Mindat Logo

Caldasite

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



Name:Named for the locality, the Poços de Caldas massif.
A Mixture Of:Baddeleyite, Zircon


The so-called Caldasite is an uraniferous zirconium ore, a mixture of Zircon (ZrSiO4) and Baddeleyite (ZrO2), with an average zirconium content higher than 60% ZrO2- and uranium content of 0.3 % U3O8 (Brown, 1972).

Originally described from Poços de Caldas massif.

Classification of Caldasite

mindat.org URL:http://www.mindat.org/min-4714.html
Please feel free to link to this page.

Other Names for Caldasite

Synonyms:
Zircon-favas
Other Languages:
German:Zirkonglaskopf
Spanish:Caldasita

Other Information

Health Warning:sometimes is low radioactive
Industrial Uses:Zirconium ore and source of industrial baddeleyte

References for Caldasite

Reference List:

- +
Derby, in Lee (1919), American Journal of Science: 47: 126.

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: 610.

Franco, R. R. & Loewenstein, W. (1948): Zirconium from the region of Poços de Caldas. Am. Mineral. 33, 142-151. [http://www.minsocam.org/ammin/AM33/AM33_142.pdf]

A.E.P. Brown (1972): PhD Thesis. University of Sao Paulo. [http://www.ipen.br/biblioteca/teses/00317.pdf]


http://www.mindat.org/mesg-7-217895.html

Internet Links for Caldasite

Search Engines:
  • Look for Caldasite on Google
  • Look for Caldasite images on Google
  • Mineral Dealers:
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Wilensky Fine Minerals
  • Fabre Minerals - search for Caldasite specimens
  • Search for Caldasite from all mineral dealers at minfind.com
  • The Arkenstone - Fine Minerals
  • Rare and Unusual minerals at Mineralogical Research Company
  • SpiriferMinerals.com - high quality low prices
  • Search for - Caldasite - on e-Rocks Mineral Sales & Auctions
  • Buy RARE Minerals from Rocks of Africa
  • Pricedownminerals.com - Reverse Auctions and Shop
  • Buy fine minerals and gemstones from Pala International
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Jobs:
  • Mining & Geology Jobs
  • Localities for Caldasite

    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.
    Brazil
     
    • Minas Gerais
      • Poços de Caldas plateau
    Derby, in Lee (1919), American Journal of Science: 47: 126; Franco, R. R. & Loewenstein, W. (1948): Zirconium from the region of Poços de Caldas. Am. Mineral. 33, 142-151. [http://www.minsocam.org/ammin/AM33/AM33_142.pdf]
    • São Paulo
      • Águas da Prata
    Franco, R. R. & Loewenstein, W. (1948): Zirconium from the region of Poços de Caldas. Am. Mineral. 33, 142-151. [http://www.minsocam.org/ammin/AM33/AM33_142.pdf]
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2011. 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. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 18th Jun 2011 16:57:12
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds