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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

Unnamed (probably valid)
Approval History:
Unnamed, but probably valid.
Dana 7th ed.:

Physical Properties of Tantalum

Diaphaneity (Transparency):
Grey, blue-grey

Optical Data of Tantalum


Chemical Properties of Tantalum

Elements listed in formula:

Crystallography of Tantalum

Crystal System:

Other Names for Tantalum

Name in Other Languages:

Other Information

Health Risks:
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.

Internet Links for Tantalum URL:
Please feel free to link to this page.

Localities for Tantalum

This 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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
  • Western Australia
    • Halls Creek Shire
      • Halls Creek Goldfield
Taylor, W.R, et all (1995), Geology of the Volcanic Hosted Brockman Rare Metals Deposit Halls Creek Mobile Zone West Australia, Mineralogy and Petrology, UWA, Vol 52, pp 209-230, 1995
  • Kujalleq
    • Narsaq
      • Ilímaussaq complex
        • Kuannersuit Plateau (Kvanefjeld)
Pavel M. Kartashov analytical data (2011)
  • 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]
  • Western-Siberian Region
    • Polar Urals
      • Tyumenskaya Oblast'
6th orogenic lherzolite conference 2014 Morocco; Yang, J., Meng, F., Xu, X., Robinson, P. T., Dilek, Y., Makeyev, A. B., ... & Cliff, J. (2015). Diamonds, native elements and metal alloys from chromitites of the Ray-Iz ophiolite of the Polar Urals. Gondwana Research, 27(2), 459-485.
  • Phuket Province
The Moon
  • Mare Crisium
Andrei V. Mokhov & Pavel M. Kartashov analytical data
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