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Neighborite

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About NeighboriteHide

Frank Neighbor
Formula:
NaMgF3
Colour:
Colorless, cream, pink, red, brown
Lustre:
Vitreous, Greasy, Dull
Hardness:
Specific Gravity:
3.03
Crystal System:
Orthorhombic
Name:
Named in honor of Frank Neighbor (1 December 1906, Harper, Kansas, USA - 13 January 1996, Casper, Wyoming, USA), Sun Oil Co. geologist, Salt Lake City Utah. He made the drill cores, in which the mineral was discovered, available for study.
Related to the K analogue, parascandolaite.


Classification of NeighboriteHide

Approved
First Published:
1961
3.AA.35

3 : HALIDES
A : Simple halides, without H2O
A : M:X = 1:1, 2:3, 3:5, etc.
11.1.1.1

11 : HALIDE COMPLEXES
1 : AmBX3
8.4.2

8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
4 : Halides of the alkaline earths and Mg

Physical Properties of NeighboriteHide

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

Optical Data of NeighboriteHide

Type:
Isotropic
Dispersion:
r < v weak

Chemical Properties of NeighboriteHide

Formula:
NaMgF3

Crystallography of NeighboriteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Cell Parameters:
a = 5.36 Å, b = 7.67 Å, c = 5.5 Å
Ratio:
a:b:c = 0.699 : 1 : 0.717
Unit Cell 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

Type Occurrence of NeighboriteHide

Geological Setting of Type Material:
Aluminum deficient, dolomitic oil shale
Reference:
Chao, E.C.T., Evans, H.T., Skinner, B.J., Milton, C. (1961) Neighborite, NaMgF3, a new mineral from the Green River formation, South Ouray, Utah. American Mineralogist: 46: 379-393.

Other Language Names for NeighboriteHide

Relationship of Neighborite to other SpeciesHide

Other Members of this group:
ParascandolaiteKMgF3Iso. m3m (4/m 3 2/m) : Pm3m

Common AssociatesHide

Associated Minerals Based on Photo Data:
Siderite15 photos of Neighborite associated with Siderite on mindat.org.
Aegirine14 photos of Neighborite associated with Aegirine on mindat.org.
Gaidonnayite10 photos of Neighborite associated with Gaidonnayite on mindat.org.
Elpidite4 photos of Neighborite associated with Elpidite on mindat.org.
Pyrrhotite3 photos of Neighborite associated with Pyrrhotite on mindat.org.
Quartz2 photos of Neighborite associated with Quartz on mindat.org.
Rémondite-(Ce)2 photos of Neighborite associated with Rémondite-(Ce) on mindat.org.
Rutile1 photo of Neighborite associated with Rutile on mindat.org.
Natrolite1 photo of Neighborite associated with Natrolite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

3.AA.Brontesite(NH4)3PbCl5Orth. mmm (2/m 2/m 2/m) : Pnma
3.AA.05MarshiteCuIIso. 4 3m : F4 3m
3.AA.05Miersite(Ag,Cu)IIso. 4 3m : F4 3m
3.AA.05NantokiteCuClIso. 4 3m : F4 3m
3.AA.05UM1999-11:I:CuSCu(I,S)
3.AA.10IodargyriteAgIHex. 6mm : P6mm
3.AA.10Tocornalite(Ag,Hg)I
3.AA.15BromargyriteAgBrIso. m3m (4/m 3 2/m) : Fm3m
3.AA.15ChlorargyriteAgClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20CarobbiiteKFIso. m3m (4/m 3 2/m)
3.AA.20GriceiteLiFIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20HaliteNaClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20SylviteKClIso. m3m (4/m 3 2/m) : Fm3m
3.AA.20VilliaumiteNaFIso. m3m (4/m 3 2/m) : Fd3m
3.AA.25SalammoniacNH4ClIso. 4 3 2
3.AA.25UM1998-03-Cl:TlTlCl
3.AA.25LafossaiteTl(Cl,Br)Iso. m3m (4/m 3 2/m) : Pm3m
3.AA.30Calomel(Hg2)2+Cl2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.AA.30Kuzminite(Hg2+2)(Br,Cl)2Tet.
3.AA.30Moschelite(Hg2+2)I2Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
3.AA.40ChlorocalciteKCaCl3Orth. mmm (2/m 2/m 2/m) : Pnma
3.AA.45KolaritePbTeCl2Orth.
3.AA.50RadhakrishnaitePbTe3(Cl,S)2Tet.
3.AA.55ChallacolloiteKPb2Cl5Mon. 2/m : P21/b
3.AA.60HephaistositeTlPb2Cl5Mon. 2/m : P21/b

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

8.4.1SellaiteMgF2Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
8.4.3BischofiteMgCl2 · 6H2OMon. 2/m : B2/m
8.4.4KorshunovskiteMg2Cl(OH)3 · 4H2OTric.
8.4.5CarnalliteKMgCl3 · 6H2OOrth. mmm (2/m 2/m 2/m) : Pnna
8.4.6TachyhydriteCaMg2Cl6 · 12H2OTrig.
8.4.7FluoriteCaF2Iso. m3m (4/m 3 2/m) : Fm3m
8.4.8SinjariteCaCl2 · 2H2OTet.
8.4.9AntarcticiteCaCl2 · 6H2OTrig. 3 2 : P3 2 1
8.4.10ChlorocalciteKCaCl3Orth. mmm (2/m 2/m 2/m) : Pnma
8.4.11RorisiteCaFClTet.
8.4.12JarliteNa(Sr,Na)7MgAl6F32(OH,H2O)2Mon. 2/m
8.4.13CalcjarliteNa(Ca,Sr)3Al3(OH)2F14Mon.
8.4.14TikhonenkoviteSr[AlF4(OH)(H2O)]Mon. 2/m : P21/b
8.4.15AcuminiteSr[AlF4(OH)(H2O)]Mon. 2/m : B2/b
8.4.16FrankdicksoniteBaF2Iso. m3m (4/m 3 2/m) : Fm3m
8.4.17UsoviteBa2CaMgAl2F14Mon.
8.4.18BøgvaditeNa2SrBa2Al4F20Mon. 2/m

Other InformationHide

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

References for NeighboriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Chao, E.C.T., Evans, H.T., Skinner, B.J., Milton, C. (1961) Neighborite, NaMgF3, a new mineral from the Green River formation, South Ouray, Utah. American Mineralogist: 46: 379-393.
Fleischer, M. (1962) New mineral names. American Mineralogist: 47: 805-812.
International Mineralogical Association (1967) Commission on new minerals and mineral names. Mineralogical Magazine: 36: 131-136.
Mineralogical Record (1990): 21: 325-326.
Lütgert, B., Babel, D. (1992) Kristallstrukturverfeinerungen an natriumtrifluorometallaten NaMF3(M= Mg, Co, Ni, Zn): Oktaederkippung und toleranzfaktor orthorhombischer fluorperowskite. Zeitschrift für Anorganische und Allgemeine Chemie: 616: 133-140.
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.
Chen, J., Liu, H., Martin, C.D., Parise, J.B., Weidner, D.J. (2005) Crystal chemistry of NaMgF3 peroskite at high pressure and temperature. American Mineralogist: 90: 1534-1539.
Piilonen, P.C., Rowe, R., Ercit, T.S., Locock, A.J. (2006) New mineral names. American Mineralogist: 91: 1452-1457.
Martin, C.D., Crichton, W.A., Liu, H., Prakapenka, V., Chen, J., Parise, J.B. (2006) Rietveld structure refinement of perovskite and post-perovskite phases of NaMgF3 (Neighborite) at high pressures. American Mineralogist: 91: 1703-1706.
Mitchell, R.H., Alexander, M., Cranswick, L.M.D., Swainson, I.P. (2007) A powder neutron diffraction study of the crystal structure of the fluoroperovskite NaMgF3 (neighborite) from 300 to 3.6 K. Physics and Chemistry of Minerals: 34: 705-712.
Knight, K.S. (2014) A high-resolution powder neutron diffraction study of the crystal structure of neighborite (NaMgF3) between 9 and 440 K. American Mineralogist: 99: 824-838.
Mitchell, R.H., Welch, M.D., Chakhmouradian, A.R. (2017) Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition. Mineralogical Magazine: 81: 411-461.

Internet Links for NeighboriteHide

Localities for NeighboriteHide

ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Québec
    • Laurentides
      • Deux-Montagnes RCM
        • Oka
Chen, W., Kamenetsky, V. S., & Simonetti, A. (2013). Evidence for the alkaline nature of parental carbonatite melts at Oka complex in Canada. Nature communications, 4, ncomms3687.
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
      • Lajemmerais RCM
        • Varennes & St-Amable
          • Saint-Amable sill
R. Tibbit, Horváth & Can. Museum of Nature collections - XRD & EDS
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
 
  • Murmansk Oblast
    • Khibiny Massif
http://maurice.strahlen.org/kola/khibiny.htm; Barkov, A. Y., Fleet, M. E., Martin, R. F., & Men'Shikov, Y. P. (2006). Sr-Na-REE titanates of the crichtonite group from a fenitized megaxenolith, Khibina alkaline complex, Kola Peninsula, Russia: first occurrence and implications. European journal of mineralogy, 18(4), 493-502.
Khomyakov A P, Aleksandrov V V, Krasnova N I, Ermilov V V, Smolyaninova N N (1982) Bonshtedtite, Na3Fe(PO4)(CO3), a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 111, issue 4, 486-490
Khomyakov A P, Aleksandrov V V, Krasnova N I, Ermilov V V, Smolyaninova N N (1982) Bonshtedtite, Na3Fe(PO4)(CO3), a new mineral. Zapiski Vsesoyuznogo Mineralogicheskogo Obshchestva 111, issue 4, 486-490
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Khomyakov, A.P. (1995): Mineralogy of hyperagpaitic alkaline rocks. Clarendon Press, Oxford, 223 pp.; Yakovenchuk, V.N., Ivanyuk, G.Yu., Pakhomovsky, Ya.A., Men'shikov, Yu.P. (2005): Khibiny. Laplandia Minerals Ltd. (in association with the Mineralogical Society of Great Britain and Ireland), Apatity, 468 pp.
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 (Umbozerskii mine; Umba Mine)
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow; Khomyakov A P, Shumyatskaya N G, Polezhaeva L T (1992) Shomiokite-(Y), Na3Y(CO3)3·3H2O: a new mineral, Zapiski Vserossijskogo Mineralogicheskogo Obshchestva, 121, issue 6 129-132
      • Suoluaiv Mt
  • Zabaykalsky Krai
    • Chitinskaya Oblast
P.M. Karashov data; Savel’eva, V. B., Bazarova, E. P., Khromova, E. A., & Kanakin, S. V. (2017). Fluorides and Fluorcarbonates in Rocks of the Katugin Complex, Eastern Siberia: Indicators of Geochemical Mineral Formation Conditions. Geology of Ore Deposits, 59(7), 561-574.
Tanzania
 
  • Arusha Region
Mitchell, R.H. (1997) Carbonate-carbonate immiscibility, neighborite and potassium iron sulphide in Oldoinyo Lengai natrocarbonatite. Mineralogical Magazine: 61: 779-789.; Mattsson, H. B., & Reusser, E. (2010). Mineralogical and geochemical characterization of ashes from an early phase of the explosive September 2007 eruption of Oldoinyo Lengai (Tanzania). Journal of African Earth Sciences, 58(5), 752-763.; Victoria Sekisova, Victor Victorovich Sharygin, A. N. Zaitsev, Stanislav Strekopytov (2015) Liquid Immiscibility Геология и геофизика, 2015, т. 56, № 12, с. 2173—2197
USA
 
  • Utah
    • Uintah Co.
UGMS Bull 117 Minerals and Mineral Localities of Utah
Am Min 46:379-393
      • Uteland Knoll District (Ouray District)
        • Ouray
Min Rec 8:5 p369
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