ni,Zn)(AsO4)(OH)
Comments: Stellate aggregate of acicular nickelaustinite crystals associated with rhombohedral dolomite crystals. (CanMin, v25:401). Location: Bou Azzer, Anti-Atlas Mountains, Morocco. Scale: Scale Bar 100 µm. © Canadian Mineralogist
Nickelboussingaultite: (NH4)2(Ni,Mg)(SO4)2·6(H2O)
Comments: Fragment of sulfide (pyrite) matrix with microcoating of nickelboussingaultite in a gelatin capsule. Location: Noril'sk, Putoran Plateau, Taimyr Peninsula, Siberia, Russia. Scale: Capsule Size 20 mm. © John Betts - Fine Minerals
Nickelhexahydrite: (Ni,Mg,Fe++)(SO4)·6(H2O)
Comments: Pale greenish crust of ferroan nickelhexahydrite. Location: Sohland, Bautzen, Oberlausitz, Saxony, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Nickeline: NiAs
Comments: Stubby, crude blocky crystals of nickeline. Location: Gowaganda, Ontario, Canada. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Nickellotharmeyerite: Ca(Ni,Fe,Co)2(AsO4)2(OH,H2O)2
Comments: Brown, microcrystalline nickellotharmeyerite. Location: Pucher Shaft, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 1.5 mm. © Thomas Witzke / Abraxas-Verlag
Nickelphosphide: (Ni,Fe)3P Kamacite: alpha-(Fe,Ni)
Comments: Small inclusion of nickelphosphide in massive kamacite. Location: Kenton County meteorite, Kenton Co., Kentucky, USA. Scale: Picture size 0.09 mm. © Thomas Witzke / Abraxas-Verlag
Nickelphosphide: (Ni,Fe)3P Melliniite: (Ni,Fe)4P
Comments: Reflected light image of creamy-yellowish melliniite (1) and nickelphosphide (3). AmMin, v91, p453. Location: Northwest Africa 1054 acapulcoite. Scale: See Image. © American Mineralogist
Nickelschneebergite: Bi(Ni,Co)2(AsO4)2(OH,H2O)2
Comments: Small crystals of nickelschneebergite. Location: Roter Berg, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany. Scale: Picture size 2 mm. © Thomas Witzke / Abraxas-Verlag
Nickelskutterudite: (Ni,Co)As3-x
Comments: Gray, blocky crystals of nickel-skutterudite (chloanthite) with minor yellow pyrite. Location: Gowganda, Ontario, Canada. Scale: Crystal size 3 mm. © Tom Loomis / Dakota Matrix
Nickelskutterudite: (Ni,Co)As3-x Dienerite: Ni3As
Comments: Aggregate of silver-gray nickelskutterudite cubes, some tarnished to a brassy color. Dienerite is now considered to be nickelskutterudite. Location: Hasserode, Harz, Germany. Scale: See Image. © Rruff Database
Nickelzippeite: Ni++2(UO2)6(SO4)3(OH)10·16(H2O)
Comments: Yellow crust of nickel-zippeite on matrix. Location: Ronneburg U deposit, Gera district, Thuringia, Germany. Scale: Picture size 4 mm. © Thomas Witzke / Abraxas-Verlag
Nickenichite: Na0,8Ca0,4(Mg,Fe+++,Al)3Cu0,4(AsO4)3
Comments: Blue crystals of nickenichite on matrix. Location: Nickenich, near Kruft, Eifel Mts, Rhineland-Palatinate, Germany. Scale: Picture size 2 mm. © Thomas Witzke / Abraxas-Verlag
Nielsenite: PdCu3
Comments: BSE images of nielsenite (nls), skaergaardite (sk), chalcocite + bornite (cc + bn), bornite (bn) and chalcocite (cc) in non-magnetic ore concentrates.. Location: Skaergaard Intrusion, Greenland.. Scale: See Images. © Canadian Mineralogist
Nifontovite: Ca3B6O6(OH)12·2(H2O)
Comments: Transparent spray of nifontovite crystals. Location: Fuka Mine, Bicchu Town, Kawakama Co., Okayama Pref., Japan. Scale: Crystal size 2.3x0.7x0.5 cm. © John Veevaert
Niggliite: PtSn Insizwaite: Pt(Bi,Sb)2
Comments: B&W image of a polished section showing insizwaite grain (I) showing details of niggliite (N) inclusions and exsolved chalcopyrite (C) lamellae in the pentlandite (P). (MinMag, v38:299). Location: Insizwa deposit, Waterfall Gorge, Pondoland and East Griqualand areas (Transkei), South Africa. Scale: See Image. © Mineralogical Magazine
Nikischerite: NaFe++6Al3(SO4)2(OH)18(H2O)12
Comments: Yellowish green nikischerite on matrix. Location: Huanuni Mine, Dalence Province, Bolivia. Scale: Crystal size 5 mm. © Tom Loomis / Dakota Matrix
Comments: Tony Nikischer, Chairman of the Board of The Hudson Institute of Mineralogy, president of Excalibur Mineral Corporation, and the person whom nikischerite is named for, kindly provided the pronunciation of the mineral nikischerite. Location: Executive Inn hotel, Room 128, Tucson, Feburary 9, 2004. Scale: NA. © Dave Barthelmy
Niksergievite: [Ba,Ca)2(Al,Si)7O10(CO3)(OH)6·nH2O
Comments: Pale blue to colorless lamellar fragment of niksergievite. Location: Tekeli mine, Karatau, Kazakhstan. Scale: See Image. © Rruff Database
Nimite: (Ni,Mg,Fe++)5Al(Si3Al)O10(OH)8
Comments: Dark green nimite aggregates on white calcite. Location: Planalto, Rio Grande do Sol, Brazil. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species