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Cuprosklodowskite

Big Photo

Musonoi Mine, Kolwezi, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
© Rob Lavinsky

Show Cuprosklodowskite Photos (58)
Formula:
Cu(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 6H
 
2
O
System:TriclinicColour:Yellowish green to grass ...
Hardness:4
Name:Mistaken belief mineral was copper analogue of skodowskite.
This page provides mineralogical data about Cuprosklodowskite.

Classification of Cuprosklodowskite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.34-20
Nickel-Strunz 10th (pending) edition ID:9.AK.10

9 : SILICATES (Germanates)
A : Nesosilicates
K : Uranyl neso- and polysilicates
Dana 8th edition ID: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)
Hey's CIM Ref.:14.16.8

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

Type Locality:Kalongwe deposit, Western area, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)
Year of Discovery:1933

Occurrences of Cuprosklodowskite

Geological Setting:Secondary mineral in uranium depposits

Physical Properties of Cuprosklodowskite

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

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
Unit Cell Volume:V 382.88 ų (Calculated from Unit Cell)
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
Maximum Birefringence:δ = 0.010 - 0.012

Chart 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(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 6H
 
2
O
Essential elements:Cu, H, O, Si, U
All elements listed in formula:Cu, H, O, Si, U

Relationship of Cuprosklodowskite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
9.AK.05Soddyite
(UO
 
2
)
 
2
SiO
 
4
·2H
 
2
O
9.AK.10Oursinite
(Co,Mg)(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 6H
 
2
O
9.AK.10Sklodowskite
Mg(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
9.AK.15Boltwoodite
(K,Na)(UO
 
2
)[HSiO
 
4
] · 0.5H
 
2
O
9.AK.15Kasolite
Pb(UO
 
2
)[SiO
 
4
] · H
 
2
O
9.AK.15Natroboltwoodite
(H
 
3
O)(Na,K)UO
 
2
SiO
 
4
·H
 
2
O
9.AK.15Uranophane
Ca(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
9.AK.15Beta-Uranophane
9.AK.20Swamboite
UH
 
6
(UO
 
2
)
 
6
(SiO
 
4
)
 
6
·30H
 
2
O
9.AK.25Haiweeite
Ca(UO
 
2
)
 
2
[Si
 
5
O
 
12
(OH)
 
2
]·4.5H
 
2
O
9.AK.25Metahaiweeite
Ca(UO
 
2
)
 
2
Si
 
6
O
 
15
·nH
 
2
O
9.AK.25Ranquilite
9.AK.30Weeksite
K
 
2
(UO
 
2
)
 
2
(Si
 
2
O
 
5
)
 
3
·4H
 
2
O
9.AK.30Coutinhoite
Th
 
x
Ba
 
(1-2x)
(UO
 
2
)
 
2
Si
 
5
O
 
13
·(H
 
2
O)
 
1+y
 (0 < x < 0.5 and 0 < y < (2+x))
9.AK.35Ursilite
(Mg,Ca)
 
4
(UO
 
2
)
 
4
(Si
 
2
O
 
5
)
 
5.5
(OH)
 
5
·13H
 
2
O
9.AK.35Magnioursilite
Mg
 
4
(UO
 
2
)
 
4
(Si
 
2
O
 
5
)
 
5
(OH)
 
6
·20H
 
2
O
9.AK.35Calcioursilite
Ca
 
4
(UO
 
2
)
 
4
(Si
 
2
O
 
5
)
 
5
(OH)
 
6
·15H
 
2
O
9.AK.40Uranosilite
UO
 
3
 · 7SiO
 
2
Related Minerals - Hey's Index Grouping:

- +
14.16.1Uranosilite
UO
 
3
 · 7SiO
 
2
14.16.2Coffinite
(U,Th)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
14.16.3Soddyite
(UO
 
2
)
 
2
SiO
 
4
·2H
 
2
O
14.16.4Swamboite
UH
 
6
(UO
 
2
)
 
6
(SiO
 
4
)
 
6
·30H
 
2
O
14.16.5Weeksite
K
 
2
(UO
 
2
)
 
2
(Si
 
2
O
 
5
)
 
3
·4H
 
2
O
14.16.6Boltwoodite
(K,Na)(UO
 
2
)[HSiO
 
4
] · 0.5H
 
2
O
14.16.7Natroboltwoodite
(H
 
3
O)(Na,K)UO
 
2
SiO
 
4
·H
 
2
O
14.16.9Sklodowskite
Mg(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
14.16.10Uranophane
Ca(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
14.16.11β-Uranophane
Ca(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 5H
 
2
O
14.16.12Haiweeite
Ca(UO
 
2
)
 
2
[Si
 
5
O
 
12
(OH)
 
2
]·4.5H
 
2
O
14.16.13Metahaiweeite
Ca(UO
 
2
)
 
2
Si
 
6
O
 
15
·nH
 
2
O
14.16.14Thorogummite
(Th,U)[(OH)
 
4x
|(SiO
 
4
)
 
1-x
]
14.16.15Steacyite
([ ],K)(Na,Ca)
 
2
(Th,U)[Si
 
8
O
 
20
]
14.16.16Ekanite
(Ca,Fe
2+
 
,Pb)
 
2
(Th,U)[Si
 
8
O
 
20
]
14.16.17Kasolite
Pb(UO
 
2
)[SiO
 
4
] · H
 
2
O
14.16.18 Orlite
Pb
 
3
(UO
 
2
)
 
3
(Si
 
2
O
 
7
)
 
2
·6H
 
2
O
14.16.19Oursinite
(Co,Mg)(UO
 
2
)
 
2
[HSiO
 
4
]
 
2
 · 6H
 
2
O

Other Names for Cuprosklodowskite

Synonyms:
CuprosklodovskiteJachymovite (of Novácek)
Other Languages:
German:Cuprosklodovskit
Russian:Купросклодовскит
Spanish:Cuprosklodovskita

Other Information

Health Warning: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.

Articles/Blogs about Cuprosklodowskite

Internet Links for Cuprosklodowskite

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  • Raman and XRD data at RRUFF project
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    Localities for Cuprosklodowskite

    Hide Locality List
    The 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.
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    (TL) indicates type locality. ? 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
    		American Mineralogist: 46: 12-25.
    • Mendoza
      • Malargüe Department
        • Pampa Amarilla District
    		American Mineralogist: 51: 1-13
    Canada
     
    • Northwest Territories
      • Mackenzie District
        • Great Bear Lake
    		Mineralogical Record (1989).
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
        • Příbram
          • Březové Hory (Birkenberg)
            • Březové Hory deposit
    		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.
        • Krušné Hory Mts (Erzgebirge)
          • Ostrov
    		Duda, Rejl, Slivka: "Mineralien", 1991
      • Plzeň Region
        • Planá
    		Pauliš P., Kopecký S., Černý P. 2007: Uranové minerály České Republiky a jejich naleziště. 1. část. (Kutna Hora, issue 1)
      • South Bohemia Region
        • Jihočeský kraj
          • 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
    		Sejkora, J., Pauliš, P., Škoda, R.: Uranové ložisko Zálesí v Rychlebských horách. Minerál, 2007, roč. 15, č. 4, s. 305-238.
      • Vysočina Region
    		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
        • Central area
          • Kambove
          • Shinkolobwe
          • Swambo
        • Southern area
          • Lubumbashi (Elizabethville)
        • Western area
    		Ann.Soc.Gèol.Belg.(1933) 56, B 331-332
          • Kolwezi
            • Kamoto
    		J.W. Anthony, R.A. Bideaux, K.W. Bladh, M.C. Nichols: Handbook of Mineralogy, Vol. V (2003)
    No reference listed
    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 Mts
          • Hösbach
            • Sailauf
              • Hartkoppe Mt.
    		Aufschluss 1987(8/9), 275-277; Aufschluss 1987(10), 317-329
      • Upper Palatinate
        • Schwandorf
          • Wölsendorf Fluorite mining District
            • Wölsendorf East District (Wölsendorf - Nabburg District)
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Saxony
      • Erzgebirge
    		Lapis 30(7/8):78-80 (2005)
    Italy
     
    • Trentino-Alto Adige
      • Trento Province
        • 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
          • 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.
    Japan
     
    • Honshu Island
      • Chugoku Region
        • Okayama Prefecture
    		Kato (1973), Sakurai Kobutsu Hyohon (Sakurai collection) 44
    Morocco
     
    No reference listed
    Switzerland
     
    • Glarus
      • Murg Valley
    		No reference listed
    • Wallis (Valais)
      • Riddes
        • Isérables
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 127.
    Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 127.
    UK
     
    • England
      • Cornwall
        • St Just District
          • Botallack - Pendeen Area
            • Botallack
    		[Golley & Williams, 1995, 21 - "Cornish Mineral Reference Manual"]
    No reference listed
            • Pendeen
    		[Golley & Williams, 1995, 21 - "Cornish Mineral Reference Manual"]
            • Truthwall
    		No reference listed
    USA
     
    • California
      • Plumas Co.
        • Last Chance District
          • Spring Creek area
    		Mineralogical Record (In press)
      • Riverside Co.
    		Pemberton, H Earl " Minerals of California" Van Nostrand Reinholt Press
    • 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
      • McKinley Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
      • 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
    		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
    Mineral and/or Locality
    Google
     
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