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Fukuchilite

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About FukuchiliteHide

Formula:
Cu3FeS8
Colour:
Dark brownish gray
Lustre:
Sub-Metallic
Hardness:
6
Specific Gravity:
4.86
Crystal System:
Isometric
Member of:
Name:
Named after Nobuyo Fukuchi (1877-1934), a Japanese geologist.
Perhaps the same species as the earlier named villamaninite.


Classification of FukuchiliteHide

Approved
2.EB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.1.7

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.1.24

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

Physical Properties of FukuchiliteHide

Sub-Metallic
Transparency:
Opaque
Colour:
Dark brownish gray
Hardness:
Density:
4.86 g/cm3 (Measured)    4.90 g/cm3 (Calculated)

Chemical Properties of FukuchiliteHide

Formula:
Cu3FeS8

Crystallography of FukuchiliteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Cell Parameters:
a = 5.58 Å
Unit Cell V:
173.74 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Eutectic intergrowth with pyrite and covellite

Type Occurrence of FukuchiliteHide

Place of Conservation of Type Material:
Smithsonian 135971
Associated Minerals at Type Locality:

Synonyms of FukuchiliteHide

Other Language Names for FukuchiliteHide

German:Fukuchilit
Italian:Fukuchilite
Japanese:福地鉱
Spanish:Fukuchilita

Relationship of Fukuchilite to other SpeciesHide

Member of:
Other Members of this group:
AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
CattieriteCoS2Iso. m3 (2/m 3) : Pa3
DzharkeniteFeSe2Iso.
ErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
GaotaiiteIr3Te8Iso.
GeversitePtSb2Iso. m3 (2/m 3) : Pa3
HaueriteMnS2Iso. m3 (2/m 3) : Pa3
InsizwaitePt(Bi,Sb)2
Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
LauriteRuS2Iso. m3 (2/m 3) : Pa3
Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
PyriteFeS2Iso. m3 (2/m 3) : Pa3
SperrylitePtAs2Iso. m3 (2/m 3) : Pa3
TrogtaliteCoSe2
VaesiteNiS2Iso. m3 (2/m 3) : Pa3
Villamaninite(Cu,Ni,Co,Fe)S2

Common AssociatesHide

Associated Minerals Based on Photo Data:
Alloclasite2 photos of Fukuchilite associated with Alloclasite on mindat.org.
Tetrahedrite1 photo of Fukuchilite associated with Tetrahedrite on mindat.org.
Pyrite1 photo of Fukuchilite associated with Pyrite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.EB.05aAurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.EB.05bBambollaiteCu(Se,Te)2Tet.
2.EB.05aCattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.EB.05aErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.EB.05aGeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.EB.05aHaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.EB.05aInsizwaitePt(Bi,Sb)2
2.EB.05aKrut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.EB.05aLauriteRuS2Iso. m3 (2/m 3) : Pa3
2.EB.05aPenroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.EB.05aPyriteFeS2Iso. m3 (2/m 3) : Pa3
2.EB.05aSperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.EB.05aTrogtaliteCoSe2
2.EB.05aVaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.EB.05aVillamaninite(Cu,Ni,Co,Fe)S2
2.EB.05aDzharkeniteFeSe2Iso.
2.EB.05aGaotaiiteIr3Te8Iso.
2.EB.10bAlloclasiteCo1-xFexAsSMon. 2 : P21
2.EB.10dCostibiteCoSbSOrth. mm2 : Pmn21
2.EB.10aFerroseliteFeSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aFrohbergiteFeTe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10cGlaucodot(Co0.50Fe0.50)AsSOrth. mm2 : Pmn21
2.EB.10aKulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMarcasiteFeS2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.10aMattagamiteCoTe2Orth.
2.EB.10eParacostibiteCoSbSOrth.
2.EB.10ePararammelsbergiteNiAs2Orth.
2.EB.10fOeniteCoSbAsOrth.
2.EB.15aAnduoite(Ru,Os)As2Orth.
2.EB.15aClinosaffloriteCoAs2Mon. 2/m : P21/m
2.EB.15aLöllingiteFeAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aNisbiteNiSb2Orth.
2.EB.15aOmeiite(Os,Ru)As2Orth.
2.EB.15cPaxiteCuAs2Mon.
2.EB.15aRammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15aSafflorite(Co,Ni,Fe)As2Orth. mmm (2/m 2/m 2/m) : Pnnm
2.EB.15bSeinäjokite(Fe,Ni)(Sb,As)2Orth.
2.EB.20ArsenopyriteFeAsSMon. 2/m : P21/b
2.EB.20GudmunditeFeSbSMon. 2/m : P21/b
2.EB.20Osarsite(Os,Ru)AsSMon.
2.EB.20Ruarsite(Ru,Os)AsSMon.
2.EB.25CobaltiteCoAsSOrth. mm2 : Pca21
2.EB.25GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
2.EB.25Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
2.EB.25Irarsite(Ir,Ru,Rh,Pt)AsSIso.
2.EB.25JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.EB.25KrutoviteNiAs2Iso.
2.EB.25MaslovitePtBiTe
2.EB.25MicheneritePdBiTe
2.EB.25PadmaitePdBiSeIso.
2.EB.25PlatarsitePtAsSIso.
2.EB.25TestibiopalladitePdTe(Sb,Te)Iso.
2.EB.25TolovkiteIrSbSIso.
2.EB.25UllmanniteNiSbSIso. 2 3 : P21 3
2.EB.25Willyamite(Co,Ni)SbS
2.EB.25ChangchengiteIrBiSIso.
2.EB.25MayingiteIrBiTeIso.
2.EB.25Hollingsworthite(Rh,Pt,Pd)AsS
2.EB.25KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
2.EB.25MilotaitePdSbSeIso. 2 3 : P21 3
2.EB.30UrvantsevitePd(Bi,Pb)2Tet.
2.EB.35RheniiteReS2Tric.

Related Minerals - Dana Grouping (8th Ed.)Hide

2.12.1.1PyriteFeS2Iso. m3 (2/m 3) : Pa3
2.12.1.2VaesiteNiS2Iso. m3 (2/m 3) : Pa3
2.12.1.3CattieriteCoS2Iso. m3 (2/m 3) : Pa3
2.12.1.4Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
2.12.1.5TrogtaliteCoSe2
2.12.1.6Villamaninite(Cu,Ni,Co,Fe)S2
2.12.1.8Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
2.12.1.9HaueriteMnS2Iso. m3 (2/m 3) : Pa3
2.12.1.10LauriteRuS2Iso. m3 (2/m 3) : Pa3
2.12.1.11AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
2.12.1.12KrutoviteNiAs2Iso.
2.12.1.13SperrylitePtAs2Iso. m3 (2/m 3) : Pa3
2.12.1.14GeversitePtSb2Iso. m3 (2/m 3) : Pa3
2.12.1.15InsizwaitePt(Bi,Sb)2
2.12.1.16ErlichmaniteOsS2Iso. m3 (2/m 3) : Pa3
2.12.1.17DzharkeniteFeSe2Iso.
2.12.1.18GaotaiiteIr3Te8Iso.
2.12.1.19MayingiteIrBiTeIso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.1.1ChalcociteCu2SMon. 2/m : P21/b
3.1.2DjurleiteCu31S16Mon. 2/m
3.1.3DigeniteCu9S5Trig. 3m (3 2/m) : R3m
3.1.4AniliteCu7S4Orth. mmm (2/m 2/m 2/m) : Pnma
3.1.5RoxbyiteCu9S5Tric. 1 : P1
3.1.6SpionkopiteCu39S28Trig.
3.1.7GeeriteCu8S5Trig. 3
3.1.8CovelliteCuSHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.9BerzelianiteCu2SeIso. m3m (4/m 3 2/m) : Fm3m
3.1.10BellidoiteCu2SeTet. 4/m : P42/n
3.1.11UmangiteCu3Se2Tet.
3.1.12YarrowiteCu9S8Trig.
3.1.13AthabascaiteCu5Se4Orth.
3.1.14KlockmanniteCuSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.1.15Krut'aiteCuSe2Iso. m3 (2/m 3) : Pa3
3.1.16WeissiteCu2-xTeHex.
3.1.17RickarditeCu7Te5Orth.
3.1.18VulcaniteCuTeOrth.
3.1.19BambollaiteCu(Se,Te)2Tet.
3.1.20LautiteCuAsSOrth. mmm (2/m 2/m 2/m) : Pnma
3.1.21MgriiteCu3AsSe3
3.1.22CubaniteCuFe2S3Orth. mmm (2/m 2/m 2/m)
3.1.23BorniteCu5FeS4Orth. mmm (2/m 2/m 2/m) : Pbca
3.1.25ChalcopyriteCuFeS2Tet. 4 2m : I4 2d
3.1.26MooihoekiteCu9Fe9S16Tet.
3.1.27HaycockiteCu4Fe5S8Orth. 2 2 2
3.1.28IsocubaniteCuFe2S3Iso. m3m (4/m 3 2/m) : Fm3m
3.1.29IdaiteCu5FeS6Hex.
3.1.30NukundamiteCu3.4Fe0.6S4Trig. 3m (3 2/m) : P3m1
3.1.31PutoraniteCu1.1Fe1.2S2Iso.
3.1.32Orickite2CuFeS2 · H2OHex.
3.1.33EskeborniteCuFeSe2Tet.
3.1.34Chaméanite(Cu,Fe)4As(Se,S)4Iso.
3.1.35TalnakhiteCu9(Fe,Ni)8S16Iso. 4 3m : I4 3m

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.

References for FukuchiliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 55: 1811.
Bayliss, P. (1989) American Mineralogist: 74: 1168-1176.

Internet Links for FukuchiliteHide

Localities for FukuchiliteHide

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 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 (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Canada
 
  • Ontario
    • Thunder Bay District
      • Seagull Lake Area
        • Seagull Lake complex
Wilson, G., & Harper, G. (2013). Nipigon Reefs Project: A New Look at the PGE-bearing Seagull Mafic-Ultramafic Complex. Field Guide to the Copper-Nickel-Platinum Group Element Deposits of the Lake Superior Region, Precambrian Research Center Guidebook, 13-01.
China
 
  • Yunnan Province
    • Chuxiong Autonomous Prefecture
      • Dayao Co.
Junhua Din, Yafen Wang, Zhengyun Wang, Jinghong Cai, and Jiazao Yan (1992): Journal of Guilin University of Technology 12(s1)
France
 
  • Grand Est
    • Haut-Rhin
      • Thur valley (Thann valley)
        • Kruth
Wittern, Journée: "Mineralien finden in den Vogesen", von Loga (Cologne), 1997
Italy
 
  • Sardinia
    • Sassari Province
      • Ozieri
Ciriotti, M.E. & Blass, G. (2010): Pot-pourri 2009: identificazioni UKiS AMI Minerali italiani di interesse. Micro (UK Report), 1/2010, 124-127.
Japan (TL)
 
  • Honshu Island
    • Tohoku Region
      • Akita Prefecture
        • Kazuno City
Min.Journ.Japan (1969) 5, 399-416; Bayliss, P. (1989) American Mineralogist: 74: 1168-1176.
Kajiwara Y (1969) Fukuchilite, Cu3FeS8, a new mineral from the Hanawa mine, Akita Prefecture, Japan, Mineralogical Journal 5, 399-416
      • Iwate Prefecture
        • Tayama
Dr. Kameki Kinoshita collection (curated at Geological Survey of Japan)
Mineral and/or Locality  
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