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Cordylite-(Ce)

Big Photo

Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland
© Knut Eldjarn

Show Cordylite-(Ce) Photos (15)
Formula:
(Na,Ca)BaCe
 
2
(CO
 
3
)
 
4
F
System:HexagonalColour:Colourless, yellowish; ...
Hardness:4½
Name:From the Greek κορδύ, club, in allusion to the shape of the crystals, and (Ce) due to the dominant REE being cerium.
This page provides mineralogical data about Cordylite-(Ce).

Classification of Cordylite-(Ce)

IMA status:Approved
Strunz 8th edition ID:5/C.07-170
Nickel-Strunz 10th (pending) edition ID:5.BD.05

5 : CARBONATES (NITRATES)
B : Carbonates with additional anions, without H2O
D : With rare earth elements (REE)
Dana 8th edition ID:16a.1.7.1

16a : ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)(XO3)Zq
Hey's CIM Ref.:12.1.17

12 : Carbonates with other anions
1 : Carbonates with halides
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Type Occurrence of Cordylite-(Ce)

Type Locality:Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland
Geological Setting of type material:Pegmatitic veins in nepheline-syenite.
Associated Minerals at type locality:
Synchysite-(Ce)NeptuniteAncyliteAegirine

Physical Properties of Cordylite-(Ce)

Lustre:Adamantine, Greasy, Pearly
Diaphaneity (Transparency):Transparent
Colour:Colourless, yellowish; colourless to light yellow in transmitted light
Hardness (Mohs):4½
Tenacity:Brittle
Cleavage:Distinct/Good
On {0001}. (perhaps a parting)
Fracture:Conchoidal
Density (measured):4.31 g/cm3
Density (calculated):5.61 g/cm3

Crystallography of Cordylite-(Ce)

Crystal System:Hexagonal
Morphology:Crystals short prismatic [0001] with hexagonal dipyramidal terminations. Crystals small, ofte with enlarged terminations on a slender prism, and sceptre-like.
Crystal Atlas:
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Cordylite-(Ce) no.1 - Goldschmidt (1913-1926)
Cordylite-(Ce) no.5 - Goldschmidt (1913-1926)
Cordylite-(Ce) no.6 - Goldschmidt (1913-1926)

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Optical Data of Cordylite-(Ce)

Type:Uniaxial (-)
RI values: nω = 1.775 nε = 1.598
Maximum Birefringence:δ = 0.177

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Pleochroism:Weak
Comments:Dichroic:
O = greenish yellow
E = brownish yellow

Chemical Properties of Cordylite-(Ce)

Formula:
(Na,Ca)BaCe
 
2
(CO
 
3
)
 
4
F
Essential elements:Ba, C, Ce, F, O
All elements listed in formula:Ba, C, Ca, Ce, F, Na, O

Relationship of Cordylite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):
5.BD.05Lukechangite-(Ce)
Na
 
3
Ce
 
2
[F|(CO
 
3
)
 
4
]
5.BD.10Zhonghuacerite-(Ce)
Ba
 
2
Ce[F|(CO
 
3
)
 
3
]
5.BD.10Kukharenkoite-(Ce)
Ba
 
2
Ce[F|(CO
 
3
)
 
3
]
5.BD.10Kukharenkoite-(La)
Ba
 
2
(La,Ce,Th)[F|(CO
 
3
)
 
3
]
5.BD.15Cebaite-(Ce)
Ba
 
3
Ce
 
2
[F
 
2
|(CO
 
3
)
 
5
]
5.BD.15Cebaite-(Nd)
Ba
 
3
(Nd,Ce)
 
2
[F
 
2
|(CO
 
3
)
 
5
]
5.BD.20Synchysite-(Ce)
Ca(Ce,La)[F|(CO
 
3
)
 
2
]
5.BD.20Synchysite-(Nd)
Ca(Nd,Y,Gd)[F|(CO
 
3
)
 
2
]
5.BD.20Synchysite-(Y)
Ca(Y,Ce)[F|(CO
 
3
)
 
2
]
5.BD.25Huanghoite-(Ce)
BaCe[F|(CO
 
3
)
 
2
]
5.BD.25Qaqarssukite-(Ce)
Ba(Ce,REE) (CO
 
3
)
 
2
F
5.BD.30Parisite-(Ce)
Ca(Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
5.BD.30Parisite-(Nd)
Ca(Nd,Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
5.BD.30Röntgenite-(Ce)
Ca
 
2
(Ce,La)
 
3
[F
 
3
|(CO
 
3
)
 
5
]
5.BD.35Bastnäsite-(Ce)
(Ce,La)[F|CO
 
3
]
5.BD.35Bastnäsite-(La)
(La,Ce)[F|CO
 
3
]
5.BD.35Bastnäsite-(Y)
(Y,Ce)[F|CO
 
3
]
5.BD.35Hydroxylbastnäsite-(Ce)
(Ce,La)[(OH,F)|CO
 
3
]
5.BD.35Hydroxylbastnäsite-(Nd)
(Nd,Ce,La)[(OH,F)|CO
 
3
]
5.BD.35Hydroxylbastnäsite-(La)
(La,Ce)[(OH,F)|CO
 
3
]
5.BD.35Thorbastnäsite
Th(Ca,Ce)(CO
 
3
)
 
2
F
 
2
·3H
 
2
O
5.BD.40Horváthite-(Y)
NaY[F
 
2
|CO
 
3
]
Related Minerals - Hey's Index Grouping:
12.1.1Northupite
Na
 
3
Mg(CO
 
3
)
 
2
Cl
12.1.2Barentsite
Na
 
7
AlH
 
2
(CO
 
3
)
 
4
F
 
4
12.1.3Rouvilleite
Na
 
3
(Ca,Mn,Fe)
 
2
(CO
 
3
)
 
3
F
12.1.4Chlormagaluminite
(Mg,Fe
2+
 
)
 
4
Al
 
2
[(OH)
 
12
|(Cl
 
2
,CO
 
3
)] · 2H
 
2
O
12.1.5Defernite
Ca
 
6
(CO
 
3
)
 
2-x
(SiO
 
4
)
 
x
(OH)
 
7
(Cl,OH)
 
1-2x
 (x=0.5)
12.1.6Brenkite
Ca
 
2
[F
 
2
|CO
 
3
]
12.1.7Stenonite
(Sr,Ba,Na)
 
2
AlCO
 
3
F
 
5
12.1.8Bastnäsite-(Ce)
(Ce,La)[F|CO
 
3
]
12.1.9Bastnäsite-(La)
(La,Ce)[F|CO
 
3
]
12.1.10Bastnäsite-(Y)
(Y,Ce)[F|CO
 
3
]
12.1.11Parisite-(Ce)
Ca(Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
12.1.12Parisite-(Nd)
Ca(Nd,Ce,La)
 
2
[F
 
2
|(CO
 
3
)
 
3
]
12.1.13Synchysite-(Ce)
Ca(Ce,La)[F|(CO
 
3
)
 
2
]
12.1.14Synchysite-(Y)
Ca(Y,Ce)[F|(CO
 
3
)
 
2
]
12.1.15Synchysite-(Nd)
Ca(Nd,Y,Gd)[F|(CO
 
3
)
 
2
]
12.1.16Röntgenite-(Ce)
Ca
 
2
(Ce,La)
 
3
[F
 
3
|(CO
 
3
)
 
5
]
12.1.19Huanghoite-(Ce)
BaCe[F|(CO
 
3
)
 
2
]
12.1.20Zhonghuacerite-(Ce)
Ba
 
2
Ce[F|(CO
 
3
)
 
3
]
12.1.21Cebaite-(Ce)
Ba
 
3
Ce
 
2
[F
 
2
|(CO
 
3
)
 
5
]
12.1.22Thorbastnäsite
Th(Ca,Ce)(CO
 
3
)
 
2
F
 
2
·3H
 
2
O
12.1.23Phosgenite
Pb
 
2
[Cl
 
2
|CO
 
3
]
12.1.24Barstowite
Pb
 
4
[Cl
 
6
|CO
 
3
] · H
 
2
O
12.1.25Albrechtschraufite
Ca
 
4
Mg(UO
 
2
)
 
2
[F
 
2
|(CO
 
3
)
 
6
] · 17 H
 
2
O
12.1.26Kettnerite
(BiO)Ca[F|CO
 
3
]

Other Names for Cordylite-(Ce)

Synonyms:
BaiyuneboiteBaiyuneboite-(Ce)Barium-ParisiteCordyliteIMA2000-C
Kordylite
German names:
CordylitKordylit
Russian names:
Кордилит-(Ce)
Spanish names:
CordylitaKordylita

Other Information

Fluorescence in UV light:None.
Other Information:Basal sections exhibit concentric hexagonal zones of colourless and cloudy or opaque material together with radial sets of striae at times.

Readily soluble in acids.
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 Cordylite-(Ce)

Reference List:Flink (1898) Meddelelser om Grønland: 14: 236.

Flink (1901) Meddelelser om Grønland: 24: 42.

Bøggild (1906) Meddelelser om Grønland: 33: 101.

Oftedal (1931) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 79: 437.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 285-287.

Petersen, Ole V. and Secher, K.(1985) - Gronland: Mineralien, Geologie, Geschichte. - Verlag Bode & Partner K.G., Bochum, 87 pp.

G.Giester, et al.: "Cordylite-(Ce): Acrystalchemical investigation of material fromm four localities, including type material":American Mineralogist (1998): 83: 178-184.

Zemann, J. (2002): Cordylite – history and survival as a mineral species. Neues Jahrbuch für Mineralogie, Monatshefte 2002, 255-264.


Internet Links for Cordylite-(Ce)

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    Localities for Cordylite-(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.
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    (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
     
    • British Columbia
      • Omenica Mining Division
        • Williston Lake
    		www.em.gov.bc.ca/DL/GSBPubs/GeoFldWk/1986/283-289-mader.pdf.
    • Québec
      • Rouville Co.
        • Mont Saint-Hilaire
    		Chen, T.T., Chao, G.Y. (1975), Cordylite from Mont St-Hilaire, Quebec. Canadian Mineralogist: 13: 93-94; Giester, G., Ni, Y., Jarosch, D., Hughes, J.M. Ronsbo, J., Yang, Z. and Zemann, J. (1998), Cordylite-(Ce): A crystal chemical investigation of material from four localities, including type material. American Mineralogist: 83: 178-184.
      • Verchères Co.
        • Varennes & St-Amable
          • Saint-Amable sill
    		Mineralogical Record: 29: 83.
    China
     
    • Inner Mongolia Autonomous Region
      • Baotou League
        • Darhan Muminggan United Banner
          • Bayan Obo
    		Am Min 83:1-2 pp 178-184
            • Dulahala
    		Yang, X.M., Yang, X.Y., Zheng, Y.F., and Le Bas, M.J. (2003): Mineralogy and Petrology 78, 93-110.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Igaliku (Igaliko)
          • Narssârssuk (Narsarsuk)
    		Meddr Gronland,(1899) 24, p. 42; Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 286, 292; Petersen Ole V.,Secher K.(1985) - Gronland: Mineralien, Geologie, Geschichte. - Verlag Bode & Partner K.G., Bochum, 87 pagg.
    Russia
     
    • Eastern-Siberian Region
      • Transbaikalia (Zabaykalye)
        • Buriatia (Buryatia) Republic
          • Vitim Plateau
            • Biraya and Bya Rivers confluence area (Chara Basin)
    		A. Konev et al.: Eur. J. Min. 17(5):715–721 (2005)
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
    		Pekov, I.V. & Podlesnyi, A.S. (2004): Kukisvumchorr Deposit: Mineralogy of Alkaline Pegmatites and Hydrotermalites. Mineralogical Almanac, vol. 7, 140 pages + xxiv photo's pages
    P.M. Kartashov data
    www.koeln.netsurf.de/~w.steffens/vuori.htm
    Mineral and/or Locality
    Google
     
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