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Neighborite

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Big Photo

Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry; Carrière Mont Saint-Hilaire), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada
© 2004 JBS

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Formula:
NaMgF
 
3
System:OrthorhombicColour:Colorless, cream, pink, ...
Hardness:4½
Name:For Frank Neighbor, Sun Oil Co. geologist, Salt Lake City Utah
This page provides mineralogical data about Neighborite.

Classification of Neighborite

IMA status:Approved
Strunz 8th edition ID:3/C.03-70
Nickel-Strunz 10th (pending) edition ID:3.AA.35

3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
Dana 8th edition ID:11.1.1.1

11 : HALIDE COMPLEXES
1 : AmBX3
Hey's CIM Ref.:8.4.2

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
4 : Halides of the alkaline earths and Mg
mindat.org URL:http://www.mindat.org/min-2871.html
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Type Occurrence of Neighborite

Type Locality:Sun Haverstrite Well, Uintah Co., Utah, USA
Year of Discovery:1961
Geological Setting of type material:Aluminum deficient, dolomitic oil shale

Occurrences of Neighborite

Geological Setting:Alkaline syenites, granites

Physical Properties of Neighborite

Lustre:Vitreous, Greasy, Dull
Diaphaneity (Transparency):Transparent, Opaque
Colour:Colorless, cream, pink, red, brown
Comment:May be zoned
Hardness (Mohs):4½
Fracture:Irregular/Uneven
Density (measured):3.03(3) g/cm3
Density (calculated):3.06 g/cm3

Crystallography of Neighborite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:a = 5.36Å, b = 7.67Å, c = 5.5Å
Ratio:a:b:c = 0.699 : 1 : 0.717
Unit Cell Volume:V 226.11 ų (Calculated from Unit Cell)
Z:4
Morphology:Pseudo-octahedral or pseudocubic crystals, oblong to rounded grains
Twinning:Polysynthetic and interpenetrant
Comment:space group Pbnm

Optical Data of Neighborite

Type:Isotropic
Dispersion:r < v weak

Chemical Properties of Neighborite

Formula:
NaMgF
 
3
Essential elements:F, Mg, Na
All elements listed in formula:F, Mg, Na

Relationship of Neighborite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
3.AA.05Marshite
CuI
3.AA.05Miersite
(Ag,Cu)I
3.AA.05Nantokite
CuCl
3.AA.05UM1999-11:I:CuS
Cu(I,S)
3.AA.10Iodargyrite
AgI
3.AA.10Tocornalite
(Ag,Hg)I
3.AA.15Bromargyrite
AgBr
3.AA.15Chlorargyrite
AgCl
3.AA.20Carobbiite
KF
3.AA.20Griceite
LiF
3.AA.20Halite
NaCl
3.AA.20Sylvite
KCl
3.AA.20Villiaumite
NaF
3.AA.25Salammoniac
NH
 
4
Cl
3.AA.25UM1998-03-Cl:Tl
TlCl
3.AA.25Lafossaite
Tl(Cl,Br)
3.AA.30Calomel
(Hg
+
2
)Cl
 
2
3.AA.30Kuzminite
(Hg
+
2
)(Br,Cl)
 
2
3.AA.30Moschelite
(Hg
+
2
)I
 
2
3.AA.40Chlorocalcite
KCaCl
 
3
3.AA.45Kolarite
PbTeCl
 
2
3.AA.50Radhakrishnaite
PbTe
 
3
(Cl,S)
 
2
3.AA.55Challacolloite
KPb
 
2
Cl
 
5
3.AA.60Hephaistosite
TlPb
 
2
Cl
 
5
Related Minerals - Hey's Index Grouping:

- +
8.4.1Sellaite
MgF
 
2
8.4.3Bischofite
MgCl
 
2
 · 6H
 
2
O
8.4.4Korshunovskite
Mg
 
2
Cl(OH)
 
3
 · 4H
 
2
O
8.4.5Carnallite
KMgCl
 
3
 · 6H
 
2
O
8.4.6Tachyhydrite
CaMg
 
2
Cl
 
6
 · 12H
 
2
O
8.4.7Fluorite
CaF
 
2
8.4.8Sinjarite
CaCl
 
2
 · 2H
 
2
O
8.4.9Antarcticite
CaCl
 
2
 · 6H
 
2
O
8.4.10Chlorocalcite
KCaCl
 
3
8.4.11Rorisite
CaFCl
8.4.12Jarlite
Na(Sr,Na)
 
7
MgAl
 
6
F
 
32
(OH,H
 
2
O)
 
2
8.4.13Calcjarlite
Na(Ca,Sr)
 
3
Al
 
3
(OH)
 
2
F
 
14
8.4.14Tikhonenkovite
Sr[AlF
 
4
(OH)(H
 
2
O)]
8.4.15Acuminite
Sr[AlF
 
4
(OH)(H
 
2
O)]
8.4.16Frankdicksonite
BaF
 
2
8.4.17Usovite
Ba
 
2
CaMgAl
 
2
F
 
14
8.4.18Bøgvadite
Na
 
2
SrBa
 
2
Al
 
4
F
 
20

Other Names for Neighborite

Other Languages:
German:Neighborit
Russian:Нейборит
Spanish:Neighborita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Neighborite

Reference List:

- +
American Mineralogist (1961): 46: 387-393.

Mineralogical Record (1990): 21: 325-326.

Pischedda, V., Ferraris, G., Raade, G. (2005): Single-crystal X-ray diffraction study on neighborite (NaMgF3) from Gjerdingselva, Norway. Neues Jahrbuch für Mineralogie, Abhandlungen, 182, 23-29.

Internet Links for Neighborite

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    • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
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  • Neighborite specimens for sale - minfind.com
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    • Localities for Neighborite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
    Hide Locality List
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Canada
     
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Norway
     
    • Oppland
      • Lunner
        • Nordmarka
    		Raade, G. & Haug, J. (1980): Rare Fluorides from a soda granite in the Oslo Region, Norway. Mineralogical Record, 11,83-91
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Chitinskaya Oblast'
    		P.M. Karashov data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		http://maurice.strahlen.org/kola/khibiny.htm
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
          • Lovozero Massif
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Pekov, I. et al (2003): New Data on Minerals: 38: 20-33.
              • Umbozero mine (Umba mine)
    		Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
            • Suoluaiv Mt
    Tanzania
     
    • Arusha Region
    		Mitchell, R.H. (1997) Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789.
    USA
     
    • Utah
      • Uintah Co.
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
    Min Rec 8:5 p369
    Am Min 46:379-393
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    Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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