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Minerals

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Snow-white crystal crusts of nishanbaevite crystals with bright green euchlorine, bluish �ne-grained lammerite, iron-black hematite and colourless, transparent langbeinite overgrowing reddish-brown basalt scoria altered by fumarolic gas. FOV width: 4.4 mm. Photo: I.V. Pekov & A.V. Kasatkin Mineral

Nishanbaevite

nishanbaevite

Formula
KAl2O(AsO4)(SO4)
Mineral

Nisnite

nisnite

Formula
Ni3Sn
Nissonite Locality: Iron Monarch open cut, Iron Knob, Middleback Range, Eyre peninsula, South Australia, Australia (Locality at mindat.org) Field of view 4 mm. Specimen and photo Leon Hupperichs. My thanks to Volker Hoppe for this exchange specimen. Mineral

Nissonite

nissonite

Formula
Cu2Mg2(PO4)2(OH)2·5H2O
Nitratine Locality: La Penma, Antofagasta Region, Chile Original description: An 8.1 by 6.1 cms mass small white crystals covered by a light brown clay. The location is given as La Penma, Antofagasta, which is not in Mindat's database. JSS specimen and photo. Mineral

Nitratine

nitratine

Formula
NaNO3
A yellow crystal group of the rare mineral of simple chemistry niter, KNO3, from Arkansas (USA). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Nitre

nitre

Formula
KNO3
Outstanding colorless crystal of the rare mineral nitrobarite in a contrastring matrix. From: Maria Weitschach, Hüttenberg, Carinthia, Austria. Nitrobarite has only been found in 4 localities worldwide. Mineral

Nitrobarite

nitrobarite

Formula
Ba(NO3)2
Self-collected tri-color nitrocalcite specimen. Collection of Dennis Tryon. Locality: Gila River, Winkelman area, Gila & Pinal Cos., Arizona, USA Dimensions: 5 cm x 2.5 cm x 2 cm. Mineral

Nitrocalcite

nitrocalcite

Formula
Ca(NO3)2·4H2O
A nice single brown crystal aggregate of the very rare Mg nitrate mineral nitromagnesite from a locality in France: Baume-les-Messieurs, Jura, Bourgogne-Franche-Comté, France. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Nitromagnesite

nitromagnesite

Formula
Mg(NO3)2·6H2O
Mineral

Nitroplumbite

nitroplumbite

Formula
[Pb4(OH)4](NO3)4
Mineral

Nitscheite

nitscheite
Niveolanite, Aegirine, Natrolite Locality: Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH), Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada The niveolanite tufts span ~ 2 cm total. Ex Jean-Pierre Beckerich. MOB coll. This is "classic" snow white niveolanite. Compare with http://www.mindat.org/photo-164748.html The rest of the white stuff is mostly stubby natrolite prisms but there are some franconite balls mixed in. (The matrix is white microcline.) Stereo child photo. Updated July 2012 using a dark background Mineral

Niveolanite

niveolanite

Formula
NaBe(CO3)(OH)·2H2O
Mineral

Nixonite

nixonite

Formula
Na2Ti6O13
Mineral

Nizamoffite

nizamoffite

Formula
Mn²⁺Zn2(PO4)2(H2O)4
Nobleite. Collected by Robert Herod, 1988, from Death Valley, Inyo County, California. Mineral collection of Bringham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. BYU index 2-2082, CaB_6O_9(OH)_2 x 3(H_2O). Mineral

Nobleite

nobleite

Formula
CaB6O9(OH)2·3H2O
Mineral

Noelbensonite

noelbensonite

Formula
BaMn³⁺2(Si2O7)(OH)2·(H2O)
Vanadium and vanadium-bearing minerals in the Bragino massive sulfide ores: (a–d) Fe-V oxides; (e,f) Ti-V oxides; (g,h) Sc-V-bearing crichtonite group minerals (a–i), secondary electron and back-scattered electron images, respectively; Ab, albite; Byr, byrudite; Chl, chlorite; Cou, coulsonite; Cri, cricthonite group minerals; Fbr, ferberite; Ilm, ilmenite; Kyz, kyzylkumite; Ms, muscovite; Mol, molybdenite; Nol, nolanite; Po, pyrrhotite; Py, pyrite; Qz, quartz; Rt, rutile; Sd, siderite; Sen, senaite; Sp, sphalerite). The image is published in an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Mineral

Nolanite

nolanite

Formula
V³⁺8Fe³⁺2O14(OH)2
Nollmotzite, Quartz, Fluorite Locality: Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany Original description: Nollmotzite crystals with typical chisel-like terminations in quartz–fluorite gangue. Field of view ca 1.2 mm across. Photo by M. Noller. Image obtained from the type description: J. Plášil, A. R. Kampf, R. Škoda und J. Čejka (2018) Nollmotzite, Mg[UV(UVIO2)2O4F3]·4H2O, the first natural uranium oxide containing fluorine. Acta Crystallographica B74, 372–369. DOI:10.1107/S2052520618007321. That paper is open-access, identical to the Creative Commons Attribution (CC-BY) Licence. Mineral

Nollmotzite

nollmotzite

Formula
Mg[U5+(U6+O2)2O4F3]*4H2O
Mineral

Nolzeite

nolzeite

Formula
NaMn2[Si3BO9](OH)2·2H2O
Mineraly.sk - nontronit Mineral

Nontronite

nontronite

Formula
Na0.3Fe2((Si,Al)4O10)(OH)2 * nH2O
Mineral

Noonkanbahite

noonkanbahite

Formula
NaKBaTi2(Si4O12)O2
Norbergite, Calcite Locality: Oakssaung Hill, Mogok, Sagaing District, Mandalay Division, Burma (Myanmar) (Locality at mindat.org) Size: 4.2 x 3.3 x 2.3 cm. Norbergite is a rare magnesium silicate. Three gemmy and lustrous, orange-yellow norbergite crystals to 1.5 cm are frozen in a cleavage fragment of gray calcite on this rare specimen from Mogok, Burma. Very seldom available in crystals this size and gemminess. Found in 2003-2004. Mineral

Norbergite

norbergite

Formula
Mg3SiO4F2
White masses of nordenskiöldine associated with green masses of danburite. From MW Claim, Screw Creek, Cassiar Mountains, Watson Lake, Yukon, Canada. Ex. Erich Laskowski collection Mineral

Nordenskiöldine

nordenskiöldine

Formula
CaSn⁴⁺(BO3)2
White fibrous spheres of nordgauite and yellow crystals of rittmannite. Ex Jürgen Kastning collection. From: Silbergrube, Waidhaus, Neustadt an der Waldnaab, Upper Palatinate, Bavaria, Germany. Mineral

Nordgauite

nordgauite

Formula
MnAl2(PO4)2(F,OH)2·5.5H2O
Mineral

Nordite-(Ce)

nordite-(Ce)

Formula
(Ce,La)(Sr,Ca)Na2(Na,Mn)(Zn,Mg)Si6O17