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Törnroosite

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Formula:
Pd11As2Te2
Colour:
Black
Lustre:
Metallic
Hardness:
5
Specific Gravity:
11.205 (Calculated)
Crystal System:
Isometric
Name:
The mineral is named after Professor Ragnar Törnroos, University of Helsinki, Finland.
This page provides mineralogical data about Törnroosite.


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Classification of TörnroositeHide

Approved
Approval Year:
2010

Physical Properties of TörnroositeHide

Metallic
Transparency:
Opaque
Colour:
Black
Streak:
Silvery black
Hardness:
Hardness:
VHN25=519 kg/mm2 - Vickers
Density:
11.205 g/cm3 (Calculated)

Chemical Properties of TörnroositeHide

Formula:
Pd11As2Te2
IMA Formula:
Pd11As2Te2

Crystallography of TörnroositeHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Setting:
Fd3m
Cell Parameters:
a = 12.3530(4) Å
Unit Cell V:
1,885.03 ų (Calculated from Unit Cell)
Z:
8

Type Occurrence of TörnroositeHide

Synonyms of TörnroositeHide

Other InformationHide

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 TörnroositeHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kari K. Kojonen, Andrew M. McDonald, Chris J. Stanley, and Bo Johanson (2011) Törnroosite, Pd11As2Te2, A New Mineral Species Related to Isomertieite from Miessijoki, Finnish Lapland, Finland. Can Mineral 49:1643-1651

Internet Links for TörnroositeHide

Localities for TörnroositeHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Ontario
    • Thunder Bay District
      • Coldwell complex
Mcdonald, A.M., Cabri, L.J., Stanley, C.J., Good, D.J., Redpath, J., Lane, G., Spratt, J. & Ames, D.E. (2015) Coldwellite, Pd3Ag2S, a new mineral species from the Marathon deposit, Coldwell complex, Ontario, Canada. Canadian Mineralogist 53, 1-13.
Finland (TL)
 
  • Lapland Region
    • Inari
      • Lemmenjoki
Kari K. Kojonen, Andrew M. McDonald, Chris J. Stanley, and Bo Johanson (2011) Törnroosite, Pd11As2Te2, A New Mineral Species Related to Isomertieite from Miessijoki, Finnish Lapland, Finland. Can Mineral 49:1643-1651; Kari Kojonen (2012) PGE ore potential in the southwestern granulite belt of Northern Finland. Geological Survey of Finland, Report of Investigation 207 pp 64-67
Russia
 
  • Northern Region
    • Murmanskaya Oblast'
      • Monche-Tundra
        • Monchegorsk
Grokhovskaya, T.L., Griboedova, I.G. & Karimova, O.V. (2014) Diversity of PGM Assemblages in Pge Deposits of the Monchegorsk Igneous Complex, Russia. 12th International Platinum Symposium p249
Mineral and/or Locality  
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