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Rhabdophane-(Ce)

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Formula:
(Ce,La)(PO
 
4
) · H
 
2
O
System:HexagonalColour:Brown, pale pink, ...
Lustre:Resinous, Waxy, Greasy, DullHardness:
Member of:Rhabdophane Group
Name:Named in 1878 by William Garrow Lettsom from the Greek, ραβδοζ, a rod, plus φαιυεσθαι, to appear, in allusion to the bands characteristically exhibited in its spectrum, plus the suffix "-(Ce)" indicating the dominance of Ce over other REE in this species.


Rhabdophane Group.
The most common member in this group.

Classification of Rhabdophane-(Ce)

IMA status:Approved
Strunz 8th edition ID:7/C.29-10
Nickel-Strunz 10th (pending) edition ID:8.CJ.45

8 : PHOSPHATES, ARSENATES, VANADATES
C : Phosphates without additional anions, with H2O
J : With only large cations
Dana 8th edition ID:40.4.7.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
4 : (AB)5(XO4)2·xH2O
Hey's CIM Ref.:19.9.6

19 : Phosphates
9 : Phosphates of rare earths and Sc
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Type Occurrence of Rhabdophane-(Ce)

Type Locality:Fowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath, St Austell District, Cornwall, England, UK
Year of Discovery:1878
Geological Setting of type material:Vein copper ore deposit

Occurrences of Rhabdophane-(Ce)

Geological Setting:An uncommon late-stage mineral in almost all of its occurrences: nepheline syenite pegmatites, polymetallic veins, also rarely from granite pegmatites, has been found in limonite beds

Physical Properties of Rhabdophane-(Ce)

Lustre:Resinous, Waxy, Greasy, Dull
Diaphaneity (Transparency):Translucent
Colour:Brown, pale pink, yellowish-white; pale gray, fibers may be colourless in transmitted light.
Comment:May be stained by iron oxides
Streak:Colorless when pure
Hardness (Mohs):
Tenacity:Brittle
Cleavage:None Observed
Fracture:Irregular/Uneven, Sub-Conchoidal
Density (measured):3.77 - 4.01 g/cm3
Density (calculated):4.19 g/cm3

Crystallography of Rhabdophane-(Ce)

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P63/mcm
Cell Parameters:a = 7.055Å, c = 6.439Å
Ratio:a:c = 1 : 0.913
Unit Cell Volume:V 277.55 ų (Calculated from Unit Cell)
Z:3
Morphology:Occurs as incrustations, botryoidal, globular, or stalactitic forms with radial-fibrous structure. Short rod-like simple hexagonal crystals.
X-Ray Powder Diffraction:
d-spacingIntensity
6.09 (90)
4.41 (80)
3.51 (70)
3.03 (100)
2.83 (90)
2.16 (60)
1.865 (60)

Optical Data of Rhabdophane-(Ce)

Type:Uniaxial (+)
RI values: nω = 1.654 - 1.700 nε = 1.703 - 1.744
Birefringence:0.050
Maximum Birefringence:δ = 0.049

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:High
Optical Extinction:Parallel
Pleochroism:Visible
Comments:Colorless, E tan to light brown

Chemical Properties of Rhabdophane-(Ce)

Formula:
(Ce,La)(PO
 
4
) · H
 
2
O
Simplified for copy/paste:(Ce,La)(PO4)·H2O
Essential elements:Ce, H, O, P
All elements listed in formula:Ce, H, La, O, P

Relationship of Rhabdophane-(Ce) to other Species

Member of:Rhabdophane Group
Other Members of Group:

- +
Brockite
(Ca,Th,Ce)PO
 
4
· H
 
2
O
Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
Rhabdophane-(Y)
YPO
 
4
·H
 
2
O
Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
) · 2H
 
2
O
Related Minerals - Nickel-Strunz Grouping):

- +
8.CJ.05Stercorite
Na(NH
 
4
)HPO
 
4
· 4H
 
2
O
8.CJ.10Mundrabillaite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
· H
 
2
O
8.CJ.10Swaknoite
(NH
 
4
)
 
2
Ca(HPO
 
4
)
 
2
· H
 
2
O
8.CJ.15Nabaphite
NaBaPO
 
4
· 9H
 
2
O
8.CJ.15Nastrophite
Na(Sr,Ba)PO
 
4
· 9H
 
2
O
8.CJ.20Haidingerite
CaHAsO
 
4
· H
 
2
O
8.CJ.25Vladimirite
Ca
 
4
(AsO
 
4
)
 
2
(AsO
 
3
OH) · 4H
 
2
O
8.CJ.30Ferrarisite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
· 9H
 
2
O
8.CJ.35Machatschkiite
(Ca,Na)
 
6
(AsO
 
4
)(HAsO
 
4
)
 
3
(PO
 
4
,SO
 
4
) · 15H
 
2
O
8.CJ.40Phaunouxite
Ca
 
3
(AsO
 
4
)
 
2
· 11H
 
2
O
8.CJ.40Rauenthalite
Ca
 
3
(AsO
 
4
)
 
2
· 10H
 
2
O
8.CJ.45Brockite
(Ca,Th,Ce)PO
 
4
· H
 
2
O
8.CJ.45Grayite
(Th,Pb,Ca)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
8.CJ.45Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
8.CJ.45Tristramite
(Ca,U,Fe)(PO
 
4
,SO
 
4
) · 2H
 
2
O
8.CJ.45Smirnovskite
CaTh(PO
 
4
)
 
2
· nH
 
2
O
8.CJ.50Ardealite
Ca
 
2
(HPO
 
4
)(SO
 
4
) · 4H
 
2
O
8.CJ.50Brushite
Ca(HPO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Y)
Y(PO
 
4
) · 2H
 
2
O
8.CJ.50Pharmacolite
Ca(HAsO
 
4
) · 2H
 
2
O
8.CJ.50Churchite-(Nd)
Nd(PO
 
4
) · 2H
 
2
O
8.CJ.55Mcnearite
NaCa
 
5
(AsO
 
4
)(HAsO
 
4
)
 
4
· 4H
 
2
O
8.CJ.60Dorfmanite
Na
 
2
HPO
 
4
· 2H
 
2
O
8.CJ.65Sincosite
Ca(VO)
 
2
(PO
 
4
)
 
2
· 5H
 
2
O
8.CJ.65Bariosincosite
Ba(VO)
 
2
(PO
 
4
)
 
2
· 4H
 
2
O
8.CJ.70Catalanoite
Na
 
2
(HPO
 
4
) · 8H
 
2
O
8.CJ.75Guérinite
Ca
 
5
(AsO
 
4
)
 
2
(HAsO
 
4
)
 
2
· 9H
 
2
O
8.CJ.85Ningyoite
CaU(PO
 
4
)
 
2
· 1-2H
 
2
O
Related Minerals - Hey's Index Grouping:

- +
19.9.1Xenotime-(Y)
Y(PO
 
4
)
19.9.2Churchite-(Y)
Y(PO
 
4
) · 2H
 
2
O
19.9.3Monazite-(Ce)
(Ce,La,Nd,Th)(PO
 
4
)
19.9.4Monazite-(La)
(La,Ce,Nd)(PO
 
4
)
19.9.5Monazite-(Nd)
(Nd,La,Ce)(PO
 
4
)
19.9.7Rhabdophane-(La)
(La,Ce)(PO
 
4
) · H
 
2
O
19.9.8Rhabdophane-(Nd)
(Nd,Ce,La)(PO
 
4
) · H
 
2
O
19.9.9Vitusite-(Ce)
Na
 
3
(Ce,La,Nd)(PO
 
4
)
 
2
19.9.10Florencite-(Ce)
CeAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
19.9.11Florencite-(La)
LaAl
 
3
(PO
 
4
)
 
2
(OH)
 
6
19.9.12Florencite-(Nd)
(Nd,La,Ce)Al
 
3
(PO
 
4
)
 
2
(OH)
 
6
19.9.13Kolbeckite
ScPO
 
4
· 2H
 
2
O

Other Names for Rhabdophane-(Ce)

Synonyms:
LlallayualiteRhabdophan-(Ce)
Other Languages:
German:Llallayualit
Russian:Рабдофан-(Ce)
Spanish:Llallagualita
Llallayualita
Varieties:
Plumboan Rhabdophane-(Ce)

Other Information

Other Information:Readily soluble in HCl.
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 Rhabdophane-(Ce)

Reference List:

- +
Lettsom (1878) Zeitschrift für Kristallographie, Mineralogie und Petrographie, Leipzig: 3: 191 (as Rhabdophane).

Lecoq d Boisbaudran (1878) Comptes rendu de l’Académie des sciences de Paris: 86: 1028 (as Rhabdophane).

Bertrand (1880) Bulletin de la Société française de Minéralogie: 3: 58.

Hartley (1882) Journal of the Chemical Society, London: 41: 210.

Hartley (1884) Journal of the Chemical Society, London: 45: 167.

Lettsom (1882) Proceedings of the Crystallological Society, London: 105 (as Rhabdophane).

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. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 774 (as Rhabdophane).

American Mineralogist (1980): 65: 1065.

Walenta, K. (2003): Monokliner bleihaltiger Rhabdophan von der Grube Clara im mittleren Schwarzwald. Aufschluss 54, 405-409.

Internet Links for Rhabdophane-(Ce)

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  • Localities for Rhabdophane-(Ce)

    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.
    Angola
     
    • Namibe Province
      • Tombwa City Council
    L. Torró, C. Villanova, M. Castillo, M. Campeny, A. O. Gonçalves and J. C. Melgarejo (2012): Niobium and rare earth minerals from the Virulundo carbonatite, Namibe, Angola. Mineral. Mag. 76, 393-409.
    Australia
     
    • New South Wales
      • Yancowinna Co.
    No reference listed
    • Tasmania
      • Corinna-Savage River district
    Bottrill & Taheri, 2008, Savage River mine, Unpub. Rept, Mineral Resources Tasmania
    Belgium
     
    • Luxembourg Province
      • Stavelot Massif
        • Vielsalm
          • Grand Halleux
    Loeber, A. (2005). "La carrière de Hourt, Grand Halleux, Province de Luxembourg, Belgique." Magazine du 4M, 26(255), 5-7; Dehove, J. and Hubert, F. (2006). "Nouvelles découvertes à Hourt." Magazine du 4M, 27(263), 9-11.
    Canada
     
    • Québec
      • 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
    HORVÁTH, L., PFENNINGER HORVÁTH, E., GAULT, R.A., and TARASSOFF, P. (1998) Mineralogy of the Saint Amable sill, Varennes and Saint Amable, Québec, Canada. Mineralogical Record, 29, 83 118.
    Horváth, L., Pfenninger-Horváth, E., Gault, R. A., & Tarassoff, P. (1998): Mineralogy of the Saint-Amable Sill, Varennes and Saint-Amable, Québec. Mineralogical Record, 29: 83-118.
    China
     
    • Inner Mongolia Autonomous Region
      • Baotou League (Baotou Prefecture)
        • Bayan Obo Mining District
          • Bayan Obo
    Zhang Peishan, Yang Zhuming, Tao Kejie, and Yang Xueming (1996): "Mineralogy and Geology of Rare Earths in China", Science Press (Beijing), 226 pp.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Liberec Region
    Scharm, B.: Přehled minerálů nalezených v oblasti uranových koncentrací v severočeské křídě. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1995, roč. 3, s. 169-172.
      • Ústí Region
        • Most
          • Hora Svaté Kateřiny (Sankt Katharinaberg; Halleberg; Katterberg)
    Breiter, Karel, Copjakova, Renata, and Skoda, Radek, 2009, The Involvement of F, CO2, and As in the Alteration of Zr-Th-REE-bearing Accessory Minerals in the Hora Svaté Kateřiny A-type Granite, Czech Republic, Canadian Mineralogist, v. 47, p. 1375-1398.
    • Moravia (Mähren; Maehren)
      • Olomouc Region
        • Prostějov area
    Škoda R., Čopjakova R. 2006: Authigenic REE mineralsfrom greywackes of the Drahany Uplands, Czech Republic and their significance for diagenetic processes. Mineralogia Polonica, vol. 28, 208-210
    France
     
    • Auvergne
      • Haute-Loire
        • Langeac
          • Marsanges
    PERINET F. (2014) - Minéraux des terres rares de Marsanges (Haute Loire). Le Cahier des Micromonteurs N° 123 pp. 18-22
    Germany
     
    • Baden-Württemberg
      • Black Forest
        • Gengenbach
          • Haigerach valley
    Wittern: "Mineralfundorte in Deutschland", 2001
    [var: Plumboan Rhabdophane-(Ce)] Belendorff, K. (1986): Lapis 11 (3), 27-28.
        • Todtnau
    Lapis 21(12), 44 (1996)
        • Wolfach
          • Oberwolfach
            • Rankach valley
    Walenta, K. (1979): Chukhrovit-(Ce) und Rhabdophan-(Ce) aus der Grube Clara im mittleren Schwarzwald. Chem. Erde, 38, 331-39. (in German); Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); KOLITSCH, U., GRÖBNER, J. & BAYERL, R. (1995): Die Mineralien der Silber-Antimon-Vererzungen der Grube Clara im Zeitraum 1993 bis 1995. - Erzgräber 9 (2), 61-77.
    • Bavaria
      • Franconia
        • Fichtelgebirge
          • Weißenstadt
            • Großer Waldstein
    Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990; Meier, S. (2002): Seltene Phosphatmineralien aus dem Fichtelgebirge und der Oberpfalz. Lapis 27 (2), 32-34
            • Rudolfstein
    Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Spessart
          • Waldaschaff
    Lorenz, J., Schmitt, R., Hahn, W. (2007): Rhabdophan und Cuprobismutit von der Barytgrube "Pauline" in Waldaschaff im Spessart, Der Aufschluss, Vol. 58, 41-54
    • Rhineland-Palatinate
      • Eifel
        • Laach lake volcanic complex
          • Kruft
    [Hentschel, G., (1983): Die Mineralien der Eifelvulkane, Weise Verlag, München] [Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors]
          • Mendig
            • Niedermendig
    [Hentschel, G., (1983): Die Mineralien der Eifelvulkane, Weise Verlag, München] [Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors]
    [Hentschel, G., (1983): Die Mineralien der Eifelvulkane, Weise Verlag, München] [Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors]
              • Wingertsberg
    [Hentschel, G., (1983): Die Mineralien der Eifelvulkane, Weise Verlag, München] [Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors]
    • Saxony-Anhalt
      • Halle
        • Petersberg
    Jahn, S. (2007): Der Petersberg bei Halle a. d. Saale. Mineralien-Welt 18(6), 16-41.
    • Saxony
      • Oberlausitz
        • Görlitz
          • Königshain
    Witzke, T. & Giesler, T. (2013): Eine Seltenerd- und Niob-Tantal-Mineralisation aus dem Königshainer Granit in der Lausitz, Sachsen.- Mineralien-Welt 24(1), 36-45
    Hungary
     
    • Győr-Moson-Sopron Co.
      • Soproni Mtns
        • Sopron-Brennbergbánya
    Mineral Species of Hungary, 2005
        • Sopron
    Mineral Species of Hungary, 2005
    Italy
     
    • Sardinia
      • Cagliari Province
        • Sarroch
    - Orlandi, P., Gelosa, M., Bonacina, E., Caboni, F., Mamberti, M., Tanca, G., A. et Vinci, A. (2013) : Sardignaite, gelosaite et tancaite-(Ce) : trois nouveaux minéraux de Su Seinargiu, Sarroch, Sardaigne, Italie. Le Règne Minéral, 112, 39-52.
    Japan
     
    • Kyushu Region
      • Saga Prefecture
    Takai, Y. and Uehara, S. (2012) Rhabdophane-(Y), YPO4·H2O, a new mineral in alkali olivine basalt from Hinodematsu, Genkai-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences, 107, 110-113.
    Malawi
     
    • Zomba District
    American Mineralogist, Volume 94, pages 1216–1222, 2009
    Norway
     
    • Aust-Agder
      • Iveland
        • Birkeland
    Neumann (1985) : Norges mineraler. Norges geologiske undersøkelse Skrifter 68, p. 117
        • Skripeland
    Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68,p. 117.
    • Østfold
      • Halden
        • Idd
          • Aspedammen
    R. Kristiansen (1974, pers. com.); Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 117
    Pakistan
     
    • Khyber Pakhtunkhwa (North-West Frontier Province)
      • Peshawar
        • Hameed Abad Kafoor Dheri
    The Mineralogical Record, Volume 35 Number 3, p. 212
    Russia
     
    • Eastern-Siberian Region
      • Sakha Republic (Saha Republic; Yakutia)
    [World of Stones 12:49]
        • Polar Yakutia
    S.M. Kravchenko data
    • Northern Region
      • Murmanskaja Oblast'
        • Kola Peninsula
          • Khibiny Massif
            • Koashva Mt
    Arzamastsev, A., Yakovenchuk, V., Pakhomovsky, Y., & Ivanyuk, G. (2008). The Khibina and Lovozero alkaline massifs: Geology and unique mineralization. In Guidbook for 33rd International Geological Congress Excursion (No. 47, p. 58).
    [AmMin 85:1844]
    Pavel M. Kartashov data
          • Lovozero Massif
    Pavel M. Kartashov analytical data (2013)
    N.V. Chukanov, I.V. Pekov, A.E. Zadov, S.V. Krivovichev, P.C.Burns, Yu. Schneider (2001): Organovaite-Mn,K2Mn(Nb,Ti)4(Si4O12)2(O,OH)4·6H2O, a new labuntsovite-group mineral from the Lovozero massif, Kola Peninsula. Zap. Vseross. Mineral. Obshch., 130(2), 46­53
    P.M. Kartashov data
    Pekov, I.V. (2000): Lovozero Massif. Moscow, Ocean Pictures Ltd, 480 pp.
            • Seidozero Lake
    Yakovenchuk, V.N., Pakhomovsky, Ya.A., Men’shikov, Yu.P., Mikhailova, J.A., and Ivanyuk, G.Yu. (2007): Canadian Mineralogist 45, 451-456.
    Pavel M. Kartashov data; Semenov E.I. (1972) Mineralogy of Lovozero alkaline massif, - Moscow, Nauka, p. 308 (in Rus.)
    Semenov E.I. (1972) Mineralogy of Lovozero alkaline massif, - Moscow, Nauka, p. 308 (in Rus.)
    The Canadian Mineralogist Vol. 43, pp. 735-746 (2005)
            • Suoluaiv Mt
    Mikhail Uchitel' data
    • Urals Region
      • Southern Urals
        • Chelyabinsk Oblast'
          • Plast
            • Kochkar' District
              • Svetlyi
    Igor Savin's data
    Spain
     
    • Galicia
      • Pontevedra
        • Porriño
    Calvo, M., Viñals, J. and Vila, F. (2009) Mineralogy of the pegmatites and miarolitic cavities in the granitic batholit of Porriño, Pontevedra, galicia, Spain. Mineral Up, (2009-1), 6-23
    UK
     
    • England
      • Cornwall
        • St Austell District
          • Tywardreath
    No reference listed
    Ukraine
     
    • Zhytomyr Oblast' (Zhitomir Oblast')
    Lyckberg, P., Chornousenko, V. & Wilson, W. E. (2009): Volodarsk-Volynski, Zhitomir Oblast, Ukraine. Mineralogical Record, 40, 473-506.
    USA
     
    • Arkansas
      • Hot Spring Co.
        • Magnet Cove
    Art Smith (2001) Mineral News, 17, #11.
    • Colorado
      • Gunnison Co.
        • White Earth District (Powderhorn District)
    "Minerals of Colorado, updated & revised", p. 17, by Eckel, Edwin B., 1997
    • Nevada
      • Pershing Co.
        • Antelope District
    NBMG Spec. Pub. 31 Minerals of Nevada; Jensen, M. (1993): Update on the mineralogy of the Majuba Hill mine, Pershing County. Mineralogical Record. 24, 171-180.
    Jensen, M. (1993): Update on the mineralogy of the Majuba Hill mine, Pershing County. Mineralogical Record. 24, 171-180.
    • Wisconsin
      • Marathon Co.
    Hanson, S.L., et al (1999) Rocks and Minerals, 74, 184
        • Wausau pluton
          • "Rotten granite" quarries
    www.uwrf.edu/~wc01/rhabdophane.htm
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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