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Fergusonite-(Ce)

Big Photo

Laach lake volcanic complex, Eifel Mts, Rhineland-Palatinate, Germany
© Stephan Wolfsried

Show Fergusonite-(Ce) Photos (21)
Formula:
(Ce,La,Nd)NbO
 
4
Hardness:5½ - 6½
Name:After Robert Ferguson (1799-1865), Scottish physician.
This page provides mineralogical data about Fergusonite-(Ce).

Classification of Fergusonite-(Ce)

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:4/D.24-50
Nickel-Strunz 10th (pending) edition ID:7.GA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
G : Molybdates, Wolframates and Niobates
A : Without additional anions or H2O
Dana 8th edition ID:8.1.1.3

8 : MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
1 : ABO4
Hey's CIM Ref.:18.2.3

18 : Niobates and Tantalates
2 : Niobates and tantalates containing rare earths but not U
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Type Occurrence of Fergusonite-(Ce)

Type Locality:Chernigovskiy (Chernigovka) Massif (Novopoltavskiy Massif), Azov Sea Region, Zaporozh'e Oblast', Ukraine

Physical Properties of Fergusonite-(Ce)

Hardness (Mohs):5½ - 6½

Optical Data of Fergusonite-(Ce)

Type:Uniaxial (-)
RI values: nω = 2.300 nε = 2.200
Maximum Birefringence:δ = 0.100

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High

Chemical Properties of Fergusonite-(Ce)

Formula:
(Ce,La,Nd)NbO
 
4
Essential elements:Ce, Nb, O
All elements listed in formula:Ce, La, Nb, Nd, O

Relationship of Fergusonite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.GA.05Fergusonite-(Nd)
(Nd,Ce)(Nb,Ti)O
 
4
7.GA.05Fergusonite-(Y)
YNbO
 
4
7.GA.05Powellite
Ca[MoO
 
4
]
7.GA.05Scheelite
Ca[WO
 
4
]
7.GA.05Stolzite
Pb[WO
 
4
]
7.GA.05Wulfenite
Pb[MoO
 
4
]
7.GA.10Formanite-(Y)
YTaO
 
4
7.GA.10Iwashiroite-(Y)
Y(Ta,Nb)O
 
4
7.GA.15Paraniite-(Y)
Ca
 
2
Y(AsO
 
4
)(WO
 
4
)
 
2
Related Minerals - Hey's Index Grouping:

- +
18.2.1Fergusonite-(Y)
YNbO
 
4
18.2.2β-Fergusonite-(Y)
YNbO
 
4
18.2.4β-Fergusonite-(Ce)
(Ce,La,Nd)NbO
 
4
18.2.5Fergusonite-(Nd)
(Nd,Ce)(Nb,Ti)O
 
4
18.2.6β-Fergusonite-(Nd)
(Nd,Ce)NbO
 
4
18.2.7Formanite-(Y)
YTaO
 
4
18.2.8Pyrochlore
(Ca,Na)
 
2
Nb
 
2
O
 
6
(OH,F)
18.2.9Ceriopyrochlore-(Ce)
(Ce,Ca,Y)
 
2
(Nb,Ta)
 
2
O
 
6
(OH,F)
18.2.10Strontiopyrochlore
(Sr,Ce,Ca)
 
2-x
(Nb,Fe)
 
2
(O,OH)
 
7
18.2.11Loparite-(Ce)
(Na,Ce,Ca,Sr,Th)(Ti,Nb,Fe)O
 
3
18.2.12Fersmite
(Ca,Ce,Na)(Nb,Ta,Ti)
 
2
(O,OH,F)
 
6
18.2.13Aeschynite-(Ce)
(Ce,Ca,Fe,Th)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.14Aeschynite-(Nd)
(Nd,Ce,Ca)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.15Aeschynite-(Y)
(Y,Ca,Fe,Th)(Ti,Nb)
 
2
(O,OH)
 
6
18.2.16Nioboaeschynite-(Ce)
(Ce,Ca,Th)(Nb,Ti)
 
2
(O,OH)
 
6
18.2.17Nioboaeschynite-(Nd)
(Nd,Ce,Ca,Th)(Nb,Ti,Fe,Ta)
 
2
(O,OH)
 
6
18.2.18Tantalaeschynite-(Y)
(Y,Ce,Ca)(Ta,Ti,Nb)
 
2
O
 
6
18.2.19Vigezzite
(Ca,Ce)(Nb,Ti)
 
2
O
 
6
18.2.20Murataite-(Y)
(Y,Na)
 
6
Zn(Zn,Fe
3+
 
)
 
4
(Ti,Nb,Na)
 
12
O
 
29
(O,F,OH)
 
10
F
 
4

Other Names for Fergusonite-(Ce)

Other Languages:
German:β-Fergusonit-(Ce)
Fergusonit-(Ce)
Russian:Фергусонит-(Ce)

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 Fergusonite-(Ce)

Reference List:American Mineralogist: 74: 946.

Internet Links for Fergusonite-(Ce)

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  • Raman and XRD data at RRUFF project
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  • Fergusonite-(Ce) details from Handbook of Mineralogy (PDF)
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    Localities for Fergusonite-(Ce)

    Hide Locality List
    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.
    (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.
    Algeria
     
    • Tamanghasset Province
      • Ahaggar Mts (Hoggar Mts)
    Canada
     
    • Ontario
      • Haliburton Co.
        • Cardiff Township
    		No reference listed
      • Nipissing District
        • Murchison Township
          • Madawaska
    		Frank Melanson (Hawthorneden) specimen
      • Renfrew Co.
        • Lyndoch Township
          • Quadeville
    		GSC paper 70-50
    China
     
    • Inner Mongolia Autonomous Region
      • Baotou League
        • Darhan Muminggan United Banner
          • Bayan Obo
            • Bayan Obo (Bayun-Obo; Baiyunebo) deposit
    		Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
    Finland
     
    • Länsi-Suomen Lääni
      • Kangasala
    		Vorma et al 1966 Bulletin de la Commission Geologique de Finlande 222
    Germany
     
    • Rhineland-Palatinate
      • Eifel Mts
        • Laach lake volcanic complex
          • Kruft
    		Blass, G.; Graf, H.W., Neue Mineralien und Bestimmungen (17), Mineralien-Welt 8/2, 16, 1997
          • Mendig
            • Niedermendig
    		Blass, G.; Graf, H.W., Neue Mineralien und Bestimmungen (17) Mineralien-Welt 8/2, 16, 1997
    Blass, G.; Graf, H.W., Neue Mineralien und Bestimmungen (17), Mineralien-Welt 8/2, 16, 1997
              • Wingertsberg Mt.
    		Blass, G.; Graf, H.W., Neue Mineralien und Bestimmungen (17), Mineralien-Welt 8/2, 16, 1997
    Italy
     
    • Campania
      • Naples Province
        • Somma-Vesuvius Complex
          • Monte Somma
            • Ercolano
              • San Vito
    		Pavel M. Kartashov analytical data, mterial of Luigi Chiappino
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Buriatia (Buryatia) Republic
          • Vitim Plateau
            • Biraya and Bya Rivers confluence area (Chara Basin)
    		C. Lemanski, Jr. (re-entry of lost Mindat data).
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Ilmen Mts
            • Ilmen Natural Reserve
    		P.M. Kartashov data
    Ukraine
     
    • Zaporozh'e Oblast'
      • Azov Sea Region
    		Trudy Min.Muz. Fersmana (1976) 25, 166-172.
    USA
     
    • Arkansas
      • Pulaski Co.
        • Little Rock
    Mineral and/or Locality
    Google
     
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 21st Nov 2009 12:53:34