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Tantalum

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Formula:
Ta
System:IsometricColour:Grey, blue-grey


Don't mix with the "native" tantalum from Nizhnyi Tagil (Middle Ural) has been found to be TaC: Jedwab, J. (1990): Native ruthenium in tantalum carbide concentrates from the Ural Mountains, USSR. Mineralogy and Petrology, 1990, 43, 137-146.

Classification of Tantalum

IMA status:Published without Approval
Dana 7th edition ID:1.1.37.1
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Physical Properties of Tantalum

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Grey, blue-grey

Crystallography of Tantalum

Crystal System:Isometric

Optical Data of Tantalum

Type:Isotropic

Chemical Properties of Tantalum

Formula:
Ta
Essential elements:Ta
All elements listed in formula:Ta

Other Names for Tantalum

Other Languages:
Japanese:自然タンタル
Russian:Тантал

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 Tantalum

Reference List:

- +
Walther (1909), Nature: 81: 335.

von John (1910), Nature: 83: 398.

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, 834pp.: 126.

American Mineralogist (1999): 84: 992-993.

Seredin, V.V. (1998) New discovery of native tantalum. Doklady Akademii Nauk, v.360, N6, 791-795 (in Russ.).

Jedwab, J. (1990): Native ruthenium in tantalum carbide concentrates from the Ural Mountains, USSR. Mineralogy and Petrology, 1990, 43, 137-146.

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  • Localities for Tantalum

    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.
    Greenland
     
    • Kitaa Province (West Greenland)
      • Narsaq
        • Ilimaussaq complex
          • Kuannersuit plateau (Kvanefjeld)
    Pavel M. Kartashov analytical data (2011)
    Russia
     
    • Eastern-Siberian Region
      • Sakha Republic (Saha Republic; Yakutia)
        • Daldyn-Alakit kimberlite field
          • Daldyn
    [AmMin 84:993]
    • Far-Eastern Region
      • Primorskiy Kray
        • Khanka Lake
    V.V. Seredin data; [AmMin 84:992]
    The Moon
     
    • Mare Crisium
    Andrei V. Mokhov & Pavel M. Kartashov analytical data
    Mineral and/or Locality  
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    Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. 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 thousands 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.
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