Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Françoisite-(Ce)

Formula:
(Ce,Nd,Ca)[(UO
 
2
)
 
3
O(OH)(PO
 
4
)
 
2
]·6H
 
2
O
System:Monoclinic
Name:Named for the relation to Françoisite-(Nd).
Isostructural with:Françoisite-(Nd)
This page provides mineralogical data about Françoisite-(Ce).

Classification of Françoisite-(Ce)

IMA status:Approved 2004
Nickel-Strunz 10th (pending) edition ID:8.EC.05

8 : PHOSPHATES, ARSENATES, VANADATES
E : Uranyl phosphates and arsenates
C : UO2:RO4 = 3:2
mindat.org URL:http://www.mindat.org/min-27480.html
Please feel free to link to this page.

Type Occurrence of Françoisite-(Ce)

Co-type Localities:Mount Painter No. 2 workings, Radium Ridge, Mt Painter area, North Flinders Ranges, Flinders Ranges, South Australia, Australia
La Creusa U prospect (La Creusaz U prospect), Les Marécottes, Le Trient Valley, Wallis (Valais), Switzerland

Crystallography of Françoisite-(Ce)

Crystal System:Monoclinic
Class (H-M):2/m - Prismatic
Space Group:P21/b {P1 1 21/b} {P21/c} {P1 21/c 1} {P21/a}
Cell Parameters:a = 9.295Å, b = 15.53Å, c = 13.718Å
β = 112.39°
Ratio:a:b:c = 0.599 : 1 : 0.883
Unit Cell Volume:V 1,830.93 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
7.76(100)
5.77(60)
4.42(30)
4.37(30)
3.87(60)
3.43(70)
3.14(80)
Comments:From type description.

Chemical Properties of Françoisite-(Ce)

Formula:
(Ce,Nd,Ca)[(UO
 
2
)
 
3
O(OH)(PO
 
4
)
 
2
]·6H
 
2
O
All elements listed in formula:Ca, Ce, H, Nd, O, P, U

Relationship of Françoisite-(Ce) to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
8.EC.05Françoisite-(Nd)
(Nd,Ce,Sm)(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O
8.EC.05Phuralumite
Al
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|(PO
 
4
)
 
3
] · 13H
 
2
O
8.EC.05Upalite
Al(UO
 
2
)
 
3
(PO
 
4
)
 
2
O(OH)·7H
 
2
O
8.EC.10Arsenuranylite
Ca(UO
 
2
)
 
4
[(OH)
 
2
|AsO
 
4
]
 
2
 · 6H
 
2
O
8.EC.10Dewindtite
Pb(UO
 
2
)
 
3
[OH|PO
 
4
]
 
2
 · 3H
 
2
O
8.EC.10Kivuite
H
 
2
Th(UO
 
2
)
 
3
[O|OH|(PO
 
4
)
 
2
] · 6H
 
2
O (?)
8.EC.10Phosphuranylite
(H
 
3
O)
 
3
KCa(UO
 
2
)
 
7
[O|PO
 
4
]
 
4
 · 8H
 
2
O
8.EC.10Yingjiangite
K
 
2
Ca(UO
 
2
)
 
7
(PO
 
4
)
 
4
(OH)
 
6
 · 6H
 
2
O
8.EC.10Renardite
8.EC.15Dumontite
Pb
 
2
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 3H
 
2
O
8.EC.15Hügelite
Pb
 
2
(UO
 
2
)
 
3
[O|AsO
 
4
]
 
2
 · 5H
 
2
O
8.EC.20Metavanmeersscheite
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 2H
 
2
O
8.EC.20Vanmeersscheite
U
4+
 
(UO
 
2
)
 
3
[(OH)
 
2
|PO
 
4
]
 
2
 · 4H
 
2
O
8.EC.20Arsenovanmeersscheite
U
4+
 
(UO
 
2
)
 
3
(AsO
 
4
)
 
2
(OH)
 
2
 · 4H
 
2
O
8.EC.25Althupite
AlTh(UO
 
2
)
 
7
[O
 
2
|(OH)
 
5
|(PO
 
4
)
 
4
] · 15H
 
2
O
8.EC.30Mundite
Al(UO
 
2
)
 
3
[(OH)
 
3
|(PO
 
4
)
 
2
] · 5.5H
 
2
O
8.EC.35Phurcalite
Ca
 
2
(UO
 
2
)
 
3
[O|PO
 
4
]
 
2
 · 7H
 
2
O
8.EC.40Bergenite
Ca
 
2
Ba
 
4
[(UO
 
2
)
 
3
O
 
2
(PO
 
4
)
 
2
]
 
3
·16H
 
2
O

Other Names for Françoisite-(Ce)

Synonyms:
IMA2004-029
Other Languages:
Russian:Франкоисит-(Ce)

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 Françoisite-(Ce)

Reference List:Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp.

Internet Links for Françoisite-(Ce)

Search Engines:
  • Look for Françoisite-(Ce) on Google
  • Look for Françoisite-(Ce) images on Google
    • External Links:
  • Look for Françoisite-(Ce) on Webmineral
  • Look for Françoisite-(Ce) on Athena Mineralogy
  • Look for Françoisite-(Ce) on Wikipedia
  • Look for Françoisite-(Ce) on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Françoisite-(Ce) in the Natural History Museum (London) online catalogue
    • Mineral Dealers:
  • Search for - Françoisite-(Ce) - on e-Rocks Mineral Sales & Auctions
  • Wendel Minerals - Auktion & Shop
  • The Arkenstone - Fine Minerals
  • rare and unusual minerals mainly crystallized
  • Buy Fine Minerals from mineralsweb.com
  • Fine Minerals from Dan Weinrich Minerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Buy Minerals and Crystals from Crystalarium.com
  • Fabre Minerals - search for Françoisite-(Ce) specimens
  • Find Françoisite-(Ce) on www.crystalclassics.co.uk
  • Lapis Mineral Magazin
  • Buy minerals from Mineralium.com
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

    Sponsorship:This page is currently not sponsored. Click here to sponsor this page.

    Localities for Françoisite-(Ce)

    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.
    (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.
    Australia
     
    • South Australia
      • Flinders Ranges
        • North Flinders Ranges
          • Mt Painter area
            • Radium Ridge
    		Roth, Ph. (2007): Minerals first discovered in Switzerland and minerals named after Swiss individuals. Philippe Roth, Ed., Zurich, 239 pp.
    Switzerland
     
    • Wallis (Valais)
      • Le Trient Valley
        • Les Marécottes
    		IMA Website
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 11th Nov 2009 17:43:53