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Fergusonite-(Nd)-β

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02722310015068870296079.jpg
Robert Ferguson
Formula:
(Nd,Ce)NbO4
Hardness:
5½ - 6½
Name:
In allusion to its dimorphous relation to fergusonite-(Nd). After Robert Ferguson (8 September 1769 – 3 December 1840, London, England) of Raith, Scottish landowner, politician and mineral collector.
This page provides mineralogical data about Fergusonite-(Nd)-β.


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Classification of Fergusonite-(Nd)-βHide

Approved
4.DG.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
D : Metal: Oxygen = 1:2 and similar
G : With large (+- medium-sized) cations; chains of edge-sharing octahedra
8.1.2.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
18.2.6

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U

Physical Properties of Fergusonite-(Nd)-βHide

Hardness:
5½ - 6½ on Mohs scale

Chemical Properties of Fergusonite-(Nd)-βHide

Formula:
(Nd,Ce)NbO4
IMA Formula:
NdNbO4

Type Occurrence of Fergusonite-(Nd)-βHide

Synonyms of Fergusonite-(Nd)-βHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
1 photo of Fergusonite-(Nd)-β associated with Monazite
1 photo of Fergusonite-(Nd)-β associated with Riebeckite◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2

Related Minerals - Nickel-Strunz GroupingHide

4.DG.05Euxenite-(Y)(Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6Orth. mmm (2/m 2/m 2/m)
4.DG.05Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Kobeite-(Y)(REE,Fe,U)3 Zr(Ti,Nb)3 O12
4.DG.05Loranskite-(Y)(Y,Ce,Ca)ZrTaO6 (?)
4.DG.05Polycrase-(Y)Y(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
4.DG.05Tanteuxenite-(Y)Y(Ta,Nb,Ti)2(O,OH)6
4.DG.05Uranopolycrase(U4+,Y)(Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m) : Pbcn
4.DG.05Yttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6Amor.
4.DG.10Fergusonite-(Y)-βYNbO4Mon. 2/m
4.DG.10Fergusonite-(Ce)-βCeNbO4
4.DG.10Yttrotantalite-(Y)(Y,U4+,Fe2+)(Ta,Nb)(O,OH)4Orth.
4.DG.10Beta-Fergusonite-(Nd)(Nd,Ce)NbO4
4.DG.15FoorditeSn2+(Nb,Ta)2O6Mon. 2/m : B2/b
4.DG.15Thoreaulite(Sn2+,Pb)(Ta,Nb)2O6Mon.
4.DG.20RaspitePb(WO4)Mon. 2/m : P21/b

Related Minerals - Dana Grouping (8th Ed.)Hide

8.1.2.1Fergusonite-(Y)-βYNbO4Mon. 2/m
8.1.2.2Fergusonite-(Ce)-βCeNbO4

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

18.2.1Fergusonite-(Y)YNbO4Tet. 4/m : I41/a
18.2.2Fergusonite-(Y)-βYNbO4Mon. 2/m
18.2.3Fergusonite-(Ce)CeNbO4 · 0.3H2O
18.2.4Fergusonite-(Ce)-βCeNbO4
18.2.5Fergusonite-(Nd)NdNbO4
18.2.7Formanite-(Y)YTaO4Tet. 4/m : I41/a
18.2.8Pyrochlore GroupA2Nb2(O,OH)6Z
18.2.9Ceriopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.2.10Strontiopyrochlore (of Hogarth 1977)A2Nb2(O,OH)6Z
18.2.11Loparite-(Ce)(Na,REE)Ti2O6
18.2.12Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6Orth. mmm (2/m 2/m 2/m) : Pbcn
18.2.13Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.14Aeschynite-(Nd)(Nd,Ln,Ca)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m)
18.2.15Aeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6Orth. mmm (2/m 2/m 2/m) : Pmna
18.2.16Nioboaeschynite-(Ce)(Ce,Ca)(Nb,Ti)2(O,OH)6Orth.
18.2.17Nioboaeschynite-(Nd)(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)2(O,OH)6Orth.
18.2.18Tantalaeschynite-(Y)Y(Ta,Ti,Nb)2O6Orth. mmm (2/m 2/m 2/m)
18.2.19Vigezzite(Ca,Ce)(Nb,Ta,Ti)2O6Orth.
18.2.20Murataite-(Y)(Y,Na)6Zn(Zn,Fe3+)4(Ti,Nb,Na)12O29(O,F,OH)10F4Iso. m3m (4/m 3 2/m) : Fm3m

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 Fergusonite-(Nd)-βHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Sun Weijun, Ma Fengjun, and Zhuang Shijie (1983): β-Fergusonite (Nd). Scientia Geologica Sinica 1983(1), 78-81 (in Chinese with English abstract). - American Mineralogist (1984), 69, 406-407 (abstract).

Internet Links for Fergusonite-(Nd)-βHide

Localities for Fergusonite-(Nd)-βHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - 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.
China (TL)
 
  • Inner Mongolia
    • Baotou League (Baotou Prefecture)
      • Bayan Obo mining district
        • Bayan Obo
          • Bayan Obo deposit (Bayun-Obo deposit; Baiyunebo deposit)
Sun Weijun, Ma Fengjun, and Zhuang Shijie (1983): Scientia Geologica Sinica 1983(1), 78-81.
 
Mineral and/or Locality  
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