Donate now to keep mindat.org alive!Help mindat.org|Log In|Register|
Home PageMindat NewsThe Mindat ManualHistory of MindatCopyright StatusManagement TeamContact UsAdvertise on Mindat
Donate to MindatSponsor a PageSponsored PagesTop Available PagesMindat AdvertisersAdvertise on Mindat
The most common minerals on earthMineral PhotographyThe Elements and their Minerals
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralSearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
StatisticsThe ElementsMember ListBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Gersdorffite

This page is currently not sponsored. Click here to sponsor this page.
Johann Rudolf Ritter von Gersdorff (1781 - 1849)
Formula:
NiAsS
Colour:
Gray, grayish black, silver white, or tin white
Lustre:
Metallic
Hardness:
Specific Gravity:
5.9
Crystal System:
Isometric
Member of:
Name:
Named in 1845 by Alexander Löwe in honor of Johann Rudolf Ritter von Gersdorff [March 18, 1781, Bochnia, Galicia, Poland – April 30, 1849, Wien, Austria], mining expert and owner of the nickel mine at Schladming (ca. 1842).
Hide all sections | Show all sections

Classification of GersdorffiteHide

Approved
2.EB.25

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.
2.12.3.2

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.11.34

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

Pronounciation of GersdorffiteHide

Pronounciation:
PlayRecorded byCountry
Jolyon & Katya RalphUnited Kingdom

Physical Properties of GersdorffiteHide

Metallic
Transparency:
Opaque
Colour:
Gray, grayish black, silver white, or tin white
Streak:
Grayish black
Hardness:
5½ on Mohs scale
Hardness:
VHN100=657 - 767 kg/mm2 - Vickers
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {100}
Fracture:
Irregular/Uneven
Density:
5.9 g/cm3 (Measured)    5.966 g/cm3 (Calculated)

Optical Data of GersdorffiteHide

Type:
Isotropic
Colour in reflected light:
White

Chemical Properties of GersdorffiteHide

Formula:
NiAsS
Common Impurities:
Fe,Co,Sb,Cu

Crystallography of GersdorffiteHide

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Setting:
Pa3
Cell Parameters:
a = 5.66(6) Å
Unit Cell V:
181.32 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Octahedral, cubes, some dodecahedral modifications, pyritohedral.

Crystallographic forms of GersdorffiteHide

Crystal Atlas:
Image Loading
Click on an icon to view
Gersdorffite no.7 - Goldschmidt (1913-1926)
Gersdorffite no.10 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

Toggle
Edge Lines | Miller Indicies | Axes

Transparency
Opaque | Translucent | Transparent

View
Along a-axis | Along b-axis | Along c-axis | Start rotation | Stop rotation

Type Occurrence of GersdorffiteHide

Synonyms of GersdorffiteHide

Other Language Names for GersdorffiteHide

Varieties of GersdorffiteHide

Cobaltoan GersdorffiteCo variety of gersdorffite rich in Os, Ir, Ru and Rh upto 15 weight percent.

Relationship of Gersdorffite to other SpeciesHide

Member of:
Other Members of this group:
ChangchengiteIrBiSIso.
CobaltiteCoAsSOrth. mm2 : Pca21
Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
Irarsite(Ir,Ru,Rh,Pt)AsSIso.
JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
KalungaitePdAsSeIso. m3 (2/m 3) : Pa3
MaslovitePtBiTe
MayingiteIrBiTeIso.
MicheneritePdBiTe
MilotaitePdSbSeIso. 2 3 : P21 3
PadmaitePdBiSeIso.
PlatarsitePtAsSIso.
TestibiopalladitePdTe(Sb,Te)Iso.
TolovkiteIrSbSIso.
UllmanniteNiSbSIso. 2 3 : P21 3
Willyamite(Co,Ni)SbS
Forms a series with:

Common AssociatesHide

Nickelskutterudite(Ni,Co,Fe)As3
SideriteFeCO3
Associated Minerals Based on Photo Data:
Calcite26 photos of Gersdorffite associated with Calcite on mindat.org.
Nickeline24 photos of Gersdorffite associated with Nickeline on mindat.org.
Quartz19 photos of Gersdorffite associated with Quartz on mindat.org.
Annabergite17 photos of Gersdorffite associated with Annabergite on mindat.org.
Chalcopyrite16 photos of Gersdorffite associated with Chalcopyrite on mindat.org.
Millerite10 photos of Gersdorffite associated with Millerite on mindat.org.
Dolomite9 photos of Gersdorffite associated with Dolomite on mindat.org.
Skutterudite7 photos of Gersdorffite associated with Skutterudite on mindat.org.
Pistomesite5 photos of Gersdorffite associated with Pistomesite on mindat.org.
Tetrahedrite4 photos of Gersdorffite associated with Tetrahedrite 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.05aFukuchiliteCu3FeS8Iso. 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.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

2.12.3.1CobaltiteCoAsSOrth. mm2 : Pca21
2.12.3.3UllmanniteNiSbSIso. 2 3 : P21 3
2.12.3.4Willyamite(Co,Ni)SbS
2.12.3.5TolovkiteIrSbSIso.
2.12.3.6PlatarsitePtAsSIso.
2.12.3.7Irarsite(Ir,Ru,Rh,Pt)AsSIso.
2.12.3.8Hollingworthite(Rh,Pt,Pd)AsSIso. m3 (2/m 3)
2.12.3.9JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
2.12.3.10PadmaitePdBiSeIso.
2.12.3.11MicheneritePdBiTe
2.12.3.12MaslovitePtBiTe
2.12.3.13TestibiopalladitePdTe(Sb,Te)Iso.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

3.11.1HeazlewooditeNi3S2Trig. 3 2 : R3 2
3.11.2Godlevskite(Ni,Fe)9S8Orth. 2 2 2 : C2 2 2
3.11.3MilleriteNiSTrig. 3m : R3m
3.11.4PolydymiteNi2+Ni3+2S4Iso.
3.11.5VaesiteNiS2Iso. m3 (2/m 3) : Pa3
3.11.6ShanditeNi3Pb2S2Trig.
3.11.7DonharrisiteNi3HgS3Mon. 2/m : B2/m
3.11.8ViolariteFe2+Ni3+2S4Iso.
3.11.9Pentlandite(FexNiy)Σ9S8Iso. m3m (4/m 3 2/m) : Fm3m
3.11.10Bravoite(Fe,Ni)S2Iso. m3 (2/m 3) : Pa3
3.11.11SiegeniteCoNi2S4Iso. m3m (4/m 3 2/m) : Fd3m
3.11.12FletcheriteCu(Ni,Co)2S4Iso. m3m (4/m 3 2/m) : Fd3m
3.11.13Villamaninite(Cu,Ni,Co,Fe)S2
3.11.14Mäkineniteγ-NiSeTrig.
3.11.15Sederholmitebeta-NiSeHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.11.16TrüstedtiteNi3Se4Iso.
3.11.17WilkmaniteNi3Se4Mon.
3.11.18KulleruditeNiSe2Orth. mmm (2/m 2/m 2/m) : Pnnm
3.11.19Penroseite(Ni,Co,Cu)Se2Iso. m3 (2/m 3) : Pa3
3.11.20TyrrelliteCu(Co3+,Ni3+)2Se4Iso. m3m (4/m 3 2/m) : Fd3m
3.11.21ImgreiteNiTe (?)Hex.
3.11.22MeloniteNiTe2Trig.
3.11.23KitkaiteNiTeSeTrig.
3.11.24Dienerite
3.11.25OrceliteNi5-xAs2, x ~ 0.25Hex. 6mm : P63mc
3.11.26MaucheriteNi11As8Tet. 4 2 2 : P41 21 2
3.11.27NickelineNiAsHex. 6/mmm (6/m 2/m 2/m) : P63/mcm
3.11.28RammelsbergiteNiAs2Orth. mmm (2/m 2/m 2/m) : Pnnm
3.11.29PararammelsbergiteNiAs2Orth.
3.11.30Nickelskutterudite(Ni,Co,Fe)As3Iso. m3 (2/m 3) : Im3
3.11.31OregoniteNi2FeAs2Hex.
3.11.32Westerveldite(Fe,Ni,Co)AsOrth.
3.11.33Langisite(Co,Ni)AsHex. 6 : P63
3.11.35JolliffeiteNiAsSeIso. m3 (2/m 3) : Pa3
3.11.36BreithauptiteNiSbHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
3.11.38UllmanniteNiSbSIso. 2 3 : P21 3
3.11.39Willyamite(Co,Ni)SbS

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 GersdorffiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Shannon, E.V. (1924) An occurrence of iron-cobalt bearing gersdorffite in Idaho. Journal of the Washington Academy of Sciences, 14(13): 275-277.
Doelter, C. (1926) Nickelglanzgruppe. Handbuch der Mineralchemie: 719-739. Springer Berlin Heidelberg.
Ramsdell (1925) American Mineralogist 10: 281.
Stillwell, F.L. (1935) An occurrence of gersdorffite in north-east Dundas, Tasmania. Proceedings of the Australasian Institute of Mining and Metallurgy: 100: 465-470.
Palache, C., Berman, H., and Frondel, C. (1944) The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 298-300.
Peacock, M.A., and Henry, W.G. (1948) The crystal structure of cobaltite (CoAsS), gersdorffite (NiAsS), and ullmannite (NiSbS). University Toronto Studies, Geology Series: 52: 7l-80.
Bayliss, P. and Stephenson, N.C. (1967) The crystal structure of gersdorffite. Mineralogical Magazine and Journal of the Mineralogical Society: 36: 38-41. https://rruff-2.geo.arizona.edu/uploads/MM36_38.pdf
Bayliss, P. (1968) Crystal structure of disordered gersdorffite. American Mineralogist: 53(1-2): 290.
Bayliss, P. and Stephenson, N.C. (1968) The crystal structure of gersdorffite (III), a distorted and disordered pyrite structure. Mineralogical Magazine: 36(283): 940-947. http://www.minersoc.org/pages/Archive-MM/Volume_36/36-283-940.pdf
Bayliss, P. (1969) X-ray data, optical anisotropism, and thermal stability of cobaltite, gersdorffite, and ullmannite. Mineralogical Magazine: 37(285): 26-33. http://www.minersoc.org/pages/Archive-MM/Volume_37/37-285-26.pdf
Bayliss, P. (1982) A further crystal structure refinement of gersdorffite. American Mineralogist: 67(9-10): 1058-1064.
Spiridonov, E.M. and Chvileva, T.N. (1995) The boundary between gersdorffite NiAsS and krutovite NiAs2. Doklady Akad. Nauk: 341(6): 785–787 (English translation in Trans. Russ. Acad. Sci., Earth Sci. Sect., 344(7), 119–123).
Béziat, D., Monchoux, P., and Tollon, F. (1996) Cobaltite-gersdorffite solid solution as a primary magmatic phase in spessartite, Lacaune area, Montagne Noire, France. The Canadian Mineralogist: 34(3): 503-512. http://rruff.info/doclib/cm/vol34/CM34_503.pdf
Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403.
Fanlo, I., Subías, I., Gervilla, F., and Manuel, J. (2006) Textures and compositional variability in gersdorffite from the Crescencia Ni–(Co–U) showing, Central Pyrenees, Spain: primary deposition or re-equilibration? The Canadian Mineralogist: 44(6): 1513-1528. https://rruff-2.geo.arizona.edu/uploads/CM44_1513.pdf

Internet Links for GersdorffiteHide

Localities for GersdorffiteHide

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 ListShow

Mineral and/or Locality  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2017, except where stated. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: November 20, 2017 09:34:16 Page generated: November 6, 2017 23:35:37
Go to top of page