Mindat Logo
Home Page Log In Message Board The Mindat Directory
Register Search Pages Chat Now! (2 online) Mindat Auctions

Wilkmanite

Formula:
Ni
 
3
Se
 
4
System:MonoclinicColour:Yellow-gray
Hardness:2½
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, Oulun (Oulu) Lääni, Finland
Year of Discovery:1964

Physical Properties of Wilkmanite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:Yellow-gray
Hardness (Mohs):2½

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
from CoNi
 
2
S
 
4
 to NiCo
 
2
S
 
4
3.11.12Fletcherite
Cu(Ni,Co)
 
2
S
 
4
3.11.13Villamanínite
(Cu,Ni,Co,Fe)S
 
2
3.11.14Mäkinenite
γ-NiSe
3.11.15Sederholmite
NiSe 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:C.R. Soc. Géol. Finlande (1964): 36: 113.

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 Wikipedia
  • Look for Wilkmanite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Wilkmanite in the Natural History Museum (London) online catalogue
  • Wilkmanite details from Handbook of Mineralogy (PDF)
    • Mineral Dealers:
  • Fabre Minerals - search for Wilkmanite specimens
  • Wilensky Fine Minerals
  • Buy minerals from Mineralium.com
  • Rare and Unusual minerals at Mineralogical Research Company
  • Find Wilkmanite on www.crystalclassics.co.uk
  • DAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.
  • Lapis Mineral Magazin
  • High-end worldwide specimens & outstanding customer service
  • Buy Fine Minerals from mineralsweb.com
  • Buy from David K Joyce minerals
  • Top quality minerals from Kristalle of California
  • Search for - Wilkmanite - on e-Rocks Mineral Sales & Auctions
    • Jobs:
  • Mining & Geology Jobs

    • Page Sponsor

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

    Localities for Wilkmanite

    (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
     
    • Oulun (Oulu) Lääni
    		Bull. Comm. Geol. Finland, 215:113-125.; Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
    Mineral and/or Locality
    Google
     
    www.mindat.org Web
    Copyright © Jolyon Ralph and Ida Chau 1993-2009. 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. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 5th Nov 2009 08:59:13