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Francevillite

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04585790014946752137381.jpg
Francevillite, etc.

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
02786830014946752102316.jpg
Francevillite

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
08644760014946752067953.jpg
Francevillite

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
04585790014946752137381.jpg
Francevillite, etc.

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
02786830014946752102316.jpg
Francevillite

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
08644760014946752067953.jpg
Francevillite

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
04585790014946752137381.jpg
Francevillite, etc.

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
02786830014946752102316.jpg
Francevillite

Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
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About FrancevilliteHide

Formula:
Ba(UO2)2(VO4)2 · 5H2O
Hardness:
3
Crystal System:
Orthorhombic
Name:
Named in 1957 by G. Branche, M.E. Ropert, F. Chantret, B. Morignat, and R. Pouget for Franceville, the city nearest the type locality.
Curienite-Francevillite Series.

Compare also the Carnotite Group.


Classification of FrancevilliteHide

IMA status:
Approved, 'Grandfathered' (first described prior to 1959)
Strunz 8th ed.:
7/E.11-100
Nickel-Strunz 10th (pending) ed.:
4.HB.15

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
H : V[5,6] Vanadates
B : Uranyl Sorovanodates
Dana 8th ed.:
40.2a.27.1

40 : HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
2a : AB2(XO4)2·xH2O, containing (UO2)2+
Hey's CIM Ref.:
21.4.10

21 : Vanadates (and vanadates with arsenate or phosphate)
4 : Vanadates of U, Mn, Fe or Ni

Physical Properties of FrancevilliteHide

Hardness:
3 on Mohs scale

Optical Data of FrancevilliteHide

Type:
Biaxial (-)
RI values:
nα = 1.750 - 1.785 nβ = 1.910 - 1.952 nγ = 1.945 - 2.002
2V:
Measured: 52° , Calculated: 46° to 52°
Max Birefringence:
δ = 0.195 - 0.217
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
strong

Chemical Properties of FrancevilliteHide

Formula:
Ba(UO2)2(VO4)2 · 5H2O
Elements listed:
Ba, H, O, U, V - search for minerals with similar chemistry

Crystallography of FrancevilliteHide

Crystal System:
Orthorhombic
Cell Parameters:
a = 10.41 Å, b = 8.51 Å, c = 16.76 Å
Ratio:
a:b:c = 1.223 : 1 : 1.969
Unit Cell V:
1,484.75 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.

Type Occurrence of FrancevilliteHide

Synonyms of FrancevilliteHide

Other Language Names for FrancevilliteHide

Relationship of Francevillite to other SpeciesHide

Member of:
Francevillite Group
Other Members of this group:
CurienitePb(UO2)2(VO4)2 · 5H2OOrth.
FritzscheiteMn(UO2)2(PO4,VO4)2 · 10H2O (?)Tet.
Chemically related to group(s):
Carnotite GroupA group of metal-uranyl vanadates.
Forms a series with:
CurieniteCurienite-Francevillite Series

Common AssociatesHide

Associated Minerals Based on Photo Data:
41 photos of Francevillite associated with CurienitePb(UO2)2(VO4)2 · 5H2O
30 photos of Francevillite associated with ChervetitePb2(V2O7)
16 photos of Francevillite associated with MounanaitePbFe3+2(VO4)2(OH,F)2
3 photos of Francevillite associated with CarnotiteK2(UO2)2(VO4)2 · 3H2O
2 photos of Francevillite associated with AutuniteCa(UO2)2(PO4)2 · 11H2O
2 photos of Francevillite associated with SeleniumSe
2 photos of Francevillite associated with Straczekite(Ca,K,Ba)(V5+,V4+)8O20 · 3H2O
1 photo of Francevillite associated with SchubneliteFe3+VO4 · H2O
1 photo of Francevillite associated with BariopharmacosideriteBa0.5Fe3+4(AsO4)3(OH)4 · 5H2O
1 photo of Francevillite associated with BarianditeAl0.6(V5+,V4+)8O20 · 9H2O

Related Minerals - Nickel-Strunz GroupingHide

4.HB.05CarnotiteK2(UO2)2(VO4)2 · 3H2OMon. 2/m : P21/b
4.HB.05Margaritasite(Cs,K,H3O)2(UO2)2(VO4)2 · H2OMon. 2/m : P21/b
4.HB.10SengieriteCu2(UO2)2(VO4)2 · 6H2OMon. 2/m : P21/b
4.HB.15CurienitePb(UO2)2(VO4)2 · 5H2OOrth.
4.HB.15FritzscheiteMn(UO2)2(PO4,VO4)2 · 10H2O (?)Tet.
4.HB.20MetavanuraliteAl(UO2)2(VO4)2(OH) · 8H2OTric.
4.HB.20VanuraliteAl(UO2)2(V2O8)(OH) · 11H2OMon.
4.HB.25MetatyuyamuniteCa(UO2)2(VO4)2 · 3-5H2OOrth. mmm (2/m 2/m 2/m)
4.HB.25TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2OOrth. mmm (2/m 2/m 2/m) : Pnna
4.HB.30StrelkiniteNa2(UO2)2(VO4)2 · 6H2OOrth.
4.HB.35UvaniteU6+2V5+6O21 · 15H2O (?)Orth.
4.HB.40RauviteCa(UO2)2(V10O28) · 16H2O

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

40.2a.27.2CurienitePb(UO2)2(VO4)2 · 5H2OOrth.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

21.4.1UvaniteU6+2V5+6O21 · 15H2O (?)Orth.
21.4.2Vanuranylite(H3O)2(UO2)2(VO4)2 · 4H2O
21.4.3StrelkiniteNa2(UO2)2(VO4)2 · 6H2OOrth.
21.4.4CarnotiteK2(UO2)2(VO4)2 · 3H2OMon. 2/m : P21/b
21.4.5Margaritasite(Cs,K,H3O)2(UO2)2(VO4)2 · H2OMon. 2/m : P21/b
21.4.6SengieriteCu2(UO2)2(VO4)2 · 6H2OMon. 2/m : P21/b
21.4.7MetatyuyamuniteCa(UO2)2(VO4)2 · 3-5H2OOrth. mmm (2/m 2/m 2/m)
21.4.8TyuyamuniteCa(UO2)2(VO4)2 · 5-8H2OOrth. mmm (2/m 2/m 2/m) : Pnna
21.4.9RauviteCa(UO2)2(V10O28) · 16H2O
21.4.11MetavanuraliteAl(UO2)2(VO4)2(OH) · 8H2OTric.
21.4.12VanuraliteAl(UO2)2(V2O8)(OH) · 11H2OMon.
21.4.13CurienitePb(UO2)2(VO4)2 · 5H2OOrth.
21.4.14FritzscheiteMn(UO2)2(PO4,VO4)2 · 10H2O (?)Tet.
21.4.15Palenzonaite(NaCa2)Mn2+2(VO4)3Iso. m3m (4/m 3 2/m) : Ia3d
21.4.16Santafeite(Na,Ca,Sr)12(Mn2+,Fe3+,Al,Mg)8Mn4+8(VO4)16(OH,O)20 · 8H2OOrth. mmm (2/m 2/m 2/m)
21.4.17PyrobelonitePbMn2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m) : Pnma
21.4.18BrackebuschitePb2Mn3+(VO4)2(OH)Mon. 2/m : P21/m
21.4.19ČechitePbFe2+(VO4)(OH)Orth. mmm (2/m 2/m 2/m)
21.4.20HeyitePb5Fe2+2(VO4)2O4Mon.
21.4.21MounanaitePbFe3+2(VO4)2(OH,F)2Mon. 2/m : B2/m
21.4.22SchubneliteFe3+VO4 · H2OTric.
21.4.23FervaniteFe3+4V5+4O16 · 5H2OMon.
21.4.24KazakhstaniteFe3+5V4+3V5+12O39(OH)9 · 9H2OMon.
21.4.25Bokite(Al,Fe3+)1.3(V5+,V4+,Fe3+)8O20 · 7.4H2OMon.
21.4.26Rusakovite(Fe3+,Al)5(VO4,PO4)2(OH)9 · 3H2O
21.4.27KolovratiteNixZny(VO4)0.67(x+y) · nH2O

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 FrancevilliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Branche, G., Ropert, M.E., Chantret, F., Morignat, B., Pouget, R. (1957) La francevillite, nouveau minéral uranifère. Comptes Rendus Hebdomadaires des Séances de l’Académie des Sciences: 245: 89-91. (in French)
Fleischer, M. (1958) New mineral names. American Mineralogist: 43: 180.
Mereiter, K. (1986) Crystal structure refinements of two francevillites, (Ba,Pb)[(UO2)2V2O8]·5H2O. Neues Jahrbuch für Mineralogie, Monatshefte: 552-560.
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.

Internet Links for FrancevilliteHide

Localities for FrancevilliteHide

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
    • Roper Gulf Region
Henry, D.A., Pogson, R.E. and Williams, P.A. (2005) Threadgoldite from the South Alligator Valley uranium field, Northern Territory, Australia: second world occurrence. , Australian Journal of Mineralogy, 11, 7-11
  • South Australia
    • Olary Province
      • Radium Hill area
Canada
 
  • Prince Edward Island
Rose, E.R. (1973) Geology of vanadium and vanadiferous occurrences. Geological Survey of Canada, Economic Geology Reports. 27, 130p.
  • Québec
    • Nord-du-Québec
      • Baie-James
        • Otish Mountains
SASSANO, G. & ROCHELEAU, M. (1987) Quelques minéraux d'uranium des Bassin d'Otish et de Mistassini, Québec. Canadian Mineralogist 25, 185-193.
China
 
  • Hunan
    • Huaihua
      • Xupu Co.
National Geological Archives of China database, record no. 51092
Czech Republic
 
  • Pardubice Region
    • Ústí nad Orlicí District
      • Žamberk
Pauliš, P., Moravec, B.: Francevillit z Litic n. Orlicí. Časopis pro mineralogii a geologii, 1990, roč. 35, č. 4, s. 425-427.
DR Congo
 
  • Haut-Katanga
    • Kambove District
Deliens, M. (1996) Overzicht van de mineralogie van de koper-, kobalt- en uraniumvoorkomens in Zuid-Shaba (Zaïre). Pages 35-49 in: Schatten der Aarde. Van mineraal tot juweel. Tentoonstelling in de abdij Saint-Gérard de Brogne van 27 april tot 27 oktober 1996. Catalogus opgemaakt onder de leiding van R. Warin, AGAB en P. Van hee, MKA (in Dutch).
  • Lualaba
    • Kolwezi mining district
MinRec 20:287-288
      • Kolwezi
Wilson, W. E. (2018) The Musonoi mine, Kolwezi District, Lualaba Province, Democratic Republic of the Congo. Mineralogical Record 49:236-304
France
 
  • Auvergne-Rhône-Alpes
    • Allier
      • Ébreuil
        • Échassières
Le Règne Minéral, (33), 5-25.
    • Cantal
      • Mauriac
        • Champagnac
J.-J. Périchaud: "Les Minéraux d'Auvergne", Vol. 2, 1986
    • Puy-de-Dôme
      • Olloix
H. Agrinier and J. Geffroy : "Les Minéraux Séléniés du Point Uranifère de Liauzun-en-Olloix (Puy de Dôme) : Clausthalite, Sélénium Natif, Sélénite de Plomb et Chalcoménite", Bull. Soc. Fr. Minéral. Cristallogr., 1967, XC, N°3, 383-386
  • Grand Est
    • Vosges
      • Gérardmer
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
  • Occitanie
    • Aveyron
Le Règne Minéral, Hors Série IV, 1998
      • Gages
Le Règne Minéral, Hors Série IV, 1998
  • Provence-Alpes-Côte d'Azur
    • Var
      • Le Pradet
Le Règne Minéral, Hors Série IV, 1998
Gabon
 
  • Haut-Ogooué Province
    • Franceville
C.R.Acad.Sci.Paris (1957) 245, 89-91
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
    • Freiburg
      • Ortenaukreis
        • Oberwolfach
Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German); WALENTA, K. (1993): Neue Mineralfunde von der Grube Clara (5. Folge). - Lapis 18 (1), 16-23; KOLITSCH, U. & GÖTZINGER, M. (2000): Einige Neufunde aus der Grube Clara im mittleren Schwarzwald: Eulytin, Namibit, Volborthit, Gearksutit, Spertiniit, Monazit-(La), Protasit, Sainfeldit, Cyanotrichit und Vauquelinit. - Erzgräber 14, 33-47; Gröbner, J., Kolitsch, U. und Bayerl, R. (2005): Interessante Uranmineralien im Stinkspat der Grube Clara. Lapis 30 (10), 34-39; 90; Gröbner, J., Bayerl, R. und Kolitsch, U. (2006): Weitere Beobachtungen zu den Uran- und Vanadium-Paragenesen der Grube Clara aus den Jahren 2002, 2004 und 2005. Erzgräber 20, 1-10
      • Schwarzwald-Baar-Kreis
        • Triberg im Schwarzwald
          • Nußbach
No reference listed
  • Bavaria
    • Lower Franconia
      • Aschaffenburg
        • Dörrmorsbach
A. Wittern: "Mineralfundorte in Deutschland", Schweizerbart (Stuttgart), 2001
  • Rhineland-Palatinate
    • Donnersbergkreis
      • Winnweiler
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Vogtlandkreis
Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
Italy
 
  • Trentino-Alto Adige
    • Trento Province (Trentino)
      • Giudicarie Valleys
        • Rendena Valley
          • Bocenago & Spiazzo
 Campostrini I.(2013): Minerali secondari dei giacimenti uraniferi nelle Arenarie di Val Gardena del Trentino occidentale (Alpi Meridionali, Italia). Studi Trent. Sci. Nat., 93, pagg. 89-114.
Kazakhstan
 
  • Almaty Region
    • Middle Ili River
      • Dzharkenskaya Depression
Pavel M. Kartashov data
Kyrgyzstan
 
  • Osh Region
    • Aravan District
Mauritania
 
  • Dakhlet Nouadhibou Region
    • Chami
Mauritanian Geological Survey (1995) database
Mauritanian Geological Survey (1995) database
  • Tiris Zemmour Region
    • Bel Guerdan
Mauritanian Geological Survey (1995) database
Morocco
 
  • Marrakesh-Safi Region
    • El Kelaâ des Sraghna Province
      • Youssoufia
W.Paar (1974)
Niger
 
  • Agadez
    • Arlit
J. P. le Roux and P. D. Toens (1987) in Gondwana six: stratigraphy, sedimentology, and paleontology, Volume 2 edited by Garry D. MacKenzie American Geophysical Union pp 139-146
Russia
 
  • Aldan Shield
    • Chara and Tokko Rivers Confluence
Pavel M. Kartashov data
  • Republic of Karelia
    • Lake Onega
      • Zaonezhie peninsula
        • Velikaya Guba uran-vanadium deposit
Pavel M. Kartashov data
Slovenia
 
  • Upper Carniola Region
    • Gorenja Vas–Poljane
Dolenec, T. (1985): Secondary uranium minerals from the Zirovski Vrh uranium ore deposit. Rudarsko-Metalurski Zbornik 32, 195-206 (in Serbo-Croatian)
South Korea
 
  • South Chungcheong Province
    • Geumsan County
Cheong, C. S., Jeong, G. Y., Kim, H., Choi, M. S., Lee, S. H., & Cho, M. (2003). Early Permian peak metamorphism recorded in U–Pb system of black slates from the Ogcheon metamorphic belt, South Korea, and its tectonic implication. Chemical Geology, 193(1), 81-92.
Spain
 
  • Extremadura
    • Badajoz
      • Mérida
        • Carija hill
Calvo, M. (2009): Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp
UK
 
  • England
    • Cornwall
      • St Stephen-in-Brannel
Embrey, P.G. (1978) Fourth supplementary list of British minerals. Mineralogical Magazine, vol. 42, n° 322, 169-177.; Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
USA
 
  • Montana
    • Big Horn Co.
Anita Moore-Nall and David R. Lageson (2015) Elevated REE in Ore Minerals of the Pryor Mountain Mining District, South Central Montana. 2015 Mining and Mineral Symposium, Montana Bureau of Mines and Geology pp47-49.
Anita Moore-Nall and David R. Lageson (2015) Elevated REE in Ore Minerals of the Pryor Mountain Mining District, South Central Montana. 2015 Mining and Mineral Symposium, Montana Bureau of Mines and Geology pp47-49.
  • Pennsylvania
    • Carbon Co.
  • Utah
    • San Juan Co.
      • La Sal Mountains
        • La Sal Mining District (Paradox Valley Mining District)
          • La Sal
Zimbabwe
 
  • Matabeleland North
    • Binga District (Sebungwe District)
      • Lubimbi Hot Springs
Gallagher M. J. (1966): Francevillite from Rhodesia.- Bulletin of the Geological Survey of Great Britain, Vol. 25, (page 92).
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