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Argentopentlandite

A valid IMA mineral species
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About ArgentopentlanditeHide

Formula:
Ag(Fe,Ni)8S8
Colour:
Bronze brown
Lustre:
Metallic
Hardness:
Specific Gravity:
4.66 (Calculated)
Crystal System:
Isometric
Name:
For its silver content and relation to pentlandite.
Ag analogue of Sugakiite.

Compare also silver-bearing Pentlandite.


Unique IdentifiersHide

Mindat ID:
291
Long-form identifier:
mindat:1:1:291:6

IMA Classification of ArgentopentlanditeHide

Approved
Approval year:
1970

Classification of ArgentopentlanditeHide

2.BB.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
B : With Ni
2.7.1.2

2 : SULFIDES
7 : AmBnXp, with (m+n):p = 9:8
3.2.19

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
2 : Sulphides etc. of Ag

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 for Standard
ApnIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
ApnThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of ArgentopentlanditeHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of ArgentopentlanditeHide

Metallic
Transparency:
Opaque
Colour:
Bronze brown
Hardness:
3½ on Mohs scale
Hardness:
VHN50=132 - 154 kg/mm2 - Vickers
Cleavage:
Very Good
Well developed on {111}
Density:
4.66 g/cm3 (Calculated)

Optical Data of ArgentopentlanditeHide

Type:
Isotropic
Reflectivity:
WavelengthR1 (%)
400nm20.4%
420nm21.0%
440nm21.9%
460nm22.9%
480nm24.2%
500nm25.6%
520nm27.2%
540nm28.8%
560nm30.4%
580nm31.9%
600nm33.3%
620nm34.6%
640nm35.8%
660nm36.8%
680nm37.8%
700nm38.6%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 38.6%.
Colour in reflected light:
Cinnamon-brown

Chemistry of ArgentopentlanditeHide

Mindat Formula:
Ag(Fe,Ni)8S8
Element Weights:
Element% weight
Fe55.078 %
S31.624 %
Ag13.298 %

Calculated from ideal end-member formula.
Common Impurities:
Cu

Crystallography of ArgentopentlanditeHide

Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 10.521(3) Å
Unit Cell V:
1,164.58 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Octahedral crystals, massive.

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0005093ArgentopentlanditeHall S R, Stewart J M (1973) The crystal structure of argentian pentlandite (Fe,Ni)8AgS8, compared with the refined structure of pentlandite (Fe,Ni)9S8 The Canadian Mineralogist 12 169-17719730293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.06 Å(2)
5.25 Å(2)
3.71 Å(2)
3.170 Å(10)
2.018 Å(4)
1.858 Å(10)
1.072 Å(3)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest 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
36 : Carbonatites, kimberlites, and related igneous rocks
Geological Setting:
Pyrite and cubanite hydrothermal veins, skarn deposits.

Type Occurrence of ArgentopentlanditeHide

Synonyms of ArgentopentlanditeHide

Other Language Names for ArgentopentlanditeHide

Relationship of Argentopentlandite to other SpeciesHide

Other Members of Pentlandite Group:
CobaltpentlanditeCo9S8Iso. m3m(4/m32/m) : Fm3m
Geffroyite(Cu,Fe,Ag)9(Se,S)8Iso. m3m(4/m32/m) : Fm3m
OberthüriteRh3Ni32S32Iso.
Pentlandite(NixFey)Σ9S8Iso. m3m(4/m32/m) : Fm3m
Shadlunite(Pb,Cd)(Fe,Cu)8S8Iso. m3m(4/m32/m) : Fm3m
SugakiiteCu(Fe,Ni)8S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
WangyanitePdNi8S8Iso. m3m(4/m32/m) : Fd3c

Common AssociatesHide

Associations Based on Photo Data:
17 photos of Argentopentlandite associated with ChalcopyriteCuFeS2
8 photos of Argentopentlandite associated with Pentlandite(NixFey)Σ9S8
5 photos of Argentopentlandite associated with MagnetiteFe2+Fe3+2O4
5 photos of Argentopentlandite associated with CubaniteCuFe2S3
5 photos of Argentopentlandite associated with AltaitePbTe
4 photos of Argentopentlandite associated with GalenaPbS
3 photos of Argentopentlandite associated with MaslovitePtBiTe
3 photos of Argentopentlandite associated with Frooditeα-PdBi2
2 photos of Argentopentlandite associated with Native SilverAg
2 photos of Argentopentlandite associated with PaolovitePd2Sn

Related Minerals - Strunz-mindat GroupingHide

2.BB.ArsenotučekiteNi18Sb3AsS16Tet. 4mm : I4mm
2.BB.HrabákiteNi9PbSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.'UM2007-27-S:CuFeIrNiRh'(Ni,Fe,Cu,Rh,Ir)11S9
2.BB.HoromaniteFe6Ni3S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.SamaniiteCu2Fe5Ni2S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.05HeazlewooditeNi3S2Trig. 32 : R32
2.BB.05'UM2007-30-S:Fe'Fe3S2
2.BB.05Vozhminite(Ni,Co)4(As,Sb)S2Hex.
2.BB.05OregoniteNi2FeAs2Hex.
2.BB.10HauchecorniteNi9BiSbS8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10ArsenohauchecorniteNi18Bi3AsS16Tet.
2.BB.10TellurohauchecorniteNi9Bi(Te,Bi)S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10JinxiuiteNi18Bi2SbAsS16Tet. 4/mmm(4/m2/m2/m) : I4/mmm
2.BB.10BismutohauchecorniteNi9Bi2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.10TučekiteNi9Sb2S8Tet. 4/mmm(4/m2/m2/m) : P4/mmm
2.BB.15Shadlunite(Pb,Cd)(Fe,Cu)8S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Ferhodsite(Fe,Rh,Ni,Ir,Cu,Pt)9S8Tet.
2.BB.15CobaltpentlanditeCo9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15'UM2002-26-S:FeNi'(Ni,Fe)9S8Hex.
2.BB.15Pentlandite(NixFey)Σ9S8Iso. m3m(4/m32/m) : Fm3m
2.BB.15OberthüriteRh3Ni32S32Iso.
2.BB.15Geffroyite(Cu,Fe,Ag)9(Se,S)8Iso. m3m(4/m32/m) : Fm3m
2.BB.15Kharaelakhite(Cu,Pt,Pb,Fe,Ni)9S8Orth. mmm(2/m2/m2/m) : Pmmm
2.BB.15'Manganoshadlunite'(Mn,Pb,Cd)(Cu,Fe)8S8
2.BB.15SugakiiteCu(Fe,Ni)8S8Tet. 4/mmm(4/m2/m2/m) : P42/mnm
2.BB.15Godlevskite(Ni,Fe)9S8Orth. 222 : C222
2.BB.15WangyanitePdNi8S8Iso. m3m(4/m32/m) : Fd3c

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.
Industrial Uses:
Minor silver ore

Internet Links for ArgentopentlanditeHide

References for ArgentopentlanditeHide

Reference List:

Localities for ArgentopentlanditeHide

Showing 97 localities.

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.
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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.
Antarctica
 
  • East Antarctica
    • Queen Maud Land
Takahashi et al. (2020)
Argentina
 
  • Jujuy Province
    • Cochinoca Department
      • Abra Pampa
Paar et al. (2016)
  • Mendoza Province
    • Tupungato Department
      • Santa Clara District
Bjerg and Brodtkorb +1 other reference
Australia
 
  • Western Australia
    • Boddington Shire
      • Bannister
Kalleske (2010)
    • City of Karratha
      • Karratha
Marshall (2001) +1 other reference
    • Laverton Shire
      • Laverton
Mineralogical Society of America - ...
Austria
 
  • Salzburg
    • St. Johann im Pongau District
      • Mühlbach am Hochkönig
Auer (2025)
    • Zell am See District
      • Mittersill
        • Haidbachgraben
Melcher et al. (2019)
  • Tyrol
    • Innsbruck-Land District
      • Axams
Vavtar (1995)
Botswana
 
  • North-East District
    • Francistown District
Maier et al. (2008)
Bulgaria
 
  • Haskovo Province
    • Ivaylovgrad Municipality
      • Ivaylovgrad
Kerestedjian (1997)
Canada
 
  • British Columbia
    • New Westminster Mining Division
      • Hope
Manor et al. (2014)
  • Manitoba
    • Lac-du-Bonnet area
Scott et al. (1973) +1 other reference
    • Lynn Lake District
Bernhardt Augsten et al. (1986) +1 other reference
    • Snow Lake District
Duff (2016)
  • Ontario
    • Greater Sudbury
      • Blezard Township
Ames et al. (2003)
Ames et al. (2003)
      • Broder Township
Ames et al. (2003)
      • Creighton-Davies Township
Ames et al. (2003)
      • Denison Township
Ames et al. (2003)
      • Drury Township
        • Worthington area
          • Worthington Offset Dike
Vale SA
Warren (2013)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
      • Maclennan Township
Ames et al. (2003)
      • McKim Township
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
Ames et al. (2003)
    • Sudbury District
      • Snider Township
Ames et al. (2003)
157-158. +1 other reference
  • Québec
    • Abitibi-Témiscamingue
      • La Vallée-de-l'Or RCM
        • Val d'Or
Alexandria Minerals Corp.
  • Yukon
    • Whitehorse mining district
      • Kluane District
Barkov et al. (2002)
China
 
  • Guangxi
Mineralogical Society of America - ...
    • Liuzhou
      • Rongshui Co.
        • Yuanbao Mountains (Yuanbaoshan)
Zhang Zhengen et al. (1987)
  • Shaanxi
    • Baoji
      • Feng County
        • Fengxian–Taibai ore cluster
          • Yinmusi Mines
[1]许高奇 et al. (1)
  • Shanxi
    • Yuncheng
      • Yuanqu Co.
        • Zhongtiaoshan ore field
Yongrui Zhao and Yunqing Zhen (2006)
Yongrui Zhao and Yunqing Zhen (2006)
  • Xinjiang
    • Ili Kazakh Autonomous Prefecture
      • Altay Prefecture (Aletai Prefecture)
        • Fuyun Co. (Koktokay Co.)
Benhai Li et al. (1991) +1 other reference
  • Yunnan
    • Honghe
      • Jinping County
Chuanjie Pu et al. (2007)
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
Hloušek et al. (2002)
  • South Bohemian Region
    • Písek District
      • Kovářov
        • Vepice
Sejkora et al. (2020)
    • Prachatice District
      • Vlachovo Březí (Wällisch Birken)
Němec
Ethiopia
 
  • Oromia Region
    • Megado
Cook et al. (2000) +1 other reference
Finland
 
  • Lapland
    • Kittilä
Eilu (2003)
Geological Survey of Finland 2008 ... +1 other reference
    • Penikat complex
Alapieti et al. (1986)
  • North Karelia
    • Ilomantsi
Kojonen et al. (1991)
    • Outokumpu
Geological Survey of Finland 2011. ...
  • Pirkanmaa
    • Akaa
Gervilla et al 1997. Mineralogy of ... +1 other reference
  • Satakunta
    • Eurajoki
Pere Tuomas (2009)
  • South Savo
    • Savonlinna
Mineralogical Society of America - ...
Greece
 
  • Central Macedonia
    • Kilkis
      • Kilkis
Mineralogical Society of America - ...
Italy
 
  • Sardinia
    • Nuoro Province
      • Gadoni
Stara et al. (1999)
  • Tuscany
    • Lucca Province
      • Stazzema
Benvenuti (1991)
Japan
 
  • Iwate Prefecture
    • Kamaishi City
Mariko et al (1973)
Morocco
 
  • Marrakesh-Safi Region
    • Al Haouz Province
      • Amizmiz Cercle
        • Guedmioua Caïdat
          • Azgour
Ilmen et al. (2022)
Norway
 
  • Buskerud
    • Kongsberg
      • Overberget Mining Field
Sirkka (1988) +1 other reference
Bancroft et al. (2001)
Poland
 
  • Lower Silesian Voivodeship
    • Świdnica County
      • Gmina Świdnica
        • Lubachów
a first occurrence in Poland. Mineralogia: 45 (1-2) +2 other references
    • Wałbrzych County
      • Gmina Walim
Mederski et al. (2020)
a first occurrence in Poland. Mineralogia: 45 (1-2) +1 other reference
Russia
 
  • Kamchatka Krai
    • Ust-Bolsheretsky District
      • Dukuk Complex (Dukuk Massif)
Novakov et al. (2021)
  • Krasnoyarsk Krai
    • Taymyrskiy Autonomous Okrug
      • Taimyr Peninsula
- (2014) +1 other reference
Pekov (1998)
Rudashevskii et al. (1977) +3 other references
  • Magadan Oblast
    • Omchak gold field
Goryachev et al. (2008)
  • Murmansk Oblast
    • Fedorovo-Pansky massif (Pana layered complex)
Groshev +6 other references
Ivanov et al. (2020, July)
    • Kovdorsky District
Mikhailova et al. (2015) +2 other references
    • Lovchorr Mt
Karpov S.M. et al. (2012) +2 other references
    • Monchegorsk
      • Sopcha Massif
Grokhovskaya et al. (2003)
    • Northern Karelia
      • Salla-Kuolajarvi belt
Kalinin (2021)
    • Pechengsky District
Lobanov et al. (2021, August)
  • Novosibirsk Oblast
Svetlitskaya +2 other references
  • Republic of Karelia
    • Loukhsky District
      • Oulanka plutonic complex
        • Olanga River (Oulanka River)
Grishaenko et al. (2007)
Barkov et al. (1996) +1 other reference
  • Tuva
    • Chedi-Kholsky District
Rudashevskii et al. (1977)
  • Yamalo-Nenets Autonomous Okrug
    • Labytnangi
Murzin et al. (2022)
Serbia
 
  • Central Serbia
    • Moravica District
      • Gornji Milanovac
Mineco Limited
South Africa
 
  • Limpopo
    • Capricorn District Municipality
      • Blouberg Local Municipality
Manyeruke (2007)
    • Mopani District Municipality
      • Ba-Phalaborwa Local Municipality
        • Phalaborwa
Nikolay Rudashevsky et al (2001)
Spain
 
  • Extremadura
    • Badajoz
      • Monesterio
Piña et al. (2008)
  • Murcia
    • Aguilas
Mineralogical Society of America - ... +2 other references
Sweden
 
  • Örebro County
    • Askersund
      • Zinkgruvan
Bjärnborg (2009)
Switzerland
 
  • Valais
    • Entremont
      • Sembrancher
        • Le Catogne
Stalder et al. (1998)
UK
 
  • England
    • County Durham
      • Stanhope
        • Rookhope
Mineralogical Magazine 1996 60 : 317-324
Tindle (2008)
    • Dumfries and Galloway
      • Newton Stewart
        • Talnotry
Anthony et al. (1990)
Uruguay
 
  • San José Department
Prichard et al. (2004)
USA
 
  • Michigan
    • Ontonagon County
Heinrich et al. (2004)
Zimbabwe
 
  • Mashonaland West
    • Chegutu District
Oberthür et al. (2003)
 
and/or  
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