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Cuprosklodowskite

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Formula:
Cu(UO2)2[HSiO4]2 · 6H2O
System:
Triclinic
Colour:
Yellowish green to grass ...
Hardness:
4
Name:
Mistaken belief that the mineral was the copper analogue of Sklodowskite.
This page provides mineralogical data about Cuprosklodowskite.

Classification of Cuprosklodowskite

Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
9.AK.10

9 : SILICATES (Germanates)
A : Nesosilicates
K : Uranyl neso- and polysilicates
53.3.1.4

53 : NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
3 : Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
14.16.8

14 : Silicates not Containing Aluminum
16 : Silicates of U
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Type Occurrence of Cuprosklodowskite

Year of Discovery:
1933

Occurrences of Cuprosklodowskite

Geological Setting:
Secondary mineral in uranium depposits

Physical Properties of Cuprosklodowskite

Silky, Dull
Diaphaneity (Transparency):
Transparent, Translucent
Colour:
Yellowish green to grass green or greenish yellow
Hardness (Mohs):
4
Cleavage:
Distinct/Good
{100}
Density:
3.85(2) g/cm3 (Measured)    3.83 g/cm3 (Calculated)

Crystallography of Cuprosklodowskite

Crystal System:
Triclinic
Class (H-M):
1 - Pinacoidal
Space Group:
P1
Cell Parameters:
a = 7.052(5) Å, b = 9.267(8) Å, c = 6.655(5) Å
α = 109.23°, β = 89.84°, γ = 110.01°
Ratio:
a:b:c = 0.761 : 1 : 0.718
Z:
1
Morphology:
Needles

Optical Data of Cuprosklodowskite

Type:
Biaxial (-)
RI values:
nα = 1.654 - 1.655 nβ = 1.664 - 1.667 nγ = 1.664 - 1.667
Max Birefringence:
δ = 0.010 - 0.012
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r > v
Pleochroism:
Visible
Comments:
X= nearly colorless
Y=Z= yellowish green

Chemical Properties of Cuprosklodowskite

Formula:
Cu(UO2)2[HSiO4]2 · 6H2O
Essential elements:
All elements listed in formula:

Relationship of Cuprosklodowskite to other Species

9.AK.05Soddyite(UO2)2SiO4 · 2H2O
9.AK.10Oursinite(Co,Mg)(UO2)2[HSiO4]2 · 6H2O
9.AK.10SklodowskiteMg(UO2)2[HSiO4]2 · 5H2O
9.AK.15Boltwoodite(K,Na)(UO2)[HSiO4] · 0.5H2O
9.AK.15KasolitePb(UO2)[SiO4] · H2O
9.AK.15Natroboltwoodite(H3O)(Na,K)UO2SiO4 · H2O
9.AK.15Uranophane-βCa(UO2)2(HSiO4)2 · 5H2O
9.AK.15UranophaneCa(UO2)2[HSiO4]2 · 5H2O
9.AK.15Beta-Uranophane
9.AK.20SwamboiteUH6(UO2)6(SiO4)6 · 30H2O
9.AK.25HaiweeiteCa(UO2)2[Si5O12(OH)2] · 6H2O
9.AK.25MetahaiweeiteCa(UO2)2Si6O15 · nH2O
9.AK.25Ranquilite
9.AK.30WeeksiteK2(UO2)2(Si5O13) · 4H2O
9.AK.30CoutinhoiteThxBa(1-2x)(UO2)2Si5O13 · (H2O)1+y (0 < x < 0.5 and 0 < y < (2+x))
9.AK.35Ursilite(Mg,Ca)4(UO2)4(Si2O5)5.5(OH)5 · 13H2O
9.AK.35MagnioursiliteMg4(UO2)4(Si2O5)5(OH)6 · 20H2O
9.AK.35CalcioursiliteCa4(UO2)4(Si2O5)5(OH)6 · 15H2O
9.AK.40UranosiliteUO3 · 7SiO2
14.16.1UranosiliteUO3 · 7SiO2
14.16.2Coffinite(U4+,Th)(SiO4)1-x(OH)4x
14.16.3Soddyite(UO2)2SiO4 · 2H2O
14.16.4SwamboiteUH6(UO2)6(SiO4)6 · 30H2O
14.16.5WeeksiteK2(UO2)2(Si5O13) · 4H2O
14.16.6Boltwoodite(K,Na)(UO2)[HSiO4] · 0.5H2O
14.16.7Natroboltwoodite(H3O)(Na,K)UO2SiO4 · H2O
14.16.9SklodowskiteMg(UO2)2[HSiO4]2 · 5H2O
14.16.10UranophaneCa(UO2)2[HSiO4]2 · 5H2O
14.16.11Uranophane-βCa(UO2)2(HSiO4)2 · 5H2O
14.16.12HaiweeiteCa(UO2)2[Si5O12(OH)2] · 6H2O
14.16.13MetahaiweeiteCa(UO2)2Si6O15 · nH2O
14.16.15Steacyite(◻,K)(Na,Ca)2(Th,U)[Si8O20]
14.16.16Ekanite(Ca,Fe2+,Pb)2(Th,U)[Si8O20]
14.16.17KasolitePb(UO2)[SiO4] · H2O
14.16.18OrlitePb3(UO2)3(Si2O7)2 · 6H2O
14.16.19Oursinite(Co,Mg)(UO2)2[HSiO4]2 · 6H2O

Other Names for Cuprosklodowskite

Name in Other Languages:

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 Cuprosklodowskite

Reference List:
Rosenzweig, A. and Ryan, R.R. (1975) Refinement of the crystal structure of cuprosklodowskite, Cu[(UO2)2(SiO3OH)2].6H2O. American Mineralogist: 60: 448-453.

American Mineralogist: 66: 610-625.

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 Cuprosklodowskite

Localities for Cuprosklodowskite

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.
Argentina
 
  • La Rioja
    • Coronel Felipe Varela department
      • Guandacol
Lucero, H. N., Díez, D. y Timoneri, A. (1963). Contribución al conocimiento de algunas manifestaciones uraníferas en la provincias de Córdoba, La Rioja y San Luis. Anales de las segundas Jornadas Geológicas Argentinas, Salta, Argentina.
Lucero, H. N., Díez, D. y Timoneri, A. (1963). Contribución al conocimiento de algunas manifestaciones uraníferas en la provincias de Córdoba, La Rioja y San Luis. Anales de las segundas Jornadas Geológicas Argentinas, Salta, Argentina.
American Mineralogist: 46: 12-25.
  • Mendoza
    • Malargüe Department
      • Pampa Amarilla District
American Mineralogist: 51: 1-13
Canada
 
  • Northwest Territories
    • Mackenzie District
      • Great Bear Lake
Cowan, L.I. (1962): Cuprosklodowskite, kasolite and schoepite from Great Bear Lake, Northwest Territories, Canada. Can. Mineral. 7, 331-332.
Czech Republic
 
  • Bohemia (Böhmen; Boehmen)
    • Central Bohemia Region
      • Příbram
        • 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)
Ondruš, P. & Hyršl, J. (1989): New finds and revision of secondary minerals from Příbram district. Acta Universitatis Carolinae, Geologica 1989, 521-533.; Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
    • Karlovy Vary Region
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
Plašil J, Sejkora J, Ondruš P, Veselovský F, Beran P, Goliáš V (2006): Supergene minerals in the Horní Slavkov uranium ore district, Czech Republic. Journal of the Czech Geological Society 51, 149-158. ; Sejkora, J. & Plasil, J. (2009): Mineralien aus dem Uranrevier Horni Slavkov. Lapis 34 (7-8), 63-67; 70 (in German).
      • Krušné Hory Mts (Erzgebirge)
        • Jáchymov District (St Joachimsthal)
Duda, Rejl, Slivka: "Mineralien", 1991
Tvrdý, J. & Plášil, J. (2010): Jáchymov - Reiche Erzlagerstätte und Radonbad im böhmischen Westerzgebirge. Aufschluss 61, 277-292.
Jakub Plášil, Jiří Sejkora, Radek Škoda, Pavel Škácha (2014): The recent weathering of uraninite from the Červená vein, Jáchymov (Czech Republic): a fingerprint of the primary mineralization geochemistry onto the alteration association. Journal of Geosciences, 59, 223-253.
    • 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)
    • South Bohemia Region
      • Strakonice
Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
  • Moravia (Mähren; Maehren)
    • Olomouc Region
      • Javorník (Jauernig)
Sejkora, J., Pauliš, P., Škoda, R.: Uranové ložisko Zálesí v Rychlebských horách. Minerál, 2007, roč. 15, č. 4, s. 305-238.; - Plášil, J., Sejkora, J., Goliáš, V..: Kuprosklodowskit z uranového ložiska Zálesí u Javorníka v Rychlebských horách (Česká republika). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2008, vol. 16, 2, 205-207.
    • Vysočina Region
      • Žďár nad Sázavou
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) (TL)
 
  • Katanga (Shaba)
Ann.Soc.Gèol.Belg.(1933) 56, B 331-332
    • Katanga Copper Crescent
      • Kambove District
V.D.C. Daltry (1992) The Type Mineralogy Of Africa : Zaire pp 33-62
      • Kolwezi District
        • Kamoto
J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003)
        • Kolwezi
V.D.C. Daltry (1992) The Type Mineralogy Of Africa : Zaire pp 33-62
      • Lubumbashi (Elizabethville)
      • Shinkolobwe
      • Swambo
France
 
  • Franche-Comté
    • Haute-Saône
      • Château-Lambert
Le Règne Minéral, Hors Série IV, 1998
  • Languedoc-Roussillon
    • Hérault
      • Lodève
[Le Règne Minéral 1997, 13, p.5-18]
  • Provence-Alpes-Côte d'Azur
    • Alpes-Maritimes
      • Saint-Martin-Vésubie
        • Belvédère
          • Capelet Mt.
R. Pierrot, P. Picot, J. Féraud, J. Vernet : "Inventaire Minéralogique de la France N° 4 : Alpes-Maritimes", BRGM, 1974
Le Règne Minéral, Hors Série IV, 1998
      • Saint-Sauveur-sur-Tinée
        • Roure
Le Règne Minéral, Hors Série IV, 1998
Germany
 
  • Baden-Württemberg
    • Black Forest
      • Menzenschwand
Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
  • Bavaria
    • Franconia
      • Spessart
        • Hösbach
          • Sailauf
            • Hartkoppe
Aufschluss 1987(8/9), 275-277; Aufschluss 1987(10), 317-329
    • Upper Palatinate
      • Wölsendorf Fluorite Mining District
        • Wölsendorf East District
          • Schwarzach bei Nabburg
            • Wölsendorf
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Saxony
    • Erzgebirge
Lapis 30(7/8):78-80 (2005)
Italy
 
  • Trentino-Alto Adige (Trentino-Südtirol)
    • Trento Province
      • Giudicarie Valleys
        • Chiese Valley
          • Condino
Campostrini, I., Demartin, F., & Gramaccioli, C. M. (2006). Rio Giulis. Minerali secondari del giacimento uranifero presso Condino, Trento. Rivista Mineralogica Italiana, 30(3), 152-165.
          • Daone
            • Daone Valley
              • Limes
Campostrini, I., Demartin, F., Gramaccioli, C.M. (2005): Val Daone. Minerali secondari del giacimento uranifero presso Limes, Daone (TN). Rivista Mineralogica Italiana, 4/2005, 228-240.
        • 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.
Japan
 
  • Honshu Island
    • Chugoku Region
      • Okayama Prefecture
Kato (1973), Sakurai Kobutsu Hyohon (Sakurai collection) 44
Morocco
 
  • Souss-Massa-Draâ Region
    • Taroudant Province
      • Amelal
No reference listed
Poland
 
  • Lower Silesia (Dolnośląskie)
    • Rudawy Janowickie Mts
      • Jelenia Góra District
Siuda R., Domańska-Siuda J. & Gołębiowska B. 2010: Secondary uranium minerals from the Miedzianka-Ciechanowice deposit (Rudawy Janowickie Mts., Poland). Mineralogia - Special Papers, vol. 37, 108
Spain
 
  • Catalonia
    • Lleida (Lérida)
      • El Pallars Jussà
        • La Vall Fosca
          • La Torre de Cabdella (La Torre de Capdella)
            • Castell-estaó
Abella, J. y Viñals, J. (2009). Čejkaita, arsenuranilita, compreignacita, natrozippeita y otros minerales raros de uranio en el yacimiento «Mina Eureka», Castell-estaó, La Torre de Cabdella, Lleida, Catalunya. Revista de Minerales. (2009-2), 52-71
Switzerland
 
  • Glarus
    • Murg Valley
No reference listed
  • Wallis (Valais)
    • Anniviers Valley
      • Saint-Luc
Ansermet, S. (2012): Mines et minéraux du Valais - II. Anniviers et Tourtemagne. With contributions by N. Meisser, Ed. Porte-plumes (Ayer)
    • Nendaz Valley
      • Siviez
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 127.
    • Riddes
      • Isérables
Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 127.
UK
 
  • England
    • Cornwall
      • St Just District
        • St Just
          • Botallack
P Haas
            • Wheal Owles
Golley, P. & Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp.
          • Pendeen
[Golley & Williams, 1995, 21 - "Cornish Mineral Reference Manual"]
USA
 
  • California
    • Plumas Co.
      • Diamond Mts
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 165.
        • Last Chance District
          • Adams Peak
Troxel, Bennie Wyatt, Stinson, M.C., and Chesterman, C.W. (1957) Uranium. California Division of Mines Bulletin 176: 673; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 516.
    • Riverside Co.
      • Pinto Mts
        • Old Dale area
Saul, R.B., Evans, J.R., and Gray, C.H. (1970) Mines and mineral resources of Riverside County. California Division of Mines and Geology County Report 9. Unpublished manuscript: 1209; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 303, 516.
  • Nevada
    • Mineral Co.
      • Marietta District
NBMG Spec. Pub. 31 Minerals of Nevada
  • New Mexico
    • Cibola Co.
Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
Minerals of New Mexico 3rd ed.
NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region; American Mineralogist 47:26-33; Moench, Robert Hadley; Schlee, John Stevens (1967) Geology and uranium deposits of the Laguna district, New Mexico. USGS Prof. Paper 519
    • McKinley Co.
Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
Sun, M-S. and R.H.Weber: "Santafeite, a new hydrated vanadate from New Mexico", American Mineralogist (1958): 43: 677-687.
    • San Juan Co.
Northrop, Minerals of New Mexico, 3rd. Rev. Ed., 1996
    • Sierra Co.
New Mexico Bureau of Mines and Mineral Resources, Mineral Museum no. 13172
  • Utah
    • San Juan Co.
      • Elk Ridge
        • Notch Mines
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah
Min News 17:7 p1
      • White Canyon District
        • Red Canyon
UGMS Bull 117 Minerals and Mineral Localities of Utah
UGMS Bull 117 Minerals and Mineral Localities of Utah; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp281-284
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