Mindat Logo

Wilkmanite

This page is currently not sponsored. Click here to sponsor this page.



Formula:
Ni
 
3
Se
 
4
System:MonoclinicColour:Yellow-gray
Hardness:
Name:Named after Wanold Wrydon Wilkman (1872-1937), Finnish geologist.
This page provides mineralogical data about Wilkmanite.

Classification of Wilkmanite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/D.05-20
Nickel-Strunz 10th (pending) edition ID: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 :
Dana 8th edition ID:2.10.2.1

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
Hey's CIM Ref.: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
mindat.org URL:http://www.mindat.org/min-4291.html
Please feel free to link to this page.

Type Occurrence of Wilkmanite

Type Locality:Kuusamo, Northern Finland Region, Finland
Year of Discovery:1964

Physical Properties of Wilkmanite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Yellow-gray
Hardness (Mohs):

Crystallography of Wilkmanite

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

Chemical Properties of Wilkmanite

Formula:
Ni
 
3
Se
 
4
Essential elements:Ni, Se
All elements listed in formula:Ni, Se
Common Impurities:Co,Cu,Fe

Relationship of Wilkmanite to other Species

Related Minerals - Hey's Index Grouping:

- +
3.11.1Heazlewoodite
Ni
 
3
S
 
2
3.11.2Godlevskite
(Ni,Fe)
 
9
S
 
8
3.11.3Millerite
NiS
3.11.4Polydymite
Ni
2+
 
Ni
3+
2
S
 
4
3.11.5Vaesite
NiS
 
2
3.11.6Shandite
Ni
 
3
Pb
 
2
S
 
2
3.11.7Donharrisite
Ni
 
8
Hg
 
3
S
 
9
3.11.8Violarite
Fe
2+
 
Ni
3+
2
S
 
4
3.11.9Pentlandite
(Fe,Ni)
 
9
S
 
8
3.11.10Bravoite
(Fe,Ni)S
 
2
3.11.11Siegenite
CoNi
 
2
S
 
4
-NiCo
 
2
S
 
4
3.11.12Fletcherite
Cu(Ni,Co)
 
2
S
 
4
3.11.13Villamaninite
(Cu,Ni,Co,Fe)S
 
2
3.11.14Mäkinenite
γ-NiSe
3.11.15Sederholmite
beta-NiSe
3.11.16Trüstedtite
Ni
 
3
Se
 
4
3.11.18Kullerudite
NiSe
 
2
3.11.19Penroseite
(Ni,Co,Cu)Se
 
2
3.11.20Tyrrellite
Cu(Co
3+
 
,Ni
3+
 
)
 
2
Se
 
4
3.11.21Imgreite
NiTe (?)
3.11.22Melonite
NiTe
 
2
3.11.23Kitkaite
NiTeSe
3.11.24Dienerite
3.11.25Orcelite
Ni
 
5-x
As
 
2
3.11.26Maucherite
Ni
 
11
As
 
8
3.11.27Nickeline
NiAs
3.11.28Rammelsbergite
NiAs
 
2
3.11.29Pararammelsbergite
NiAs
 
2
3.11.30Nickelskutterudite
NiAs
 
2-3
3.11.31Oregonite
Ni
 
2
FeAs
 
2
3.11.32Westerveldite
(Fe,Ni,Co)As
3.11.33Langisite
(Co,Ni)As
3.11.34Gersdorffite
NiAsS
3.11.35Jolliffeite
NiAsSe
3.11.36Breithauptite
NiSb
3.11.38Ullmannite
NiSbS
3.11.39Willyamite
(Co,Ni)SbS

Other Names for Wilkmanite

Other Languages:
German:Wilkmanit
Russian:Вилкманит
Spanish:Wilkmanita

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Wilkmanite

Reference List:

- +
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 Wilkmanite

Search Engines:
  • Look for Wilkmanite on Google
  • Look for Wilkmanite images on Google
  • External Links:
  • Look for Wilkmanite on Webmineral
  • Look for Wilkmanite on Athena Mineralogy
  • Look for Wilkmanite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Wilkmanite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • Search for minerals at Heliodor
  • Buy from David K Joyce minerals
  • rare and unusual minerals mainly crystallized
  • Fine Minerals from Weinrich Minerals, Inc.
  • Search for - Wilkmanite - on e-Rocks Mineral Sales & Auctions
  • High-end worldwide specimens & outstanding customer service
  • webminerals
  • Mineral Classics - Worldwide Collector Quality Minerals and Gems
  • Top quality minerals from Kristalle of California
  • Fabre Minerals - search for Wilkmanite specimens
  • Wilensky Fine Minerals
  • SpiriferMinerals.com - high quality low prices
  • Jobs:
  • Mining & Geology Jobs
  • Localities for Wilkmanite

    The 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.
    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    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
    Mineral and/or Locality
    Search Google
     
    Copyright © Jolyon Ralph and Ida Chau 1993-2012. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
    Current server date and time: 23rd Aug 2012 18:34:13
    Mineral and Locality Search
    Mineral:
    and/or Locality:
    Options
    Fade toolbar when not in focusFix toolbar to bottom of page
    Hide Social Media Links
    Slideshow frame delay seconds