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Tantalum

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Big Photo

Kvanefjeld Mt., Kuannersuit (Kvanefjeld) plateau, Ilimaussaq complex, Narsaq, Kitaa (West Greenland) Province, Greenland
© Pavel M. Kartashov

Discuss Tantalum



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
mindat.org URL:http://www.mindat.org/min-7329.html
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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.
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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.
    Greenland
     
    • Kitaa (West Greenland) Province
      • Narsaq
        • Ilimaussaq complex
          • Kuannersuit (Kvanefjeld) plateau
    		Pavel M. Kartashov analytical data (2011)
    Russia
     
    • Eastern-Siberian Region
      • Saha Republic (Sakha 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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