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Atokite

A valid IMA mineral species
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About AtokiteHide

Formula:
(Pd,Pt)3Sn
Colour:
Light cream
Lustre:
Metallic
Hardness:
Specific Gravity:
14.19 (Calculated)
Crystal System:
Isometric
Name:
For the type locality, the Atok mine.
Compare the chemically similar taimyrite.


Unique IdentifiersHide

Mindat ID:
413
Long-form identifier:
mindat:1:1:413:6

IMA Classification of AtokiteHide

Approved
IMA Formula:
Pd3Sn

Classification of AtokiteHide

1.AG.10

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.:
1.2.7.2
1.2.5.3

1 : NATIVE ELEMENTS AND ALLOYS
2 : Platinum Group Metals and Alloys
1.72

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Mineral SymbolsHide

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.

SymbolSourceReference
AtoIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
AtThe 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 AtokiteHide

Metallic
Transparency:
Opaque
Colour:
Light cream
Comment:
In reflected light
Hardness:
4½ on Mohs scale
Hardness:
VHN25=357 kg/mm2 - Vickers
Density:
14.19 g/cm3 (Calculated)

Optical Data of AtokiteHide

Type:
Isotropic
Anisotropism:
Slight, due to strain
Reflectivity:
WavelengthR1 (%)R2 (%)
480nm57.4% 60.8%
546nm59.2% 65.1%
589nm60.4% 63.5%
656nm62.2% 65.8%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 65.8%.
R1 shown in black, R2 shown in red
Colour in reflected light:
light cream
Pleochroism:
Weak

Chemistry of AtokiteHide

Mindat Formula:
(Pd,Pt)3Sn
Element Weights:
Element% weight
Pd72.895 %
Sn27.105 %

Calculated from ideal end-member formula.

Crystallography of AtokiteHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 3.991 Å
Unit Cell V:
63.57 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Small grains less than 100 microns.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005109AtokiteMihalik P, Hiemstra S A, de Villiers J P R (1975) Rustenburgite and atokite, two new platinum-group minerals from the Merensky Reef, Bushveld igneous complex The Canadian Mineralogist 13 146-1501975the Rustenburg and Atok Platinum Mines in the Bushveld Igneous complex, South Africa0293
0005183AtokiteShelton K L, Merewether P A, Skinner B J (1981) Phases and phase relations in the system Pd-Pt-Sn The Canadian Mineralogist 19 599-60519810293
0014147AtokiteEllner M (1981) Zusammenhang zwischen strukturellen und thermodynamischen eigenschaften bei phasen der kupferfamilie in T10-B4-systemen Journal of the Less-Common Metals 78 21-3219810293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.295 Å(100)
1.992 Å(80)
1.408 Å(90)
1.202 Å(100)
0.9153 Å(90)
0.8922 Å(80)
0.8145 Å(90)
Comments:
Merensky Reef, South Africa.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 3b: Earth’s earliest hydrosphere>4.45
12 : Hadean hydrothermal subsurface sulfide deposits (see also #33)
Near-surface Processes
26 : Hadean detrital minerals
High-𝑇 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 AtokiteHide

Geological Setting of Type Material:
As very sparse grains in concentrates of ore.

Synonyms of AtokiteHide

Other Language Names for AtokiteHide

Dutch:Atokiet
French:Atokite
German:Atokit
Russian:Атокит
Simplified Chinese:锡铂钯矿
Spanish:Atokita
Traditional Chinese:錫鉑鈀礦

Varieties of AtokiteHide

Common AssociatesHide

Associated Minerals Based on Photo Data:
10 photos of Atokite associated with Taimyrite(Pd,Cu,Pt)3Sn
8 photos of Atokite associated with ChalcopyriteCuFeS2
6 photos of Atokite associated with PalarstanidePd5(Sn,As)2
6 photos of Atokite associated with Native SilverAg
5 photos of Atokite associated with TetraferroplatinumPtFe
5 photos of Atokite associated with PolaritePd(Bi,Pb)
4 photos of Atokite associated with Rustenburgite(Pt,Pd)3Sn
4 photos of Atokite associated with Pentlandite(NixFey)Σ9S8
4 photos of Atokite associated with Stannopalladinite(Pd,Cu)3Sn
4 photos of Atokite associated with GalenaPbS

Related Minerals - Strunz-mindat GroupingHide

1.AG.SluzhenikinitePd15(Sb7-xSnx)Mon. 2/m : P21/m
1.AG.PalladothallitePd3TlTet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.AG.DriekopitePtBiHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.SidoroviteFe3PtIso. m3m (4/m 3 2/m) : Pm3m
1.AG.Michitoshiite-(Cu)Rh(Cu1-xGex) Iso. m3m (4/m 3 2/m) : Pm3m
1.AG.05Hexaferrum(Fe,Os,Ru,Ir)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.05Garutiite(Ni,Fe,Ir)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.10ZvyagintsevitePd3PbIso. m3m (4/m 3 2/m) : Pm3n
1.AG.10Rustenburgite(Pt,Pd)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.AG.15Taimyrite(Pd,Cu,Pt)3SnOrth.
1.AG.15Tatyanaite(Pt,Pd,Cu)9Cu3Sn4Orth.
1.AG.20PaolovitePd2SnOrth. mmm (2/m 2/m 2/m)
1.AG.25Stannopalladinite(Pd,Cu)3SnOrth.
1.AG.25PlumbopalladinitePd3Pb2Hex. 6mm : P63mc
1.AG.30CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.AG.35IsoferroplatinumPt3FeIso. m3m (4/m 3 2/m)
1.AG.35ChengdeiteIr3FeIso. m3m (4/m 3 2/m)
1.AG.40TetraferroplatinumPtFeTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.40TulameenitePt2CuFeTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.40FerronickelplatinumPt2FeNiTet.
1.AG.45SkaergaarditePdCuIso. m3m (4/m 3 2/m) : Pm3m
1.AG.45HongshiitePtCuTrig.
1.AG.50YixunitePt3InIso. m3m (4/m 3 2/m)
1.AG.55DamiaoitePtIn2Iso. m3m (4/m 3 2/m) : Fm3m
1.AG.60NiggliitePtSnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.AG.65BortnikovitePd4Cu3ZnTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.AG.70NielsenitePdCu3Tet. 4mm : P4mm
1.AG.75Norilskite(Pd,Ag)2xPb (x = 0.08 - 0.11)Trig. 3 2 : P31 2 1

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.

Internet Links for AtokiteHide

References for AtokiteHide

Localities for AtokiteHide

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 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). 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
Canada
 
  • Ontario
    • Kenora District
      • Ring of Fire
        • BMA527861 Area
Musa Karkus (2010)
    • Thunder Bay District
Watkinson & Ohnenstetter (1992) +1 other reference
McDonald et al. (2015) +1 other reference
      • O'Neill Township
5th International Platinum Symposium ... +2 other references
      • Seeley Lake Area
EcoMetrix Reort for Stillwater Canada Inc (2012)
Good et al. (2017)
China
 
  • Yunnan
    • Dali
      • Midu County
Huanbin Song et al. (2008) +1 other reference
Finland
 
  • Lapland
    • Enontekiö
33rd International Geological Congress (2008) +2 other references
Greenland
 
  • Sermersooq
    • Kangerlussuaq Fjord
      • Skaergaard intrusion
Holwell et al. (2016)
Guinea
 
  • Kindia Region
Augé et al. (2018)
Russia
 
  • Buryatia
    • Severo-Baykalsky District
      • Dovyren Highlands
Rudashevskiy N.S. et al. (2003) +2 other references
Spiridonov et al. (2019, April)
Kislov +2 other references
  • Khabarovsk Krai
    • Ayano-Maysky district
Shcheka et al. (2004)
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
Goldschmidt Conference Abstracts (2011) +2 other references
Can Mineral December 2011 vol. 49 no. ...
Sluzhenikin et al. (2015)
- (2016) +1 other reference
Pekov (1998)
[AmMin 84:1845] +4 other references
2014 Ultramafic-mafic intrusions
Kalugin et al. (2021)
    • Taymyrsky Dolgano-Nenetsky District
      • Kureika river
        • Dzheltul'skii massif (Dzhaltul)
Shvedov et al. (2015)
  • Murmansk Oblast
Gabov (2010)
Groshev +7 other references
Groshev +6 other references
Groshev +6 other references
Groshev +7 other references
33rd International Geological Congress (2008)
Groshev +6 other references
    • Kovdorsky District
Sorokhtina et al. (2021)
    • Pechengsky District
Abzalov et al. (1997)
  • Republic of Karelia
Grokhovskaya et al. (2005)
Grishaenko et al. (2007)
    • Kondopozhsky District
- (2014)
    • Loukhsky District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
A. Yu. Barkov et al. +1 other reference
Barkov et al. (2001) +1 other reference
    • Northern Karelia
Lavrov et al. (2017)
South Africa
 
...
  • Limpopo
    • Mopani District Municipality
      • Ba-Phalaborwa Local Municipality
        • Phalaborwa
Nikolay Rudashevsky et al (2001)
    • Sekhukhune District Municipality
      • Fetakgomo Tubatse Local Municipality
Can Min 13 (1975)
Melcher et al. (2007)
Melcher et al. (2005)
    • Waterberg District Municipality
      • Mogalakwena Local Municipality
Yudovskaya et al. (2011)
Van der Merwe (2011) +1 other reference
          • Mogalakwena Mine
Holwell et al. (2007)
Holwell et al. (2006) +1 other reference
Frits van der Merwe (2012)
  • North West
    • Bojanala Platinum District Municipality
      • Rustenburg Local Municipality
Cairncross et al. (1995)
Cairncross et al. (1995) +1 other reference
Tanzania
 
  • Kigoma Region
Wilhelmij et al. (2016)
USA
 
  • Montana
    • Stillwater County
      • J-M Reef (Howland Reef)
...
Gobla (2012)
Zimbabwe
 
  • Mashonaland West
    • Chegutu District
Liu et al. (2014)
 
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