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Oregonite

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Flag of Oregon
Formula:
Ni2FeAs2
Colour:
White
Lustre:
Metallic
Hardness:
5
Specific Gravity:
6.92 (Calculated)
Crystal System:
Hexagonal
Name:
Named by V.P. Ramdohr and M. Schmitt in 1959 for the state of Oregon, USA that includes the type locality.
Oregonite has a high reflectivity, about 65%, in both air and oil.


Hide all sections | Show all sections

Classification of OregoniteHide

Approved
First Published:
1959
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

Physical Properties of OregoniteHide

Metallic
Transparency:
Opaque
Colour:
White
Comment:
Color observed under the ore microscope
Hardness:
Tenacity:
Malleable
Density:
6.92 g/cm3 (Calculated)

Optical Data of OregoniteHide

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

Chemical Properties of OregoniteHide

Formula:
Ni2FeAs2
IMA Formula:
FeNi2As2

Crystallography of OregoniteHide

Crystal System:
Hexagonal
Cell Parameters:
a = 6.08 Å, c = 7.13 Å
Ratio:
a:c = 1 : 1.173
Unit Cell V:
228.26 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

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.

Type Occurrence of OregoniteHide

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

Other Language Names for OregoniteHide

German:Oregonit
Italian:Oregonite
Simplified Chinese:砷铁镍矿
Spanish:Oregonita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Awaruite1 photo of Oregonite associated with Awaruite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

2.BB.HoromaniteFe6Ni3S8Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
2.BB.SamaniiteCu2Fe5Ni2S8Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
2.BB.UM2007-27-S:CuFeIrNiRh(Ni,Fe,Cu,Rh,Ir)11S9
2.BB.05HeazlewooditeNi3S2Trig. 3 2 : R3 2
2.BB.05Vozhminite(Ni,Co)4(As,Sb)S2Hex.
2.BB.05UM2007-30-S:FeFe3S2
2.BB.10ArsenohauchecorniteNi18Bi3AsS16Tet.
2.BB.10BismutohauchecorniteNi9Bi2S8Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
2.BB.10HauchecorniteNi9BiSbS8Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
2.BB.10TellurohauchecorniteNi9Bi(Te,Bi)S8Tet.
2.BB.10TučekiteNi9Sb2S8Tet.
2.BB.15ArgentopentlanditeAg(Fe,Ni)8S8Iso. m3m (4/m 3 2/m) : Fm3m
2.BB.15Cobaltpentlandite(Co,Ni,Fe)9S8Iso. m3m (4/m 3 2/m) : Fm3m
2.BB.15Geffroyite(Cu,Fe,Ag)9(Se,S)8Iso. m3m (4/m 3 2/m) : Fm3m
2.BB.15Godlevskite(Ni,Fe)9S8Orth. 2 2 2 : C2 2 2
2.BB.15Kharaelakhite(Cu,Pt,Pb,Fe,Ni)9S8Orth. mmm (2/m 2/m 2/m) : Pmmm
2.BB.15Manganoshadlunite(Mn,Pb,Cd)(Cu,Fe)8S8
2.BB.15Pentlandite(FexNiy)Σ9S8Iso. m3m (4/m 3 2/m) : Fm3m
2.BB.15Shadlunite(Pb,Cd)(Fe,Cu)8S8
2.BB.15SugakiiteCu(Fe,Ni)8S8Tet. 4/mmm (4/m 2/m 2/m) : P42/mnm
2.BB.15UM2002-26-S:FeNi(Ni,Fe)9S8Hex.

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.
3.11.17WilkmaniteNi3Se4Mon.
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
3.11.32Westerveldite(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 OregoniteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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.
International Mineralogical Association (1962) International Mineralogical Association: Commission on new minerals and mineral names. Mineralogical Magazine: 33: 260-263.

Internet Links for OregoniteHide

Localities for OregoniteHide

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.
Canada
 
  • Ontario
    • Cochrane District
      • Timmins area
        • Dundonald Township
Dana's New Mineralogy
Cyprus
 
  • Limassol District (Lemesos District; Limasol District; Leymosun District)
Foose, M. P., Economou, M., & Panayiotou, A. (1985). Compositional and mineralogic constraints on the genesis of ophiolite hosted nickel mineralization in the Pevkos Area, Limassol Forest, Cyprus. Mineralium Deposita, 20(4), 234-240.
  • Nicosia District (Lefkoşa District; Lefkosia District)
    • Skouriotissa
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
Republic of Macedonia
 
  • Kavadarci
    • Rožden (Rozhden; 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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