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Wölsendorfite

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Formula:
(Pb,Ca)U2O7 · 2H2O
Colour:
Orange-red, bright carmine-red
Hardness:
5
Crystal System:
Orthorhombic
Name:
Named after its discovery locality, Wölsendorf, Bavaria, Germany.
This page provides mineralogical data about Wölsendorfite.


Hide all sections | Show all sections

Classification of WölsendorfiteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.GB.30

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
G : Uranyl Hydroxides
B : With additional cations (K, Ca, Ba, Pb, etc.); with mainly UO2(O,OH)5 pentagonal polyhedra
5.4.3.2

5 : OXIDES CONTAINING URANIUM OR THORIUM
4 : AX2O7·xH2O
7.16.31

7 : Oxides and Hydroxides
16 : Oxides of U

Physical Properties of WölsendorfiteHide

Colour:
Orange-red, bright carmine-red
Hardness:

Optical Data of WölsendorfiteHide

Type:
Biaxial
RI values:
nα = 2.050 nγ = 2.090
Max Birefringence:
δ = 0.040
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v strong

Chemical Properties of WölsendorfiteHide

Formula:
(Pb,Ca)U2O7 · 2H2O
IMA Formula:
Pb7(UO2)14O19(OH)4 · 12H2O

Crystallography of WölsendorfiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cmcm
Cell Parameters:
a = 14.131(1) Å, b = 13.885(1) Å, c = 55.969(4) Å
Ratio:
a:b:c = 1.018 : 1 : 4.031
Unit Cell V:
10982 ų
Z:
8
Comment:
Previously reported unit cell, a = 11.95, b = 13.99, c = 7.02 A, is possibly a subcell (or that of a polytype?)

Type Occurrence of WölsendorfiteHide

Synonyms of WölsendorfiteHide

Other Language Names for WölsendorfiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Uranophane16 photos of Wölsendorfite associated with Uranophane on mindat.org.
Rutherfordine9 photos of Wölsendorfite associated with Rutherfordine on mindat.org.
Uraninite6 photos of Wölsendorfite associated with Uraninite on mindat.org.
Becquerelite5 photos of Wölsendorfite associated with Becquerelite on mindat.org.
Thorogummite2 photos of Wölsendorfite associated with Thorogummite on mindat.org.
Thorian Uraninite2 photos of Wölsendorfite associated with Thorian Uraninite on mindat.org.
Billietite2 photos of Wölsendorfite associated with Billietite on mindat.org.
Fourmarierite1 photo of Wölsendorfite associated with Fourmarierite on mindat.org.
Curite1 photo of Wölsendorfite associated with Curite on mindat.org.
Studtite1 photo of Wölsendorfite associated with Studtite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

4.GB.05AgrinieriteK2(Ca,Sr)[(UO2)3O3(OH)2]2 · 5H2OOrth.
4.GB.05CompreignaciteK2(UO2)6O4(OH)6 · 7H2OOrth.
4.GB.05RameauiteK2Ca(H[3]2O)(H[5]2O)4[(UO2)6O6(OH)4](H[4]2O)Mon. m : Bb
4.GB.10BecquereliteCa(UO2)6O4(OH)6 · 8H2OOrth. mm2 : Pna21
4.GB.10BillietiteBa(UO2)6O4(OH)6 · 4-8H2OOrth. mm2
4.GB.10ProtasiteBa(UO2)3O3(OH)2 · 3H2OMon.
4.GB.15Richetite(Fe3+,Mg)Pb 8.6(UO2)36O36(OH)24•41H2O Tric.
4.GB.20BauranoiteBa(UO2)2(OH)6 · 1-2H2O
4.GB.20Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
4.GB.20Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
4.GB.25FourmarieritePb(UO2)4O3(OH)4 · 4H2OOrth.
4.GB.35MasuyitePb(UO2)3O3(OH)2 · 3H2OOrth.
4.GB.40MetavandendriesscheitePbU7O22 · nH2O n < 12Orth.
4.GB.40VandendriesscheitePbU7O22 · 12H2O
4.GB.45VandenbrandeiteCu(UO2)(OH)4Tric. 1 : P1
4.GB.50SayritePb2(UO2)5O6(OH)2 · 4H2OMon.
4.GB.55CuritePb3(UO2)8O8(OH)6 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pnma
4.GB.60Iriginite(UO2)Mo2O7 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pbcm
4.GB.65UranosphaeriteBi(UO2)O2(OH)Mon. 2/m
4.GB.70HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2OTrig. 3 : P3

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

5.4.3.1Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

7.16.1UraniniteUO2Iso. m3m (4/m 3 2/m) : Fm3m
7.16.2Schoepite(UO2)8O2(OH)12 · 12H2OOrth. mmm (2/m 2/m 2/m) : Pbca
7.16.3ParaschoepiteUO3 · 2H2OOrth.
7.16.4MetaschoepiteUO3 · 1-2H2OOrth. mmm (2/m 2/m 2/m) : Pbcn
7.16.5MetastudtiteUO4 · 2H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.16.6Studtite[(UO2)(O2)(H2O)2] · H2OMon.
7.16.7IanthiniteU4+(UO2)5O7 · 10H2OOrth. mm2 : Amm2
7.16.8CompreignaciteK2(UO2)6O4(OH)6 · 7H2OOrth.
7.16.9VandenbrandeiteCu(UO2)(OH)4Tric. 1 : P1
7.16.10RoubaultiteCu2(UO2)3(CO3)2O2(OH)2•4H2OTric. 1 : P1
7.16.11BecquereliteCa(UO2)6O4(OH)6 · 8H2OOrth. mm2 : Pna21
7.16.12RameauiteK2Ca(H[3]2O)(H[5]2O)4[(UO2)6O6(OH)4](H[4]2O)Mon. m : Bb
7.16.13AgrinieriteK2(Ca,Sr)[(UO2)3O3(OH)2]2 · 5H2OOrth.
7.16.14ProtasiteBa(UO2)3O3(OH)2 · 3H2OMon.
7.16.15BillietiteBa(UO2)6O4(OH)6 · 4-8H2OOrth. mm2
7.16.16BauranoiteBa(UO2)2(OH)6 · 1-2H2O
7.16.17Metacalciouranoite(Ca,Ba,Pb,K2)U2O7 · 2H2O
7.16.18Calciouranoite(Ca,Ba,Pb)U2O7 · 5H2O
7.16.19OrthobranneriteU4+U6+Ti4O12(OH)2Orth.
7.16.20Thorutite(Th,U,Ca)Ti2(O,OH)6Mon.
7.16.21Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig.
7.16.22Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38Trig. 3 : R3
7.16.23Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6Mon. 2/m : B2/m
7.16.24FourmarieritePb(UO2)4O3(OH)4 · 4H2OOrth.
7.16.25Richetite(Fe3+,Mg)Pb 8.6(UO2)36O36(OH)24•41H2O Tric.
7.16.26CuritePb3(UO2)8O8(OH)6 · 3H2OOrth. mmm (2/m 2/m 2/m) : Pnma
7.16.27MasuyitePb(UO2)3O3(OH)2 · 3H2OOrth.
7.16.28VandendriesscheitePbU7O22 · 12H2O
7.16.29MetavandendriesscheitePbU7O22 · nH2O n < 12Orth.
7.16.30SayritePb2(UO2)5O6(OH)2 · 4H2OMon.
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2OTrig.
7.16.33UranosphaeriteBi(UO2)O2(OH)Mon. 2/m

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 WölsendorfiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Protas, J. (1957) La wölsendorfite, nouvelle espèce uranifère. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences: 244: 2942-2944.
Fleischer, M. (1957) New mineral names. American Mineralogist: 42: 919-921.
Toussaint, J. (1961) Sur la structure de la wölsendorfite de Shinkolobwe. Ann Soc. Geol. Belg.: 84: 365-373.
Deliens, M. (1977) Review of the hydrated oxides of U and Pb with new X-ray power data. Mineralogical Magazine: 41: 51-57.
Beddoe-Stephens, B., Secher, K. (1982) Barian wölsendirfite from East Greenland. Mineralogical Magazine: 46: 130-132.
Belova, L.N., Ryzhov, B.I., Fedorov, O.V., Lyubomilova, G.V. (1985) Typomorphism and isomorphism of the wölsendorfite group of uranium hydroxides. Izvestiya Akademii Nauk SSSR, Seriya Geologicheskaya: 1985(2): 65-72.
Vochten, R., Van Haverbeke, L. (1990) Transformation of schoepite into the uranyl oxide hydrates: becquerelite, billietite and wölsendorfite: Mineralogy and Petrology: 43: 65-72.
Burns, P.C. (1999) A new sheet complex sheet of uranyl polyhedra in the structure of wölsendorfite. American Mineralogist 84: 1661-1673.
Burns, P.C. (2005) U6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.

Internet Links for WölsendorfiteHide

Localities for WölsendorfiteHide

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.
Australia
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
Isobe, H., Murakami, T., & Ewing, R. C. (1992). Alteration of uranium minerals in the Koongarra deposit, Australia: Unweathered zone. Journal of Nuclear Materials, 190, 174-187.
Brazil
 
  • Minas Gerais
    • Galiléia
Mineralogical Record: 17: 313.; Atencio D, Carvalho F M S, Matioli P A (2004) Coutinhoite, a new thorium uranyl silicate hydrate, from Urucum Mine, Galiléia, Minas Gerais, Brazil. American Mineralogist 89, 721-724
Canada
 
  • Northwest Territories
    • Mackenzie District
      • Great Bear Lake
American Mineralogist (1957): 42: 919.
  • Nunavut
    • Kivalliq Region
      • Baker Lake
Miller A. (1980) Uranium Geology of the Eastern Baker Lake Basin, District of Keewatin, Northwest Territories; G.S.C. Bulletin 330.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Krásná Hora nad Vltavou (Schönberg)
Litochleb, J.: Wolsendorfit z Milešova u Krásné Hory. Časopis pro mineralogii a geologii, 1986, roč. 31, č. 4, s. 436.
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
        • Březové Hory ore region (Birkenberg)
          • Březové Hory deposit
Ondruš, P. & Hyršl, J. (1989): New finds and revision of secondary minerals from Příbram district. Acta Universitatis Carolinae, Geologica 1989, 521-533.; Ondrus+Hyrsl (1989)
    • Karlovy Vary Region
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
        • Horní Hoštice
No reference listed
Sejkora, J.: Uranové ložisko Zálesí v Rychlebských horách. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1994, roč. 2, s. 105-110.
    • Vysočina Region
      • Nové Město na Moravě
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Shinkolobwe
[MinRec 20:287-288] American Mineralogist (1957): 42: 919. Toussaint, J. (1961) Sur la structure de la wölsendorfite de Shinkolobwe. Ann Soc. Geol. Belg.: 84: 365-373.
France
 
  • Bourgogne-Franche-Comté
    • Saône-et-Loire
      • Issy-l'Evêque
        • Grury
Le Règne Minéral, Hors Série IV, 1998
  • Brittany
    • Morbihan
      • Lignol
R. Pierrot, L. Chauris, C Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
  • Grand Est
    • Haut-Rhin
      • Thur valley (Thann valley)
        • Kruth
Hohl: "Minéraux et Mines du Massif Vosgien", Editions du Rhin (Mulhouse), 1994
  • Nouvelle-Aquitaine
    • Haute-Vienne
      • Compreignac
Le Règne Minéral, Hors Série IV, 1998
Le Règne Minéral, Hors Série IV (1998)
Gabon
 
  • Haut-Ogooué Province
    • Franceville
Janusz Janeczek (1999) Mineralogy and geochemistry of natural fission reactors in Gabon. Reviews in Mineralogy and Geochemistry, MSA, v. 38, p. 321-392
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Menzenschwand
Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schenkenzell
        • Wittichen
          • Burgfelsen
No reference listed
          • Heubach Valley
No reference listed
K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Weißenstadt
          • Großschloppen
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Upper Palatinate
American Mineralogist (1957): 42: 919.
        • Wölsendorf East District
          • Schwarzach bei Nabburg
            • Wölsendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Vogtland
      • Oelsnitz
Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
Greenland
 
  • Sermersooq
Beddoe-Stephens, B., Secher, C. (1982): Barian Wölsendorfite from East Greenland, Mineralogical Magazine, Vol. 46, 130-132
Italy
 
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Trento Province
      • Giudicarie Valleys
        • Rendena Valley
          • Bocenago & Spiazzo
- Ravagnani D.(1974): I giacimenti uraniferi italiani e i loro minerali. Gruppo Mineralogico Italiano Ed., Milano (pagg.188).
Norway
 
  • Telemark
    • Tokke
      • Klauvreid
Larsen. A.O. & Åsheim, A. (2008): Klauvreid pegmatittbrudd, del 1: Geologi og mineralogi. Norsk Bergverksmuseum Skrift. 38, 49-56.
Russia
 
  • Eastern-Siberian Region
    • Transbaikalia (Zabaykalye)
      • Chitinskaya Oblast'
        • Krasnokamensk
P.M. Kartashov data
Sweden
 
  • Lappland
    • Arjeplog
      • Jäkkvik
No reference listed
    • Ultevis
No reference listed
  • Södermanland
    • Nyköping
  • Värmland
    • Torsby
Löfvendahl, R: (1981): Secondary uranium minerals in Sweden. Sveriges Geologiska Undersökning C779, 20
Switzerland
 
  • Wallis (Valais)
    • Le Trient Valley
      • Les Marécottes
- Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
UK
 
  • England
    • Cornwall
      • St Just District
        • St Just
          • Botallack
[Journal of the Russell Society, 6(1), 17-26 (1995)]
USA
 
  • Colorado
    • Grand Co.
      • Wheeler Basin
Minerals of Colorado (1997) Eckel, E. B.
  • Maine
    • Oxford Co.
      • Greenwood
King & Foord, 1994. Mineralogy of Maine, Vol.1, p.372.
      • Newry
King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
  • North Carolina
    • Mitchell Co.
Finch,Robert J. and Ewing, Rodney C. (1997) Clarkeite: New chemical and structural data: American Mineralogist,Vol.82,pg 607-619,1997
Finch,Robert J. and Ewing,Rodney C.(1997) Clarkeite:New chemical and structural data, America Mineralogist,Vol.82 pg. 607-619,1997
      • Spruce Pine District
        • Spruce Pine
          • Greasy Creek Township
Finch,Robert J. and Ewing,Rodney C.(1997) Clarkeite: New chemical and structural data; American Mineralogist, Vol.82, pg. 607-619,1997
    • Yancey Co.
      • Spruce Pine District
        • Celo
          • Micaville
Finch,Robert J. and Ewing,Rodney C. (1997) Clarkeite:New chemical and structural data , American Mineralogist,Vol. 82,pg 607-619,1997
  • Pennsylvania
    • Northampton Co.
      • Easton
        • Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge)
          • C.K. Williams Quarry complex (Williams and Company Rock Quarry)
http://rruff.geo.arizona.edu/doclib/hom/wolsendorfite.pdf; Arthur Montgomery (1957) Three occurrences of high-thorian uraninite near Easton, Pennsylvania. Am. Min. 42: 804-820
  • Utah
    • San Juan Co.
      • Blanding
Chukanov N V, Pushcharovsky D Y, Pasero M, Merlino S, Barinova A V, Möckel S, Pekov I V, Zadov A E, Dubinchuk V T (2004) Larisaite, Na(H3O)(UO2)3(SeO3)2O2·4H2O, a new uranyl selenite mineral from Repete mine, San Juan County, Utah, U.S.A., European Journal of Mineralogy, 16, 367-374
Mineral and/or Locality  
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