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Minerals

6323 results

Mineral

Mössbauerite

mössbauerite

Formula
Fe³⁺6O4(OH)8(CO3)·3H2O
Outstanding prismatic crystal of the very rare Ni Cu Bi sulphide mineral muckeite from the type and only known locality worldwide, the Grune Au mine (=Gruneau mine), Germany, and associated to hairy golden millerite. Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Mückeite

mückeite

Formula
CuNiBiS3
Mineral

Müllerite

müllerite

Formula
Pb2Fe³⁺(Te⁶⁺O6)Cl
Mineral

Naalasite

naalasite

Formula
NaAl(AsO3OH)2·H2O
Mineral

Nabalamprophyllite

nabalamprophyllite

Formula
(BaNa)Ti2Na3Ti(Si2O7)2O2(OH)2
White crystal aggregates of the extremely rare mineral nabaphite from the type and only known locality worldwide in Khibiny: Material'naya Adit, Yukspor Mountain, Murmansk Oblast, Russian Federation. Ex Vandenbroucke Museum collection specimen, from Waregem, Belgium. Mineral

Nabaphite

nabaphite

Formula
NaBaPO4 * 9H2O
Mineral

Nabateaite

nabateaite

Formula
Fe2P2O7
Mineral

Nabesite

nabesite

Formula
Na2BeSi4O10 * 4H2O
Dark red nabiasite crystals in a matrix of hausmannite from the famous Gambatesa mine in Italy. Ex. Erich Laskowski collection (USA). Mineral

Nabiasite

nabiasite

Formula
BaMn²⁺9(VO4,AsO4)6(OH)2
Mineral

Nabimusaite

nabimusaite

Formula
KCa12(SiO4)4(SO4)2O2F
Colour
colorlessness
Mineral

Nabokoite

nabokoite

Formula
KCu7(SO4)5(Te4+O3)OCl
A lot of outstanding white single crystals and groups of the rare mineral nacaphite from the type locality in Rasvumchorr (Khibiny, Kola, Russian Federation). Associated minerals following the old label of F.Bauer are: nefedovite and apatite. Mineral

Nacaphite

nacaphite

Formula
Na2Ca(PO4)F
White acicular crystals of the very rare Nb-REE mineral nacareniobsite-(Ce) from the type locality in Greenland (Kvanefjeld, Ilímaussaq, Narsaq, Kujalleq, Greenland). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Nacareniobsite-(Ce)

nacareniobsite-(Ce)

Formula
(Ca3REE)Na3Nb(Si2O7)2(OF)F2
Mineral

Nacareniobsite-(Nd)

nacareniobsite-(Nd)

Formula
Ca2(CaNd)Na3Nb(Si2O7)2(OF)F2
Mineral

Nacareniobsite-(Y)

nacareniobsite-(Y)

Formula
Na3Ca3YNb(Si2O7)2OF3
Nacrite Locality: „Frohe Hoffnung“-shaft, Wildental, ore mountains Exposed in the Mineralogical Museum of University Bonn, Germany Mineral

Nacrite

nacrite

Formula
Al2Si2O5(OH)4
Nadorite Locality: Djebel Nador, Constantine Province, Algeria (Locality at mindat.org) Size: 4.1 x 3.8 x 3.2 cm. This is an extremely rich specimen of nadorite crystals from the type and best locality for the species, with color and metallic lustre. The crystals reach 1 cm in size and although many are broken or show portions, also there are many good crystals mixed in and the overall richness is significant. I am told that most of these were found during the French expeditionary times of the late 1800s and early 1900s, by the French colonial geological exploratory bureau BRGM (and have seen some such labels turn up on the market with nadorites, time to time, which confirms this). TYPE LOCALITY and the only locality for superb larger crystals of this species. Mineral

Nadorite

nadorite

Formula
PbSb³⁺O2Cl
Mineral

Nafeasite

nafeasite
Nafertisite Locality: Nanna pegmatite, Narsaarsuup Qaava, Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland (Locality at mindat.org) An exceptionally rich specimen of this rare species with freestanding bronze crystals in close-packed, parallel growths. Actually not too ugly, either! 5.6 x 5.4 x 2.4 cm Mineral

Nafertisite

nafertisite

Formula
Na3Fe²⁺10Ti2(Si6O17)2O2(OH)6F(H2O)2
Greenish black microcrystals of nagashimalite in a small matrix of rhodonite from the TL in Japan (Mogurazawa Mine, Kiryuu City, Gunma Prefecture, Honshu Island, Japan). Ex Vandenbroucke Museum collection from Waregem, Belgium. Mineral

Nagashimalite

nagashimalite

Formula
Ba4(V³⁺,Ti)4(O,OH)2B2Si8O27Cl
Honey-brown nagelschmidtite. Mikhail Murashko specimen. Field of view 3 mm. From: Hatrurim Formation, Negev, Israel- Mineral

Nagelschmidtite

nagelschmidtite

Formula
Ca7(SiO4)2(PO4)2
Nagyágite, Rhodochrosite, Quartz, Sphalerite Locality: Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Hunedoara County, Romania (Locality at mindat.org) Size: 12.5 x 6.8 x 3 cm. Nagyagite is one of those old European rarities that are both mineralogically and historically interesting. This is a very large, rich plate with freestanding (unetched from calcite) crystals to 4mm of this very rare species, from its type locality, richly scattered over a matrix composed of sphalerite with decorative pale pink rhodochrosite accent. It is important that this has not been etched out from calcite as with so many nagyagite specimens, as that preparation method changes the natural patina on the surface of the crystals. These are rather robust, stubby crystals, nicely interspersed with rhodochrosite aggregates on ore matrix. Ex. Dr. Werner Paar Collection. Mineral

Nagyágite

nagyágite

Formula
[Pb(Pb,Sb)S2][(Au,Te)]
Mohs
1.5
Halite, Nahcolite Locality: Searles Lake, San Bernardino County, California, USA (Locality at mindat.org) Okay, halite is salt, but for one thing, it is just as legitimate a mineral as any other, even if you CAN eat it (not this though - it contains bacteria so dont lick it!). This batch of gorgeous halite specimens was mined recently in California, and they are REALLY distinctive. Look at the amazingly fine structure of the crystals and beautiful bright pink color! But more than that, they have this wonderful contrast with a uniquely new matrix covered with minute nahcolite . Bottom line: it is just a plain stunningly pretty mineral specimen from a recent find; I bought ALL OF THEM THAT WERE AVAILABLE from the one contact who brought them to a show this year in California. NOTE that they are sensitive to humidity. 9.3 x 7.0 x 4.9cm Mineral

Nahcolite

nahcolite

Formula
NaHCO3
Mohs
2.5
Mineral

Nahpoite

nahpoite

Formula
Na2HPO4