IMPORTANT MESSAGE. We need your support now to keep mindat.org running. Click here to find out why.
Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for Educators
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch 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 ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

Wilkmanite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ni3Se4
Colour:
Yellow-gray
Lustre:
Metallic
Hardness:
Crystal System:
Monoclinic
Name:
Named after Wanold Wrydon Wilkman (March 13, 1872 Uusikirkko - December 27, 1937 Helsinki), Finnish geologist.
This page provides mineralogical data about Wilkmanite.


Hide all sections | Show all sections

Classification of WilkmaniteHide

Approved, 'Grandfathered' (first described prior to 1959)
2.D0.15

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
0 :
2.10.2.1

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
3.11.17

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

Physical Properties of WilkmaniteHide

Metallic
Transparency:
Opaque
Colour:
Yellow-gray
Hardness:
2½ on Mohs scale

Chemical Properties of WilkmaniteHide

Formula:
Ni3Se4
Common Impurities:
Co,Cu,Fe

Crystallography of WilkmaniteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 6.22 Å, b = 3.63 Å, c = 10.52 Å
β = 90.53°
Ratio:
a:b:c = 1.713 : 1 : 2.898
Unit Cell V:
237.52 ų (Calculated from Unit Cell)

Type Occurrence of WilkmaniteHide

Other Language Names for WilkmaniteHide

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

2.10.2.2BrezinaiteCr3S4Mon. 2/m
2.10.2.3Heideite(Fe,Cr)1.15(Ti,Fe)2S4Mon. 2/m

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.
3.11.18KulleruditeNiSe2Orth. 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
3.11.34GersdorffiteNiAsSIso. m3 (2/m 3) : Pa3
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 WilkmaniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Vuorelainen Y., Huhma A., Häkli A. (1964): Sederholmite, wilkmanite, kullerudite, mäkinenite, and trüstedtite, five new nickel selenide minerals. Comptes Rendus de la Société Géologique de Finlande. 36, 113-125
American Mineralogist (1965): 50: 519-520.

Internet Links for WilkmaniteHide

Localities for WilkmaniteHide

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.
Finland
 
  • Northern Finland Region
Vuorelainen Y, Huhma A, Häkli A (1964): Sederholmite, wilkmanite, kullerudite, mäkinenite, and trüstedtite, five new nickel selenide minerals. Comptes Rendus de la Société Géologique de Finlande. 36, 113-125 ; Econ Geol (1997) 92:468-484
Vuorelainen Y., Huhma A., Häkli A. (1964): Sederholmite, wilkmanite, kullerudite, mäkinenite, and trüstedtite, five new nickel selenide minerals. Comptes Rendus de la Société Géologique de Finlande. 36, 113-125.
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 1993-2018, 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: October 23, 2018 00:33:36 Page generated: October 1, 2018 19:35:17
Go to top of page