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Tetraferroplatinum
A valid IMA mineral species
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About Tetraferroplatinum
Formula:
PtFe
Colour:
Grey, silver-white
Lustre:
Metallic
Hardness:
4 - 5
Specific Gravity:
15.7 (Calculated)
Crystal System:
Tetragonal
Name:
The name is derived from the tetragonal crystal system and its iron (latin "ferrum") and platinum contents.
Possibly forms a solid solution with Tulameenite. Compare 'UM1984-18-E:FeNiPt', UM2000-09-E:CuFeNiPtRh, and UM2000-19-E:FeNiPtRh.
Unique Identifiers
Mindat ID:
3923
Long-form identifier:
mindat:1:1:3923:5
IMA Classification of Tetraferroplatinum
Approved
Approval year:
1974
First published:
1975
Classification of Tetraferroplatinum
1.AG.40
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
Dana 7th ed.:
1.2.4.1
1.2.4.1
1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1.86
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.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Tfpt | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
| Tfpl | The Canadian Mineralogist (2019) | The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download |
Physical Properties of Tetraferroplatinum
Metallic
Transparency:
Opaque
Colour:
Grey, silver-white
Hardness:
4 - 5 on Mohs scale
Hardness:
VHN100=306 - 401 - Vickers
Density:
15.7 g/cm3 (Calculated)
Optical Data of Tetraferroplatinum
Anisotropism:
Weak, in oil
Reflectivity:
| Wavelength | R1 (%) |
|---|---|
| 420nm | 58.5% |
| 440nm | 59.9% |
| 460nm | 61.4% |
| 480nm | 61.9% |
| 500nm | 62.7% |
| 520nm | 63.7% |
| 540nm | 64.2% |
| 560nm | 64.5% |
| 580nm | 64.8% |
| 600nm | 65.0% |
| 620nm | 64.8% |
| 640nm | 64.8% |
| 660nm | 64.6% |
| 680nm | 64.9% |
| 700nm | 65.2% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 65.2%.
Colour in reflected light:
White
Chemistry of Tetraferroplatinum
Mindat Formula:
PtFe
Elements listed:
Common Impurities:
Rh,Ir,Cu,Ni,Sb
Crystallography of Tetraferroplatinum
Crystal System:
Tetragonal
Class (H-M):
4/mmm(4/m2/m2/m) - Ditetragonal Dipyramidal
Space Group:
P4/mmm
Setting:
P4/mmm
Cell Parameters:
a = 2.7235(10) Å, c = 3.720(3) Å
Ratio:
a:c = 1 : 1.366
Unit Cell V:
27.59 ų (Calculated from Unit Cell)
Z:
2
Morphology:
tiny grains typically embedded in other Pt–Fe alloys.
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005247 | Tetraferroplatinum | Bayliss P (1990) Revised unit cell dimensions, space group, and chemical formula of some metallic minerals The Canadian Mineralogist 28 751-755 |  | 1990 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.191 Å | (100) |
| 1.920 Å | (70b) |
| 1.342 Å | (60b) |
| 1.152 Å | (50b) |
| 1.099 Å | (30b) |
| 2.721 Å | (20) |
| 1.709 Å | (20) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 3a: Earth’s earliest Hadean crust | >4.50 |
| 7 : Ultramafic igneous rocks | |
| Near-surface Processes | |
| 26 : Hadean detrital minerals | |
| Stage 4b: Highly evolved igneous rocks | >3.0 |
| 37 : Layered igneous intrusions and related PGE minerals | |
| Stage 5: Initiation of plate tectonics | <3.5-2.5 |
| 38 : Ophiolites |
Type Occurrence of Tetraferroplatinum
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA, 136552.
Associated Minerals at Type Locality:
Synonyms of Tetraferroplatinum
Other Language Names for Tetraferroplatinum
Common Associates
Associations Based on Photo Data:
| 8 photos of Tetraferroplatinum associated with Stannopalladinite | (Pd,Cu)3Sn |
| 5 photos of Tetraferroplatinum associated with Polarite | Pd(Bi,Pb) |
| 5 photos of Tetraferroplatinum associated with Atokite | (Pd,Pt)3Sn |
| 4 photos of Tetraferroplatinum associated with Rustenburgite | (Pt,Pd)3Sn |
| 3 photos of Tetraferroplatinum associated with Sperrylite | PtAs2 |
| 3 photos of Tetraferroplatinum associated with Native Gold | Au |
| 3 photos of Tetraferroplatinum associated with Chalcopyrite | CuFeS2 |
| 3 photos of Tetraferroplatinum associated with 'Plumbopolarite' | Pd(Pb,Bi) |
| 3 photos of Tetraferroplatinum associated with Majakite | PdNiAs |
| 3 photos of Tetraferroplatinum associated with Native Copper | Cu |
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 | Taimyrite | (Pd,Cu,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 | 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
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 Tetraferroplatinum
mindat.org URL:
https://www.mindat.org/min-3923.html
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References for Tetraferroplatinum
Localities for Tetraferroplatinum
Showing 117 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.
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Talnakh Cu-Ni Deposit, Norilsk-Talnakh Mining Region, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Krasnoyarsk Krai, Russia