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Weinrich Minerals, A Dealer in Fine Mineral Specimens - Since 1989. We buy collections and single high quality specimens.

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John Betts - Fine Minerals, New York. Dealers of Fine Minerals and Natural Crystal Clusters since 1989. We buy rock collections, we buy gem collections, we buy mineral collections.

For more than thirty (30) years, Excalibur Mineral Corp. has been providing private collectors, researchers, major universities and museums throughout the world with reliably identified, rare and unusual mineral samples for science an

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's Image Gallery With 4041 Images

Natrojarosite Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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 Image

Images:

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

Natrolite Image

Images:

Natrolite: Na2[Al2Si3O10]·2(H2O)
Serandite: Na(Mn++,Ca)2Si3O8(OH)
Analcime: NaAlSi2O6·(H2O)

Comments: Orange-red, blocky serandite with white, blocky natrolite and white, equant grains of analcime.
Location: Mt. St. Hilaire, Canada. Scale: 4 x 3 cm.
© Fabre Minerals

Natromontebrasite Image

Images:

Natromontebrasite: (Na,Li)Al(PO4)(OH,F)

Comments: Pale tan to orange natromontebrasite cleavages in quartz.
Location: Mica Load, Canon City, Fremont County, Colorado, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natron Image

Images:

Natron: Na2CO3·10(H2O)

Comments: Opaque white powdery massive natron.
Location: Atlin, British Columbia, Canada. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natronambulite Image

Images:

Natronambulite: (Na,Li)Mn++4[Si5O14(OH)]

Comments: Thin section image of natronamulite (Nn) in assocation with aegirine (Ac), arfvedsonite (Am) and quartz (Q). (JMPS, v12:332).
Location: Tanohata mine, Iwate Prefecture, Japan. Scale: Picture Size 1.9 x 1.5 mm.
© Mineralogical Journal

Natroniobite Image

Images:

Natroniobite: NaNbO3

Comments: Olive-green colored translucent crystalline natroniobite fragments.
Location: Lesnaya Varaka Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrophilite Image

Images:

Natrophilite: NaMnPO4

Comments: Natrophilite with lithiophilite.
Location: Abija N. Fillow Quarry (Branchville Quarry), Branchville, Redding, Fairfield Co., Connecticut, USA. Scale: Specimen Size 3.7 x 2.2 x 1.9 cm.
© Rob Lavinsky

Natrophosphate Image

Images:

Natrophosphate: Na7(PO4)2F·19(H2O)

Comments: Specimen of natrophosphate sealed into a plastic box.
Location: Koashva Mt., Khibiny Massif, Kola Peninsula, Russia. Scale: Specimen Size 2x1.5x1 cm.
© Sergey Vasiliev / Systematic Mineralogy

Natrosilite Image

Images:

Natrosilite: Na2Si2O5

Comments: Colorless, clear to translucent crystalline natrosilite fragment, found in pale pink ussingite.
Location: Lovozero Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrotantite Image

Images:

Natrotantite: Na2Ta4O11

Comments: BSE image of ferrotapiolite (1), natrotantite (2) and simsonite (3).
Location: Alto Cajazeiras, south of Junro do Serido, Paraibo, Brazil. Scale: See Image.
© Diederik Visser

Natroxalate Image

Images:

Natroxalate: Na2C2O4

Comments: Colorless transparent crystalline natroxalate fragment.
Location: Mount Kukisvumchorr, Khibiny Massif, Kola Peninsula, Murmansk District, Russia. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Natrozippeite Image

Images:

Natrozippeite: Na4(UO2)6(SO4)3(OH)10·4(H2O)

Comments: Yellow encrustations of sodium-zippeite on matrix.
Location: Kovagoszolos, Mecsek Mts., Pecs Co., Hungary. Scale: Picture size 0.5 cm.
© Paul M. Schumacher

Naujakasite Image

Images:

Naujakasite: Na6(Fe++,Mn)Al4Si8O26
Villiaumite: NaF

Comments: Greenish-gray crystals of naujakasite with red villiaumite.
Location: Narsaq river, Kvanefjeld Mt., Ilímaussaq massif, Greenland. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Naumannite Image

Images:

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

Navajoite Image

Images:

Navajoite: V2O5·3(H2O)

Comments: Purple-brown adamantine navajoite coatings on conglomerate.
Location: Monument #2 Mine, Monument Valley, Apache County, Arizona, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Nchwaningite Image

Images:

Nchwaningite: Mn++2SiO3(OH)2·(H2O)

Comments: SEM image of acicular, platy nchwaningite crystals. (AmMin, v80:377).
Location: N'chwaning mine, Kalahari manganesefi eld, South Africa. Scale: See Image.
© American Mineralogist

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