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Uranosphaerite

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About UranosphaeriteHide

Formula:
Bi(UO2)O2(OH)
Colour:
Yellow-orange, reddish orange, brick red
Lustre:
Greasy
Hardness:
2 - 3
Specific Gravity:
6.36
Crystal System:
Monoclinic
Name:
From uranium plus Greek "sphaira", sphere, alluding to its composition and occurrence in ball-like masses.
This page provides mineralogical data about Uranosphaerite.


Classification of UranosphaeriteHide

Approved, 'Grandfathered' (first described prior to 1959)
4.GB.65

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
5.9.1.1

5 : OXIDES CONTAINING URANIUM OR THORIUM
9 : Miscellaneous
7.16.33

7 : Oxides and Hydroxides
16 : Oxides of U

Physical Properties of UranosphaeriteHide

Greasy
Colour:
Yellow-orange, reddish orange, brick red
Streak:
Light orange
Hardness:
2 - 3 on Mohs scale
Density:
6.36 g/cm3 (Measured)    

Optical Data of UranosphaeriteHide

Type:
Biaxial (+)
RI values:
nα = 1.959 nβ = 1.981 nγ = 2.060
2V:
Measured: 56° , Calculated: 58°
Max Birefringence:
δ = 0.101
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 UranosphaeriteHide

Formula:
Bi(UO2)O2(OH)

Crystallography of UranosphaeriteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 7.559 Å, b = 7.811 Å, c = 7.693 Å
β = 92.88°
Ratio:
a:b:c = 0.968 : 1 : 0.985
Unit Cell V:
453.6 ų
Z:
4
Morphology:
Hemispherical aggregate forms comprised of minute, acutely terminated crystals elongated [001]. Concentric and radiated structures.

Type Occurrence of UranosphaeriteHide

Synonyms of UranosphaeriteHide

Other Language Names for UranosphaeriteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
Torbernite10 photos of Uranosphaerite associated with Torbernite on mindat.org.
Zeunerite3 photos of Uranosphaerite associated with Zeunerite on mindat.org.
Uranophane2 photos of Uranosphaerite associated with Uranophane on mindat.org.
Bismutite1 photo of Uranosphaerite associated with Bismutite 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.30WölsendorfitePb7(UO2)14O19(OH)4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
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.70HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2OTrig. 3 : P3

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.
7.16.4Metaschoepite(UO2)8O2(OH)12 · 10H2OOrth. 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.
7.16.31WölsendorfitePb7(UO2)14O19(OH)4 · 12H2OOrth. mmm (2/m 2/m 2/m) : Cmcm
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2OTrig.

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 UranosphaeriteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Weisbach, A. (1873): Neue Uranerze von Neustädtel bei Schneeberg.- Jahrbuch für das Berg- und Hüttenwesen im Königreiche Sachsen, Abhandlungen, 119-121.
Winkler (1873), J. pr. Chem.: 7: 5.
Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 631.
Protas, J. (1959): Contribution à l'étude des oxydes d'uranium hydratés. Bulletin de la Société française de Minéralogie et de Cristallographie: 82, 239-272 (in French).
Science (1965): 149: 742-744.
Hughes, K.-A., Burns, P.C. and Kolitsch, U. (2003): Crystal structure and crystal chemistry of uranosphaerite, Bi(UO2)O2OH. Canadian Mineralogist: 41: 677-685.
Burns, P.C. (2005) U 6+ minerals and inorganic compounds: insights into an expanded structural hierarchy of crystal structures. Canadian Mineralogist: 43: 1839-1894.
Sejkora, J., Cejka, J. & Kolitsch, U. (2008): Uranosphaerite from Horni Halze near Medenec (Krusne hory Mountains, Czech Republic): description and vibrational characteristics. Neues Jb. Mineral. Abh. 185, 91-98.

Internet Links for UranosphaeriteHide

Localities for UranosphaeriteHide

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
    • Coomalie Shire
      • Batchelor
        • Rum Jungle
D A Berkman (1968) The geology of the Rum Jungle Uranium Deposits. Symposium on Uranium Deposits in Australia 1968 pp.12-31
  • South Australia
    • Flinders Ranges
      • North Flinders Ranges
        • Arkaroola Region (Arkaroola Wilderness Sanctuary; Arkaroola Station)
          • Mt Painter area
Coats & Blissett (1971); Brugger, J. et al. (2004)
Belgium
 
  • Luxembourg Province
    • Wellin
Jacques Jedwab collection
Czech Republic
 
  • Karlovy Vary Region
    • Krušné Hory Mts (Erzgebirge)
      • Jáchymov District (St Joachimsthal)
Lapis 2002(7/8), 63-65
    • Mariánské Lázně (Marienbad)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Liberec Region
    • Harrachov (Harrachsdorf)
Sejkora, j., Veselovský, F., Šrein, V.: The supergene mineralization of uranium occurence Rýžoviště near Harrachov (Krkonoše Mts., Czech republic). Acta Mus. Nat. Prague, Ser. B, Hist. nat., 1994, 50, p. 55-91.
  • Plzeň Region
    • Planá u Mariánských Lázní (Plan)
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Ústí Region
    • Krušné Hory Mts (Erzgebirge)
      • Klášterec nad Ohří
Sejkora, Jiří; Čejka, Jiří (2007), Šreinite from Horní Halže, the Krušné hory Mountains, Czech Republic, a new mineral species, its comparison with asselbornite from Schneeberg, and new data for asselbornite. Neues Jahrbuch für Mineralogie - Abhandlungen, Volume 184(2), 197-206; J. Sejkora, J. Čejka and U. Kolitsch (2008): Uranosphaerite from Horní Halže near Mědenec (Krušné hory Mountains, Czech Republic): description and vibrational characteristics. N. Jb. Mineral. Abh. 185, 91-98.
France
 
  • Brittany
    • Morbihan
      • Guern
R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
      • Lignol
Le Règne Minéral, Hors Série IV, 1998
  • Nouvelle-Aquitaine
    • Creuse
      • Crozant
Le Règne Minéral, Hors Série IV, 1998
Le Règne Minéral, Hors Série IV, 1998
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Wolfach
        • Oberwolfach
          • Rankach valley
WALENTA, K. (1999): Neue Mineralfunde von der Grube Clara. 8. Folge, 1. Teil. Lapis 24 (11), 34-37; SLOTTA, C. (2004): Neufund 2004: Roter Uranosphärit von der Grube Clara. – Lapis 29 (11), 44.
  • Bavaria
    • Franconia
      • Fichtelgebirge
        • Weißenstadt
          • Großschloppen
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Upper Palatinate
      • Waidhaus
        • Hagendorf
Schnorrer, G., Kronz, A. & Pascher,G. (2003): Cheralith, Monazit und Xenotim - drei neue Minerale der Xenotim-Monazit-Gruppe sowie Uranosphaerit, ein sekundäres Wismut-Uran-Mineral vom ehemaligen Phosphatpegmatit Hagendorf-Süd/Oberpfalz. Aufschluss, 54, 267-272. (in German)
  • Saxony
    • Erzgebirge
      • Ehrenfriedersdorf
        • Geyer
Wittern: "Mineralfundorte in Deutschland", 2001
      • Johanngeorgenstadt District
Wittern: "Mineralfundorte in Deutschland", 2001
      • Schneeberg District
        • Neustädtel
          • Weißer Hirsch Mine (Shaft 3)
A. Weisbach (1873): Neue Uranerze von Neustädtel bei Schneeberg.- Jahrbuch für das Berg- und Hüttenwesen im Königreiche Sachsen, Abhandlungen, 119-121; 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: 967.
Mineral and/or Locality  
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