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5½ - 6
Specific Gravity:
7.3 (Calculated)
Crystal System:
For Professor Mahmud Tarkian (1941-), specialist of ore microscopy of the University of Hamburg, Germany, who first described the synthetic material and determined its structure.
A rhenium sulfide with a spinel-type structure (Linnaeite Subgroup).
One of a very few Re-dominant minerals; compare dzhezkazganite and, e.g., rheniite, rhenium, and 'UM1986-51-S:Re'.

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Classification of TarkianiteHide

Approval Year:

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
B : M:S = 2:3

Physical Properties of TarkianiteHide

5½ - 6 on Mohs scale
7.3 g/cm3 (Calculated)

Chemical Properties of TarkianiteHide

IMA Formula:

Crystallography of TarkianiteHide

Crystal System:
Class (H-M):
4 3m - Hextetrahedral
Cell Parameters:
a = 9.563 Å
Unit Cell V:
874.55 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
5.53 (100)
2.88 (90)
2.39 (90)

Type Occurrence of TarkianiteHide

General Appearance of Type Material:
microscopic grains to 0.1 mm across, included in pentlandite and pyrrhotite
Associated Minerals at Type Locality:

Synonyms of TarkianiteHide

Other Language Names for TarkianiteHide

Simplified Chinese:硫铜铼矿
Traditional Chinese:硫銅錸礦

Relationship of Tarkianite to other SpeciesHide

Structurally related to group(s):
Linnaeite SubgroupThe Linnaeite Subgroup is a subgroup of the Thiospinel Group in the Spinel Supergroup.

Related Minerals - Nickel-Strunz GroupingHide

2.DB.05AntimonseliteSb2Se3Orth. mmm (2/m 2/m 2/m)
2.DB.05BismuthiniteBi2S3Orth. mmm (2/m 2/m 2/m)
2.DB.05GuanajuatiteBi2Se3Orth. mmm (2/m 2/m 2/m) : Pnma
2.DB.05PääkköneniteSb2AsS2Mon. 2/m : B2/m
2.DB.05StibniteSb2S3Orth. mmm (2/m 2/m 2/m)
2.DB.10SuredaitePbSnS3Orth. mmm (2/m 2/m 2/m)
2.DB.15Bowieite(Rh,Ir,Pt)2S3Orth. mmm (2/m 2/m 2/m)
2.DB.25EdgariteFeNb3S6Hex. 6 : P63
2.DB.35CameroniteCu5-x(Cu,Ag)3+xTe10 (x = 0.43)Mon. 2/m : B2/b

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 TarkianiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Kojonen, K. K., Roberts, A. C., Isomäki, O. P., Knauf, V. V., Johanson, B., & Pakkanen, L. (2004). Tarkianite,(Cu, Fe)(Re, Mo) 4S8, a new mineral species from the Hitura mine, Nivala, Finland. The Canadian Mineralogist, 42(2), 539-544.

Internet Links for TarkianiteHide

Localities for TarkianiteHide

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.
  • Ontario
    • Thunder Bay District
K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004)
Finland (TL)
  • North Ostrobothnia
    • Nivala
K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004)
  • Pirkanmaa
    • Sastamala
      • Vammala
K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004)
  • Murmansk Oblast
    • Monche-Tundra
      • Monchegorsk
K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004)
  • Republic of Karelia
    • Northern Karelia
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004)
  • Montana
    • Stillwater Co.
      • Nye
Kojonen, K.K., Roberts, A.C., Isomäki, O.-P., Knauf, V.V., Johanson, Bo, Pakkanen, L. (2004): Tarkianite, (Cu,Fe)(Re,Mo)4S8, a new mineral species from the Hitura mine, Nivala, Finland. The Canadian Mineralogist, 42, 539-544
Mineral and/or Locality  
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