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Orcelite

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Tiébaghi Massif, Koumac Commune, Northern Province, New Caledonia

Formula:
Ni
 
5-x
As
 
2
System:Hexagonal
This page provides mineralogical data about Orcelite.

Classification of Orcelite

IMA status:Approved
Strunz 8th edition ID:2/A.04-20
Nickel-Strunz 10th (pending) edition ID:2.AB.10

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
A : Alloys
B : Ni-metalloid alloys
Dana 8th edition ID:2.3.2.1

2 : SULFIDES
3 : AmBnXp, with (m+n):p = 5:2
Hey's CIM Ref.:3.11.25

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
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Type Occurrence of Orcelite

Type Locality:Tiébaghi Massif, Koumac Commune, Northern Province, New Caledonia
Year of Discovery:1959

Crystallography of Orcelite

Crystal System:Hexagonal
Cell Parameters:a = 6.7Å, c = 12.39Å
Ratio:a:c = 1 : 1.849
Unit Cell Volume:V 481.67 ų (Calculated from Unit Cell)

Chemical Properties of Orcelite

Formula:
Ni
 
5-x
As
 
2
Essential elements:As, Ni
All elements listed in formula:As, Ni
Common Impurities:Fe,S,Si,Mg,H2O

Relationship of Orcelite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
2.AB.15Maucherite
Ni
 
11
As
 
8
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
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
3.11.17Wilkmanite
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
3.11.26Maucherite
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 ratio Co:Ni = 5:1
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 Orcelite

Other Languages:
German:Orcelit
Spanish:Orcelita

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 Orcelite

Reference List:American Mineralogist (1960): 45: 753-754.

Canadian Mineralogist (1984): 22: 553.

Articles/Blogs about Orcelite

Internet Links for Orcelite

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Orcelite in the Natural History Museum (London) online catalogue
  • Orcelite details from Handbook of Mineralogy (PDF)
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    Localities for Orcelite

    (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.
    Bulgaria
     
    • Blagoevgrad Oblast
      • Rhodope Mts
        • Gotse Delchev
    		Kerestedjian, T. et al. (2007): Godlevskite Ni9S8 from Dobromirtsi, Central Rhodopes, Bulgaria: First report for the country and genetic implications. Geochemistry, Mineralogy and Petrology 45, 19-28. (in Bulgarian with English abs.)
    Germany
     
    • Lower Saxony
      • Harz Mts
        • Lautenthal
          • Wolfshagen
    		No reference listed
    Greece
     
    • Macedonia Department
      • Kozáni Prefecture
        • Kozáni and Grevena prefectures border area
          • Vourinos Mt ophiolite complex
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Italy
     
    • Lombardy
      • Sondrio Province
    		AA. VV., 1996. Collezionare minerali. Hobby & Work
    New Caledonia
     
    • Northern Province
      • Koumac Commune
    		[Clark, 1993 - "Hey's Mineral Index"]
    Spain
     
    • Andalusia
      • Málaga
        • Mijas
    		[Clark, 1993 - "Hey's Mineral Index"]
        • Sierra Alpujata
    		I. S. Oen, C. Kieft, E.A.J. Burke, A.B. Westerhof : "Orcelite and associated minerals in the Ni-Fe-As-S system in chromitites and orthopyroxenites of Nebral, Malaga, Spain", Bull. Minéral., 1980, 103, 198-208
    Sweden
     
    • Jämtland
      • Östersund
    		No reference listed
    Mineral and/or Locality
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