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Tantalum

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Formula:
Ta
System:
Isometric
Colour:
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

Published without Approval
Dana 7th ed.:
1.1.37.1
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http://www.mindat.org/min-7329.html
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Physical Properties of Tantalum

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:
All elements listed in formula:

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

Localities for Tantalum

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.
Greenland
 
  • Kujalleq
    • Narsaq
      • Ilímaussaq 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]
Thailand
 
  • Phuket Province
http://amdis.bgl.esdm.go.id/index.php?option=com_content&view=article&id=55:classification-of-tin-bearing-pegmatites-in-phuket&catid=2:mineral-article
The Moon
 
  • Mare Crisium
Andrei V. Mokhov & Pavel M. Kartashov analytical data
Mineral and/or Locality  
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