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Penroseite

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Formula:
NiSe2
System:
Isometric
Colour:
Steel-gray
Lustre:
Metallic
Hardness:
2½ - 3
Member of:
Name:
For US mining geologist Richard Alexander Fullerton Penrose Jr. (December 17, 1863 - July 31, 1931).

Classification of Penroseite

Approved, 'Grandfathered' (first described prior to 1959)
2.EB.05a

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
2.12.1.4

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
3.11.19

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 Penroseite

Metallic
Diaphaneity (Transparency):
Opaque
Comment:
quickly tarnishes
Colour:
Steel-gray
Streak:
black
Hardness (Mohs):
2½ - 3
Hardness (Vickers):
VHN100=500 - 583 kg/mm2
Tenacity:
Brittle
Cleavage:
Perfect
Perfect on {001}; distinct on {011}
Fracture:
Sub-Conchoidal
Density:
6.58 - 6.74 g/cm3 (Measured)    6.7 g/cm3 (Calculated)

Chemical Properties of Penroseite

IMA Formula:
NiSe2
Elements listed in formula:
Common Impurities:
Ag,Hg,Pb,Fe,S

Crystallography of Penroseite

Crystal System:
Isometric
Class (H-M):
m3 (2/m 3) - Diploidal
Space Group:
Pa3
Space Group Setting:
Pa3
Cell Parameters:
a = 5.991 Å
Unit Cell Volume:
V 215.03 ų (Calculated from Unit Cell)
Z:
4
Morphology:
reniform masses with radiating columnar structure
X-Ray Powder Diffraction Data:
d-spacingIntensity
2.68 (100)
2.45 (100)
1.806 (90)
1.599 (40)
3.02 (30)
1.662 (30)
1.151 (30)

Type Occurrence of Penroseite

Place of Conservation of Type Material:
The Natural History Museum, London, England, 1926,1; Harvard University, Cambridge, Massachusetts, 87472; National Museum of Natural History, Washington, D.C., USA, 95302, R7247.
Geological Setting of Type Material:
hydrothermal veins

Relationship of Penroseite to other Species

Member of:
Other Members of Group:
2.EB.05aAurostibiteAuSb2
2.EB.05bBambollaiteCu(Se,Te)2
2.EB.05aCattieriteCoS2
2.EB.05aErlichmaniteOsS2
2.EB.05aFukuchiliteCu3FeS8
2.EB.05aGeversitePtSb2
2.EB.05aHaueriteMnS2
2.EB.05aInsizwaitePtBi2
2.EB.05aKrut'aiteCuSe2
2.EB.05aLauriteRuS2
2.EB.05aPyriteFeS2
2.EB.05aSperrylitePtAs2
2.EB.05aTrogtaliteCoSe2
2.EB.05aVaesiteNiS2
2.EB.05aVillamaniniteCuS2
2.EB.05aDzharkeniteFeSe2
2.EB.05aGaotaiiteIr3Te8
2.EB.10bAlloclasiteCoAsS
2.EB.10dCostibiteCoSbS
2.EB.10aFerroseliteCoSe2
2.EB.10aFrohbergiteFeTe2
2.EB.10cGlaucodotCo0.5Fe0.5AsS
2.EB.10aKulleruditeNiSe2
2.EB.10aMarcasiteFeS2
2.EB.10aMattagamiteCoTe2
2.EB.10eParacostibiteCoSbS
2.EB.10ePararammelsbergiteNiAs2
2.EB.10fOeniteCoSbAs
2.EB.15aAnduoiteRuAs2
2.EB.15aClinosaffloriteCoAs2
2.EB.15aLöllingiteFeAs2
2.EB.15aNisbiteNiSb2
2.EB.15aOmeiiteOsAs2
2.EB.15cPaxiteCuAs2
2.EB.15aRammelsbergiteNiAs2
2.EB.15aSaffloriteCoAs2
2.EB.15bSeinäjokiteFeSb2
2.EB.20ArsenopyriteFeAsS
2.EB.20GudmunditeFeSbS
2.EB.20OsarsiteOsAsS
2.EB.20RuarsiteRuAsS
2.EB.25CobaltiteCoAsS
2.EB.25GersdorffiteNiAsS
2.EB.25HollingworthiteRhAsS
2.EB.25IrarsiteIrAsS
2.EB.25JolliffeiteNiAsSe
2.EB.25KrutoviteNiAs2
2.EB.25MaslovitePtBiTe
2.EB.25MicheneritePdBiTe
2.EB.25PadmaitePdBiSe
2.EB.25PlatarsitePtAsS
2.EB.25TestibiopalladitePdTe(Sb,Te)
2.EB.25TolovkiteIrSbS
2.EB.25UllmanniteNiSbS
2.EB.25WillyamiteCoSbS
2.EB.25ChangchengiteIrBiS
2.EB.25MayingiteIrBiTe
2.EB.25Hollingsworthite(Rh,Pt,Pd)AsS
2.EB.25KalungaitePdAsSe
2.EB.25MilotaitePdSbSe
2.EB.30UrvantsevitePd(Bi,Pb)2
2.EB.35RheniiteReS2
3.11.1HeazlewooditeNi3S2
3.11.2Godlevskite(Ni,Fe)9S8
3.11.3MilleriteNiS
3.11.4PolydymiteNi3S4
3.11.5VaesiteNiS2
3.11.6ShanditePb2Ni3S2
3.11.7DonharrisiteNi8Hg3S9
3.11.8ViolariteFe2+Ni23+S4
3.11.9Pentlandite(Ni,Fe)9S8
3.11.10Bravoite(Fe,Ni)S2
3.11.11SiegeniteCoNi2S4
3.11.12FletcheriteCuNi2S4
3.11.13VillamaniniteCuS2
3.11.14MäkineniteNiSe
3.11.15SederholmiteNiSe
3.11.16TrüstedtiteNi3Se4
3.11.17WilkmaniteNi3Se4
3.11.18KulleruditeNiSe2
3.11.20Tyrrellite(Co,Cu,Ni)3Se4
3.11.21ImgreiteNiTe (?)
3.11.22MeloniteNiTe2
3.11.23KitkaiteNiTeSe
3.11.24Dienerite
3.11.25OrceliteNi5-xAs2 (x=0.23)
3.11.26MaucheriteNi11As8
3.11.27NickelineNiAs
3.11.28RammelsbergiteNiAs2
3.11.29PararammelsbergiteNiAs2
3.11.30Nickelskutterudite(Ni,Co,Fe)As3
3.11.31OregoniteFeNi2As2
3.11.32WestervelditeFeAs
3.11.33LangisiteCoAs
3.11.34GersdorffiteNiAsS
3.11.35JolliffeiteNiAsSe
3.11.36BreithauptiteNiSb
3.11.38UllmanniteNiSbS
3.11.39WillyamiteCoSbS

Other Names for Penroseite

Name in Other Languages:
Simplified Chinese:硒铜镍矿
Traditional Chinese:硒銅鎳礦

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 Penroseite

Reference List:
Gordon (1926) Ac. Sc. Philadelphia, Proc.: 77: 317.

Gordon S G (1926) Proceedings of societies: Penroseite and trudellite, two new minerals. American Mineralogist 11, 39-43

Herzenberg R, Ahlfeld F (1935) Blockit, ein neues seienerz aus Bolivien. Zentralblatt für Mineralogie, Geologie und Paläontologie 6, 277-279

Bannister F A, Hey M H (1937) The identity of penroseite and blockite. American Mineralogist 22, 319-324

Palache, Charles, Harry Berman & Clifford Frondel (1944), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana Yale University 1837-1892, Volume I: Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, Inc., New York. 7th edition, revised and enlarged: 294-296.

Mineralogical Record (2003): 34: 352-354.

Internet Links for Penroseite

mindat.org URL:
https://www.mindat.org/min-3151.html
Please feel free to link to this page.

Localities for Penroseite

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.
Bolivia
 
  • Potosí Department
    • Antonio Quijarro Province
[MinRec 21:133]
    • Chayanta Province
      • Pakajake Canyon (Pacajake Canyon)
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 635; Proc. Acad. Sci., Philadelphia (1925): 77, 317-324.; Amer.Min.(1969) 54, 1519-1527; MINERALOGICAL MAGAZINE, DECEMBER 1984, VOL. 48, PP. 560 2
Canada
 
  • Nova Scotia
    • Hants Co.
      • Walton
R.W. Boyle and J. L. Jambor "Mineralogy, Geochemistry and Origin of the Magnet Cove Barite-Sulphide Deposit, Walton, N.S.", Canadian Mining and Metallurgical Bulletin, vol. 59, no. 654, pp. 1209-1228, 1966.
China
 
  • Inner Mongolia Autonomous Region
    • Alxa League (Alashan Prefecture)
      • Alxa Right Banner (Alashan Youqi)
Jiayong Pan, Chengdong Liu, Guolin Guo, Anping Chen, Fazheng Chen, Zhaobin Yan, Yiping Chen, and Rengui Wu (2009): Acta Mineralogica Sinica 29(1), 44-48
  • Sichuan Province
    • Ngawa Autonomous Prefecture (Aba Autonomous Prefecture)
      • Zoigê Co. (Ruo'ergai Co.)
Liu Jia-jun, Liu Xian-fan, Ling Hong-fei, Liu Jian-ming, and Lu Wen-quan (2000): Geological Journal of China Universities 6(2), 210-214.
Democratic Republic of Congo (Zaïre)
 
  • Katanga (Shaba)
    • Katanga Copper Crescent
      • Shinkolobwe
www.ulb.ac.be/sciences/katangapgm/CAP.pdf.
Finland
 
  • Northern Finland Region
Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
Am Min 50:581-586
France
 
  • Auvergne-Rhône-Alpes
    • Puy-de-Dôme
      • Saint-Amant-Tallende
        • Olloix
Patrice Queneau Collection
Germany
 
  • Bavaria
    • Upper Palatinate
Seeliger, E. & Strunz, H. (1965): Erzpetrographie der Uranmineralien von Wölsendorf. II. Brannerit, Lermontovit(?), Selen und Selenide, Ni- and Bi-Begleitmineralien etc. Neues Jahrbuch für Mineralogie, Abhandlungen 103, 163-178.
Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Lower Saxony
    • Harz
      • Lautenthal
Wittern: "Mineralfundorte in Deutschland", 2001
  • Rhineland-Palatinate
    • Siegerland
      • Niederfischbach
Schnorrer-Köhler (198); Weiss: "Mineralfundstellen, Deutschland West", 1990; Henrich, J. M. (2010): Penroseit von der Grube Fischbacherwerk bei Niederfischbach. Mineralien-Welt 21 (3), 14-15.
  • Saxony-Anhalt
    • Harz
Wittern: "Mineralfundorte in Deutschland", 2001
Romania
 
  • Suceava Co.
    • Suceava district
      • Iacobeni (Jakobeny; Jacobeny; Jakabfalva)
http://minerals-of-the-carpathians.eu
Spain
 
  • Castile and Leon
    • León
      • Cármenes (Villamanín)
        • Villanueva de Pontedo
Econ Geol (1997) 92:468-484
UK
 
  • England
    • Devon
      • South Devon
        • Torquay
[Camm, 1995, 71 - "Gold in the Counties of Cornwall and Devon"]; C. J. Stanley, A. J. Criddle and D. Lloyd (1990) Precious and Base Metal Selenide Mineralization at Hope's Nose, Torquay, Devon. Mineralogical Magazine 54:485-493
Mineral and/or Locality  
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