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Oregonite

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Formula:
Ni2FeAs2
System:
Hexagonal
Colour:
White
Hardness:
5
Name:
Named for the state of Oregon, USA.
Oregonite has a high reflectivity, about 65%, in both air and oil.

Classification of Oregonite

Approved
2.BB.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
B : With Ni
2.5.4.1

2 : SULFIDES
5 : AmBnXp, with (m+n):p = 3:2
3.11.31

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 Oregonite

General Appearance of Type Material:
As water-rolled pebbles with a smooth brown crust. Matrix consists of 40 % penninite and serpentine.
Year of Discovery:
1959
Geological Setting of Type Material:
Placer Au-Ni-PGE (Pt-Ir)-Cr-Fe deposit.
Associated Minerals at Type Locality:

Physical Properties of Oregonite

Metallic
Colour:
White
Comment:
Color observed under the ore microscope
Hardness (Mohs):
5

Crystallography of Oregonite

Crystal System:
Hexagonal
Cell Parameters:
a = 6.08Å, c = 7.13Å
Ratio:
a:c = 1 : 1.173
Unit Cell Volume:
V 228.26 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
d-spacingIntensity
2.314(vs)
2.1195(vs)
1.991(s)
1.77885(s)
1.757(s)
1.739(s)
Comments:
Similiarity in pattern with heazlewoodite, but the latter is rhombohedral.

Optical Data of Oregonite

Type:
Anisotropic
Anisotropism:
Weak, but visible in air along grain boundaries.

Chemical Properties of Oregonite

Formula:
Ni2FeAs2
Essential elements:
All elements listed in formula:

Relationship of Oregonite to other Species

2.BB.HoromaniteFe6Ni3S8
2.BB.SamaniiteCu2Fe5Ni2S8
2.BB.UM2007-27-S:CuFeIrNiRh(Ni,Fe,Cu,Rh,Ir)11S9
2.BB.05HeazlewooditeNi3S2
2.BB.05Vozhminite(Ni,Co)4(As,Sb)S2
2.BB.05UM2007-30-S:FeFe3S2
2.BB.10ArsenohauchecorniteNi18Bi3AsS16
2.BB.10BismutohauchecorniteNi9Bi2S8
2.BB.10HauchecorniteNi9BiSbS8
2.BB.10TellurohauchecorniteNi9Bi(Te,Bi)S8
2.BB.10TučekiteNi9Sb2S8
2.BB.15ArgentopentlanditeAg(Fe,Ni)8S8
2.BB.15Cobaltpentlandite(Co,Ni,Fe)9S8
2.BB.15Geffroyite(Cu,Fe,Ag)9(Se,S)8
2.BB.15Godlevskite(Ni,Fe)9S8
2.BB.15Kharaelakhite(Cu,Pt,Pb,Fe,Ni)9S8
2.BB.15Manganoshadlunite(Mn,Pb,Cd)(Cu,Fe)8S8
2.BB.15Pentlandite(Fe,Ni)9S8
2.BB.15Shadlunite(Pb,Cd)(Fe,Cu)8S8
2.BB.15SugakiiteCu(Fe,Ni)8S8
2.BB.15UM2002-26-S:FeNi(Ni,Fe)9S8
3.11.1HeazlewooditeNi3S2
3.11.2Godlevskite(Ni,Fe)9S8
3.11.3MilleriteNiS
3.11.4PolydymiteNi2+Ni23+S4
3.11.5VaesiteNiS2
3.11.6ShanditeNi3Pb2S2
3.11.7DonharrisiteNi8Hg3S9
3.11.8ViolariteFe2+Ni23+S4
3.11.9Pentlandite(Fe,Ni)9S8
3.11.10Bravoite(Fe,Ni)S2
3.11.11SiegeniteCoNi2S4
3.11.12FletcheriteCu(Ni,Co)2S4
3.11.13Villamaninite(Cu,Ni,Co,Fe)S2
3.11.14Mäkineniteγ-NiSe
3.11.15Sederholmitebeta-NiSe
3.11.16TrüstedtiteNi3Se4
3.11.17WilkmaniteNi3Se4
3.11.18KulleruditeNiSe2
3.11.19Penroseite(Ni,Co,Cu)Se2
3.11.20TyrrelliteCu(Co3+,Ni3+)2Se4
3.11.21ImgreiteNiTe (?)
3.11.22MeloniteNiTe2
3.11.23KitkaiteNiTeSe
3.11.24Dienerite
3.11.25OrceliteNi5-xAs2, x ~ 0.25
3.11.26MaucheriteNi11As8
3.11.27NickelineNiAs
3.11.28RammelsbergiteNiAs2
3.11.29PararammelsbergiteNiAs2
3.11.30NickelskutteruditeNiAs3-x
3.11.32Westerveldite(Fe,Ni,Co)As
3.11.33Langisite(Co,Ni)As
3.11.34GersdorffiteNiAsS
3.11.35JolliffeiteNiAsSe
3.11.36BreithauptiteNiSb
3.11.38UllmanniteNiSbS
3.11.39Willyamite(Co,Ni)SbS

Other Names for Oregonite

Name in Other Languages:
German:Oregonit
Italian:Oregonite
Simplified Chinese:砷铁镍矿
Spanish:Oregonita

Other Information

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 Oregonite

Reference List:
Ramdohr V P, Schmitt M (1959) Oregonit ein neues Nickel-Eisenarsenid mit metallartigen Eigenschaften. Neues Jahrbuch für Mineralogie, Monatshefte 1959, 239-247.

American Mineralogist (1960): 45: 1130.

Internet Links for Oregonite

Localities for Oregonite

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 for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? 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.
Canada
 
  • Ontario
    • Cochrane District
      • Timmins area
        • Dundonald Township
Dana's New Mineralogy
Cyprus
 
  • Nicosia District (Lefkoşa District; Lefkosia District)
    • Skouriotissa
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Republic of Macedonia
 
  • Roszdan
Volkov, A.V., Serafimovski, T., Kochneva, N.T., Tomson, I.N., and Tasev, G. (2006): Geology of Ore Deposits 48(3), 175-192.
Russia
 
  • Far-Eastern Region
    • Kamchatka Oblast'
      • Koryak Mts
[MinRec 31:201]
USA (TL)
 
  • Oregon
    • Josephine Co.
      • Josephine Creek District
Ramdohr V P, Schmitt M (1959) Oregonit ein neues Nickel-Eisenarsenid mit metallartigen Eigenschaften. Neues Jahrbuch für Mineralogie, Monatshefte 1959, 239-247.; Fleischer M (1960) New mineral names. American Mineralogist 45, 1130-1136; Dick, H. J. (1974). Terrestrial nickel-iron from the Josephine peridotite, its geologic occurrence, associations, and origin. Earth and Planetary Science Letters, 24(2), 291-298
Mineral and/or Locality  
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