Taimyrite
A valid IMA mineral species
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About Taimyrite
Formula:
(Pd,Cu,Pt)3Sn
Colour:
Bronze-gray
Lustre:
Metallic
Hardness:
5
Crystal System:
Orthorhombic
Name:
Named after its discovery locality, the Talnakh deposit, Noril'sk-Talnakh Ni-Cu camp, Taymyr autonomous district, Russia. At some point the name was chnaged to taimyrite-I, but the name was reverted back to taimyrite in 2022.
Note: "Taimyrite-II" is an unapproved species.
Compare the chemically similar stannopalladinite and the copper-free atokite.
Compare the chemically similar stannopalladinite and the copper-free atokite.
Unique Identifiers
Mindat ID:
3870
Long-form identifier:
mindat:1:1:3870:2
Similar Names
| Tamarite (of Brooke and Miller) | A synonym of Chalcophyllite | |
| Tamarite (of Ford) | A synonym of Taramite Root Name Group | |
| Tamuraite | A valid IMA mineral species | Ir5Fe10S16 |
IMA Classification of Taimyrite
Approved
IMA Formula:
(Pd,Pt)9Cu3Sn4
First published:
1976
Classification of Taimyrite
1.AG.15
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys
1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
G : PGE-metal alloys
1.2.10.1
1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1.71
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Tmy-I | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Taimyrite
Metallic
Transparency:
Opaque
Colour:
Bronze-gray
Hardness:
5 on Mohs scale
Hardness:
VHN50=480(25) kg/mm2 - Vickers
Cleavage:
None Observed
Optical Data of Taimyrite
Anisotropism:
dark gray with a blue tint to yellowish-gray
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 33.0% | 37.1% |
| 430nm | 37.8% | 41.2% |
| 460nm | 39.6% | 42.3% |
| 490nm | 42.3% | 45.2% |
| 520nm | 44.0% | 47.8% |
| 550nm | 45.5% | 49.6% |
| 580nm | 47.4% | 51.6% |
| 610nm | 49.7% | 54.0% |
| 640nm | 51.4% | 56.5% |
| 670nm | 53.0% | 59.2% |
| 700nm | 54.0% | 61.9% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 61.9%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Light gray with a distinct rose tint
Pleochroism:
Visible
Comments:
Distinct; from pale gray with a rose tint to a creamy tint.
Chemistry of Taimyrite
Mindat Formula:
(Pd,Cu,Pt)3Sn
Elements listed:
Common Impurities:
Pb,Sb
Crystallography of Taimyrite
Crystal System:
Orthorhombic
Cell Parameters:
a = 5.61 Å, b = 4.79 Å, c = 13.56 Å
Ratio:
a:b:c = 1.171 : 1 : 2.831
Unit Cell V:
364.38 ų (Calculated from Unit Cell)
Twinning:
Polysynthetic
Comment:
Point Group: n.d.; Point Group: n.d.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.155 Å | (100) |
| 2.29 Å | (55) |
| 2.365 Å | (40) |
| 1.44 Å | (40) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 37 : Layered igneous intrusions and related PGE minerals |
Type Occurrence of Taimyrite
General Appearance of Type Material:
Rounded inclusions, sometimes vein-like up to 12 mm long but most often 0.3-0.5 mm in diameter.
Place of Conservation of Type Material:
Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia and in the Mineralogical Museum of the Moscow Geological-Prospecting Institute.
Associated Minerals at Type Locality:
Synonyms of Taimyrite
Other Language Names for Taimyrite
Relationship of Taimyrite to other Species
Forms a series with:
Common Associates
Associations Based on Photo Data:
| 13 photos of Taimyrite associated with Chalcopyrite | CuFeS2 |
| 12 photos of Taimyrite associated with Sobolevskite | PdBi |
| 10 photos of Taimyrite associated with Native Silver | Ag |
| 10 photos of Taimyrite associated with Atokite | (Pd,Pt)3Sn |
| 9 photos of Taimyrite associated with Magnetite | Fe2+Fe3+2O4 |
| 8 photos of Taimyrite associated with Galena | PbS |
| 8 photos of Taimyrite associated with Sperrylite | PtAs2 |
| 8 photos of Taimyrite associated with Polarite | Pd(Bi,Pb) |
| 7 photos of Taimyrite associated with Pentlandite | (NixFey)Σ9S8 |
| 6 photos of Taimyrite associated with Palarstanide | Pd5(Sn,As)2 |
Related Minerals - Strunz-mindat Grouping
| 1.AG. | Sluzhenikinite | Pd15(Sb7-xSnx) |
| 1.AG. | Palladothallite | Pd3Tl |
| 1.AG. | Driekopite | PtBi |
| 1.AG. | Sidorovite | Fe3Pt |
| 1.AG. | Michitoshiite-(Cu) | Rh(Cu1-xGex) |
| 1.AG.05 | Hexaferrum | (Fe,Os,Ru,Ir) |
| 1.AG.05 | Garutiite | (Ni,Fe,Ir) |
| 1.AG.10 | Zvyagintsevite | Pd3Pb |
| 1.AG.10 | Rustenburgite | (Pt,Pd)3Sn |
| 1.AG.10 | Atokite | (Pd,Pt)3Sn |
| 1.AG.15 | Tatyanaite | (Pt,Pd,Cu)9Cu3Sn4 |
| 1.AG.20 | Paolovite | Pd2Sn |
| 1.AG.25 | Stannopalladinite | (Pd,Cu)3Sn |
| 1.AG.25 | Plumbopalladinite | Pd3Pb2 |
| 1.AG.30 | Cabriite | Pd2CuSn |
| 1.AG.35 | Isoferroplatinum | Pt3Fe |
| 1.AG.35 | Chengdeite | Ir3Fe |
| 1.AG.40 | Tetraferroplatinum | PtFe |
| 1.AG.40 | Tulameenite | Pt2CuFe |
| 1.AG.40 | Ferronickelplatinum | Pt2FeNi |
| 1.AG.45 | Skaergaardite | PdCu |
| 1.AG.45 | Hongshiite | PtCu |
| 1.AG.50 | Yixunite | Pt3In |
| 1.AG.55 | Damiaoite | PtIn2 |
| 1.AG.60 | Niggliite | PtSn |
| 1.AG.65 | Bortnikovite | Pd4Cu3Zn |
| 1.AG.70 | Nielsenite | PdCu3 |
| 1.AG.75 | Norilskite | (Pd,Ag)2xPb (x = 0.08 - 0.11) |
Other Information
Magnetism:
Non-Magnetic
Notes:
Not etched by dilute and concentrated acids (H2SO4, HCl, HNO3), browns in 30 seconds in aqua regia and blackens on longer etching.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Taimyrite
mindat.org URL:
https://www.mindat.org/min-3870.html
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Please feel free to link to this page.
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References for Taimyrite
Reference List:
Dunn, P. J., Fleischer, M., Chao, G. Y., Cabri, L. J., Mandarino, J. A. (1983) New mineral names. American Mineralogist, 68 (11-12) 1248-1252
Barkov, A. Y., Martin, R. F., Poirier, G., Yakovlev, Y. N. (2000) The Taimyrite-Tatyanaite Series and Zoning in Intermetallic Compounds of Pt, Pd, Cu, and Sn from Noril'sk, Siberia, Russia. The Canadian Mineralogist, 38 (3) 599-609 doi:10.2113/gscanmin.38.3.599
Localities for Taimyrite
Showing 18 localities.
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Brazil | |
| Sá et al. (2005) |
Finland | |
| Pelayo Barrón Francisco (2020) |
Russia | |
| Rudashevskiy N.S. et al. (2003) +1 other reference |
| Kislov +2 other references | |
| Shvedov et al. (2017) |
| Shcheka et al. (2004) |
| Spiridonov et al. (2015) |
| February 2009 +3 other references | |
| Begizov et al. (1976) +3 other references |
| Gerald K. Czamanske et al. (1992) +1 other reference | |
| Kalugin et al. (2021) | |
| A. Yu. Barkov et al. +1 other reference |
| - (2014) |
| - (2014) | |
South Africa | |
| Nikolay Rudashevsky et al (2001) |
| Melcher et al. (2007) |
| Natural History Museum specimen |
USA | |
| McSwiggen (1999) |
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Oktyabrsky Mine, Talnakh Cu-Ni Deposit, Norilsk-Talnakh Mining Region, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia