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Fergusonite-(Ce)

A valid IMA mineral species - questionable
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CeNbO4 · 0.3H2O
Colour:
Dark red to black
Hardness:
5½ - 6½
Specific Gravity:
5.48
Crystal System:
Tetragonal
Name:
For its relation tofergusonite-(Y), and its dominant cerium content. Named after Robert Ferguson (8 September 1769 – 3 December 1840, London, England) of Raith, Scottish landowner, politician and mineral collector.
Type Locality:
Dimorph of:
This page provides mineralogical data about Fergusonite-(Ce).


Unique Identifiers
Approval history:
Jambor and Vanko (1989) state in an abstract of Kapustin (1986): "Apparently the tetragonal polymorph of monoclinic fergusonite-beta-(Ce). A more complete description and formal submission for approval of the name are needed".

Classification of Fergusonite-(Ce)

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
8.1.1.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
18.2.3

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

Mineral Symbols
Surface Relief:
Moderate

Chemistry of Fergusonite-(Ce)

Crystallography of Fergusonite-(Ce)
General Appearance of Type Material:
Irregular poikiloblasts to 1 cm and rare prismatic dipyramidal crystals to 1 mm.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Moscow, Russia, number 79595 (type).
Geological Setting of Type Material:
Carbonatite.
Associated Minerals at Type Locality:

Synonyms of Fergusonite-(Ce)

Other Language Names for Fergusonite-(Ce)

Common AssociatesMon. 2/m :B2/m7.GA.05RonpetersoniteBaWO4Tet. 4/m :I41/a7.GA.05Fergusonite-(Nd)NdNbO47.GA.05Fergusonite-(Y)YNbO4Tet. 4/m :I41/a7.GA.05PowelliteCa(MoO4)Tet. 4/m :I41/a7.GA.05StolzitePb(WO4)Tet. 4/m :I41/a7.GA.05SuseinargiuiteNaBi(MoO4)2Tet. 4/m :I41/a7.GA.05WulfenitePb(MoO4)Tet. 4/m :I41/a7.GA.05ScheeliteCa(WO4)Tet. 4/m :I41/a7.GA.10Formanite-(Y)YTaO4Tet. 4/m :I41/a7.GA.10Iwashiroite-(Y)Y(Ta,Nb)O4Mon. 2/m :P2/b7.GA.15Paraniite-(Y)Ca2Y(AsO4)(WO4)2Tet. 4/m :I41/a7.GA.20Takanawaite-(Y)YTaO4Mon. 2/m

Other Information
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  • References for Fergusonite-(Ce)Tin ZebaneHadj-Kaddour et al. (1998)
    Canada
     
    Pouliot et al. (1964)Frank Melanson (Hawthorneden)Sabina (1971)YAKOVLEVA et al. (2010b)
    China
     
    Su et al. (2)+3 other referencesQingchang Meng (1981)+2 other referencesZhang Peishan et al. (1996)
    Germany
     
    Graf (1997)Graf (1997)Graf (1997)Graf (1997)
    Italy
     
    Pavel M. Kartashov analytical data
    Japan
     
    Alfredo Petrov specimen (from David Nieto, 2-1998)
    Mongolia
     
    complex evolution of REE-Nb minerals. Acta Geologica Polonica (3)+1 other referenceMacDonald et al. (2015)+1 other reference
    Poland
     
    Ł. Kruszewski PXRD & pXRF data (paper in preparation)
    Russia
     
    Pavel.M. Kartashov (n.d.)Попова et al. (2019)Koneva A.A. et al. (2010)Konev et al. (2005)Doroshkevich et al. (2016)
    South Africa
     
    R. Liferovich -L. Horváth p.c. 2004+1 other reference
    South Korea
     
    Pavel M. Kartashov's analytical data
    Spain
     
    Ковальчук et al. (2014)
    Ukraine (TL)
     
    Trudy Min.Muz. Fersmana (1976)
    USA
     
    Barwood (1989)
     
    and/or 
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