Tarkianite
This page is currently not sponsored. Click here to sponsor this page.
Formula:
(Cu,Fe)(Re,Mo)4S8
Colour:
black
Lustre:
Metallic
Hardness:
5½ - 6
Specific Gravity:
7.3 (Calculated)
Crystal System:
Isometric
Name:
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.
Type Locality:
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'.
One of a very few Re-dominant minerals; compare dzhezkazganite and, e.g., rheniite, rhenium, and 'UM1986-51-S:Re'.
Classification of Tarkianite
Approved
Approval Year:
2003
2/D.14-20
2.DB.30
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
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 Tarkianite
Metallic
Transparency:
Opaque
Colour:
black
Streak:
black
Hardness:
5½ - 6 on Mohs scale
Tenacity:
Brittle
Density:
7.3 g/cm3 (Calculated)
Chemical Properties of Tarkianite
Formula:
(Cu,Fe)(Re,Mo)4S8
IMA Formula:
(Cu,Fe)(Re,Mo)4S8
Crystallography of Tarkianite
Crystal System:
Isometric
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 Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
5.53 | (100) |
2.88 | (90) |
2.39 | (90) |
Type Occurrence of Tarkianite
General Appearance of Type Material:
microscopic grains to 0.1 mm across, included in pentlandite and pyrrhotite
Associated Minerals at Type Locality:
Synonyms of Tarkianite
Other Language Names for Tarkianite
Relationship of Tarkianite to other Species
Structurally related to group(s):
Linnaeite Subgroup | The Linnaeite Subgroup is a subgroup of the Thiospinel Group in the Spinel Supergroup. |
Related Minerals - Nickel-Strunz Grouping
2.DB.05 | Antimonselite | Sb2Se3 | Orth. mmm (2/m 2/m 2/m) |
2.DB.05 | Bismuthinite | Bi2S3 | Orth. mmm (2/m 2/m 2/m) |
2.DB.05 | Guanajuatite | Bi2Se3 | Orth. mmm (2/m 2/m 2/m) : Pnma |
2.DB.05 | Metastibnite | Sb2S3 | Amor. |
2.DB.05 | Pääkkönenite | Sb2AsS2 | Mon. 2/m : B2/m |
2.DB.05 | Stibnite | Sb2S3 | Orth. mmm (2/m 2/m 2/m) |
2.DB.10 | Ottemannite | beta Sn2S3 | |
2.DB.10 | Suredaite | PbSnS3 | Orth. mmm (2/m 2/m 2/m) |
2.DB.15 | Bowieite | (Rh,Ir,Pt)2S3 | Orth. mmm (2/m 2/m 2/m) |
2.DB.15 | Kashinite | (Ir,Rh)2S3 | Orth. |
2.DB.20 | Montbrayite | (Au,Ag,Sb,Bi,Pb)23(Te,Sb,Bi,Pb)38 | Tric. |
2.DB.25 | Edgarite | FeNb3S6 | Hex. 6 : P63 |
2.DB.35 | Cameronite | Cu5-x(Cu,Ag)3+xTe10 (x = 0.43) | Mon. 2/m : B2/b |
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 Tarkianite
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 Tarkianite
mindat.org URL:
https://www.mindat.org/min-25693.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
Localities for Tarkianite
Locality List




All localities listed without proper references should be considered as questionable.
Canada | |
| K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004) |
Finland (TL) | |
| K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004) |
| K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004) |
Russia | |
| K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004) |
| K.K. Kojonen et al.: Can. Mineral. 42:539-544 (2004) |
USA | |
| 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 |