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Curite

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Pierre Curie
Formula:
Pb3(UO2)8O8(OH)6 · 3H2O
System:
Orthorhombic
Colour:
Deep to light ...
Hardness:
4 - 5
Name:
After Pierre Curie (1859-1906), French physicist, famous for his research with his wife, Marie Sklodowska-Curie, on radioactivity.
This page provides mineralogical data about Curite.

Classification of Curite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
4.GB.55

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
5.9.3.1

5 : OXIDES CONTAINING URANIUM OR THORIUM
9 : Miscellaneous
7.16.26

7 : Oxides and Hydroxides
16 : Oxides of U
mindat.org URL:
http://www.mindat.org/min-1197.html
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Type Occurrence of Curite

Place of Conservation of Type Material:
Natural History Museum, Paris France
Year of Discovery:
1921

Occurrences of Curite

Geological Setting:
Secondary mineral formed by the alteration of uraninite

Physical Properties of Curite

Adamantine
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Deep to light red-orange, orange, scarlet, yellow
Streak:
Orange
Hardness (Mohs):
4 - 5
Tenacity:
Brittle
Cleavage:
Imperfect/Fair
On {100}
Density:
6.98 - 7.4 g/cm3 (Measured)    7.37 g/cm3 (Calculated)

Crystallography of Curite

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Space Group Setting:
Pnma
Cell Parameters:
a = 12.551Å, b = 7.008Å, c = 6.983Å
Ratio:
a:b:c = 1.791 : 1 : 0.996
Unit Cell Volume:
V 614.21 ų (Calculated from Unit Cell)
Z:
2
Morphology:
Crystals prismatic [001] and striated [001]. Massive. In aggregates of fine needles or saccharoidal. Compact earthy.

Optical Data of Curite

Type:
Biaxial (-)
RI values:
nα = 2.060 nβ = 2.110 nγ = 2.150
2V:
Measured: 70° , Calculated: 80°
Max Birefringence:
δ = 0.090
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
r < v strong
Pleochroism:
Visible
Comments:
X = b = pale yellow
Y = a = light red-orange
Z = c = dark red-orange

Chemical Properties of Curite

Formula:
Pb3(UO2)8O8(OH)6 · 3H2O
Essential elements:
All elements listed in formula:

Relationship of Curite to other Species

4.GB.05AgrinieriteK2(Ca,Sr)(UO2)3O3(OH)2·5H2O
4.GB.05CompreignaciteK2(UO2)6O4(OH)6 · 7H2O
4.GB.05RameauiteK2Ca(UO2)6(OH)16 · H2O
4.GB.10BecquereliteCa(UO2)6O4(OH)6 · 8H2O
4.GB.10BillietiteBa(UO2)6O4(OH)6 · 4-8H2O
4.GB.10ProtasiteBa(UO2)3O3(OH)2 · 3H2O
4.GB.15RichetitePb(UO2)4O5 · 4H2O
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 · 4H2O
4.GB.30Wölsendorfite(Pb,Ca)U2O7 · 2H2O
4.GB.35MasuyitePb(UO2)3O3(OH)2 · 3H2O
4.GB.40MetavandendriesscheitePbU7O22 · nH2O n < 12
4.GB.40VandendriesscheitePbU7O22 · 12H2O
4.GB.45VandenbrandeiteCu(UO2)(OH)4
4.GB.50SayritePb2(UO2)5O6(OH)2 · 4H2O
4.GB.60Iriginite(UO2)Mo2O7 · 3H2O
4.GB.65UranosphaeriteBi(UO2)O2(OH)
4.GB.70HolfertiteCaxU6+2-xTi(O8-xOH4x) · 3H2O
7.16.1UraniniteUO2
7.16.2Schoepite(UO2)8O2(OH)12 · 12H2O
7.16.3ParaschoepiteUO3 · 2H2O
7.16.4MetaschoepiteUO3 · 1-2H2O
7.16.5MetastudtiteUO4 · 2H2O
7.16.6Studtite[(UO2)(O2)(H2O)2] · H2O
7.16.7IanthiniteU4+(UO2)5O7 · 10H2O
7.16.8CompreignaciteK2(UO2)6O4(OH)6 · 7H2O
7.16.9VandenbrandeiteCu(UO2)(OH)4
7.16.10RoubaultiteCu2(UO2)3(OH)10 · 5H2O
7.16.11BecquereliteCa(UO2)6O4(OH)6 · 8H2O
7.16.12RameauiteK2Ca(UO2)6(OH)16 · H2O
7.16.13AgrinieriteK2(Ca,Sr)(UO2)3O3(OH)2·5H2O
7.16.14ProtasiteBa(UO2)3O3(OH)2 · 3H2O
7.16.15BillietiteBa(UO2)6O4(OH)6 · 4-8H2O
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)2
7.16.20Thorutite(Th,U,Ca)Ti2(O,OH)6
7.16.21Davidite-(La)(La,Ce)(Y,U,Fe)(Ti,Fe)20(O,OH)38
7.16.22Davidite-(Ce)(Ce,La)(Y,U,Fe)(Ti,Fe)20(O,OH)38
7.16.23Brannerite(U4+,REE,Th,Ca)(Ti,Fe3+,Nb)2(O,OH)6
7.16.24FourmarieritePb(UO2)4O3(OH)4 · 4H2O
7.16.25RichetitePb(UO2)4O5 · 4H2O
7.16.27MasuyitePb(UO2)3O3(OH)2 · 3H2O
7.16.28VandendriesscheitePbU7O22 · 12H2O
7.16.29MetavandendriesscheitePbU7O22 · nH2O n < 12
7.16.30SayritePb2(UO2)5O6(OH)2 · 4H2O
7.16.31Wölsendorfite(Pb,Ca)U2O7 · 2H2O
7.16.32Clarkeite(Na,Ca,Pb)(UO2)O(OH) · 0-1H2O
7.16.33UranosphaeriteBi(UO2)O2(OH)

Other Names for Curite

Name in Other Languages:
German:Curit
Russian:Кюрит
Spanish:Curita

Other Information

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 Curite

Reference List:
Schoep, A. (1921): C.R.: 173: 1186.

American Mineralogist (1922): 7: 128.

Schoep, A. (1930), Ann. us. Congo belge: 1(2), er. 1: 22.

Palache, C. (1934), American Mineralogist: 19: 309.

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: 629-631.

Canadian Mineralogist (2000): 38: 727-735.

Tschermaks Mineralogische und Petrographische Mitteilungen: 26: 279-292.

Li, Y. and P.C. Burns (2000b), Investigations of crystal-chemical variation in lead uranyl oxide hydrates. I. Curite: Canadian Mineralogist: 38: 727-735.

Kubatko, Karrie-Ann, Katheryn Helean, Alexandra Navrotsky, and Peter C. Burns (2006), Thermodynamics of uranyl minerals: Enthalpies of formation of uranyl oxide hydrates: American Mineralogist: 91: 658-666.

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 Curite

Localities for Curite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Australia
 
  • Northern Territory
    • West Arnhem Region
      • Kakadu
Waite & Payne (1993) Uranium Transport in the subsurface environment - Koongara - a case study in Metals in Groundwater H. Allen et al ed. CRC Press
Frost, Ray L. and Cejka, Jiri and Ayoko, Godwin A. and Weier, Matt L. (2007) Vibrational spectroscopic study of hydrated uranyl oxide: curite. Polyhedron 26(14):pp. 3724-3730.
Econ Geol (1987)82:1152-1168; Angela Giblin (2004) Alligator Rivers Uranium deposits (Koongarra, Nabarlek and Ranger One) Northern Territory. CRC LEME
      • South Alligator River
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
Canada
 
  • Northwest Territories
    • Mackenzie District
      • Great Bear Lake
Rod Tyson, The Port Radium District, Northwest Territories, Canada Mineralogical Record (1989) vol.20. #3, pp 201-208 .
  • Ontario
    • Haliburton Co.
      • Cardiff Township
Trail,R.J. 1980, Catalogue of Canadian Minerals, GSC Paper 80-18
Reiner Mielke 2013
  • Saskatchewan
    • Lac La Ronge
Sabina, A.P. (1972) Rocks & minerals for the collector: La Ronge - Creighton, Saskatchewan, Flin Flon, Thompson, Manitoba. GSC paper 71-27, 65.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Plzeň Region
      • Tachov
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Moravia (Mähren; Maehren)
    • Vysočina Region
      • Žďár nad Sázavou
Mineralienwelt 1993(1), 13
Petr Pauliš
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Kolwezi District
        • Kamoto
        • Kolwezi
No reference listed
      • Lubumbashi (Elizabethville)
      • Shinkolobwe
C. R. Acad. Sci. Paris (1921). 173, 1186-1187.
      • Swambo
Can Min 38:727-735
Egypt
 
  • Red Sea Governorate
    • Northeastern Desert
Finland
 
  • Lapland Region
Ilkka Mikkola collection
France
 
  • Alsace
    • Haut-Rhin
      • Thur valley (Thann valley)
        • Kruth
Le Règne Minéral, Hors Série IV (1998)
  • Auvergne
    • Puy-de-Dôme
      • Thiers
        • Saint-Rémy-sur-Durolle
J. Chervet and G. Branche : "Contribution à l'Etude des Minéraux Secondaires d'Uranium Français", ENSG, Nancy, 1955
  • Brittany
    • Morbihan
      • Lignol
Le Règne Minéral, Hors Série IV, 1998
      • Pontivy
        • Guern
Le Règne Minéral, Hors Série IV (1998)
  • Limousin
    • Creuse
      • Soumans
        • Montebras
Patureau, J., Chiappero, P-J. & Lebocey, J. (2011): Mines et minéraux de Montebras, Soumans, Creuse. Le Règne Minéral. 99, 5-33
    • Haute-Vienne
      • Compreignac
Le Règne Minéral, Hors Série IV (1998)
      • Saint-Sylvestre
Le Règne Minéral, Hors Série IV, 1998
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Menzenschwand
Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Schenkenzell
        • Wittichen
          • Böckelsbach valley
Markl, G. & Slotta, C. (2011): Die Uranmineralien des Lagerstättenreviers Wittichen im mittleren Schwarzwald. Lapis 36 (3), 25-37; 54 (in German).
  • Bavaria
    • Upper Palatinate
      • Mähring
        • Uranium deposit
Weiss: "Mineralfundstellen, Deutschland West", 1990
      • Wölsendorf Fluorite Mining District
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Rhineland-Palatinate
    • Hunsrück
      • Birkenfeld
        • Ellweiler
Aufschluss 69/(7+8), Lapis 79/(7+8)
  • Saxony
    • Erzgebirge
      • Johanngeorgenstadt District
Wittern: "Mineralfundorte in Deutschland", 2001
Lapis 30(7/8):78-80 (2005)
    • Vogtland
      • Oelsnitz
Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
Hungary
 
  • Baranya Co.
    • Mecsek Mts
Koch: Minerals of Hungary, 1985
  • Heves Co.
    • Bükk Mts
      • Nagyvisnyó
GEODA 2004
Italy
 
  • Lombardy
    • Bergamo Province
      • Seriana Valley
        • Valgoglio
Daniele Ravagnani - I giacimenti uraniferi italiani - Gruppo Min. Lombardo - Museo Civico di Storia Naturale di Milani, 1974
  • 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).
Madagascar
 
  • Fianarantsoa Province
    • Matsiatra Region
      • Ampandramaika-Malakialina Pegmatite Field
        • Ikalamavony District
          • Fitampito Commune
            • Andanoa
Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, 78p.
Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 32
Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p.32
Behier, J. (1960): Travaux mineralogiques. In Besaire, H. (ed): Rapport Annuel du Service Geologique pour 1960. Republique Madagascar, Tananarive. 181-199
Norway
 
  • Aust-Agder
    • Gjerstad
Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p 90
  • Rogaland
    • Vindafjord
      • Vats
        • Øvre Vats
Knut Edvard Larsen collection # MM-5380
  • 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
Pavel M. Kartashov analytical data 2012
  • Northern Region
    • Karelia Republic
      • Northern Karelia
P.M. Kartashov data
South Africa
 
  • Free State Province
    • Witwatersrand field
Fuchs, S. et al (2015) The growth and concentration of uranium and titanium minerals in hydrocarbons of the Carbon Leader Reef, Witwatersrand Supergroup, South Africa. Chemical Geology, Vol 393–394, 55–66.
  • Northern Cape Province
    • Namakwa District (Namaqualand)
Minerals of South Africa
USA
 
  • Colorado
    • Grand Co.
      • Wheeler Basin
Minerals of Colorado (1997) Eckels, E. B.
    • Park Co.
      • Lake George (Badger Flats) Area
Minerals of Colorado (1997) Eckels, E. B.
  • Montana
    • Silver Bow Co.
USGS Bull 574
  • New Hampshire
    • Cheshire Co.
      • Marlow
Personal collection and XRD analysis by Fred E Davis
    • Grafton Co.
      • Grafton
Seaman, David (1976) Pegmatite Minerals of the World
  • New Mexico
    • McKinley Co.
      • Grants District
New Mexico Bureau of Mines and Mineral Resources, Mineral Museum no. 13134
Mineral and/or Locality  
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