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Ferroselite

Big Photo

Molly Hogan Group (Parco No. 4 & No. 5), Parco Mine Group, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
© Brent Thorne

Formula:
FeSe
 
2
System:OrthorhombicColour:Rosy cream
Lustre:MetallicHardness:6 - 6½
Dimorph of:Dzharkenite


Marcasite Group.

Classification of Ferroselite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:2/D.20-20
Nickel-Strunz 10th (pending) edition ID:2.EB.10a

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.
Dana 8th edition ID:2.12.2.2

2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
Hey's CIM Ref.:3.9.9

3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
9 : Sulphides etc. of Fe
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Type Occurrence of Ferroselite

Type Locality:Ust' Uyok (Ust'-Uyuk) deposit, Turan District, Tuva Republic, Eastern-Siberian Region, Russia
Year of Discovery:1955

Physical Properties of Ferroselite

Lustre:Metallic
Colour:Rosy cream
Streak:Black
Hardness (Mohs):6 - 6½

Crystallography of Ferroselite

Crystal System:Orthorhombic
Cell Parameters:a = 4.8Å, b = 5.77Å, c = 3.58Å
Ratio:a:b:c = 0.832 : 1 : 0.62
Unit Cell Volume:V 99.15 ų (Calculated from Unit Cell)

Chemical Properties of Ferroselite

Formula:
FeSe
 
2
Essential elements:Fe, Se
All elements listed in formula:Fe, Se
Common Impurities:Co

Relationship of Ferroselite to other Species

Member of Group:
Marcasite Group:
Related Minerals - Nickel-Strunz Grouping):

- +
2.EB.05aAurostibite
AuSb
 
2
2.EB.05bBambollaite
Cu(Se,Te)
 
2
2.EB.05aCattierite
CoS
 
2
2.EB.05aErlichmanite
OsS
 
2
2.EB.05aFukuchilite
Cu
 
3
FeS
 
8
2.EB.05aGeversite
PtSb
 
2
2.EB.05aHauerite
MnS
 
2
2.EB.05aInsizwaite
Pt(Bi,Sb)
 
2
2.EB.05aKrut'aite
CuSe
 
2
2.EB.05aLaurite
RuS
 
2
2.EB.05aPenroseite
(Ni,Co,Cu)Se
 
2
2.EB.05aPyrite
FeS
 
2
2.EB.05aSperrylite
PtAs
 
2
2.EB.05aTrogtalite
CoSe
 
2
2.EB.05aVaesite
NiS
 
2
2.EB.05aVillamanínite
(Cu,Ni,Co,Fe)S
 
2
2.EB.05aDzharkenite
FeSe
 
2
2.EB.05aGaotaiite
Ir
 
3
Te
 
8
2.EB.10bAlloclasite
(Co
 
0.65
Fe
 
0.35
)AsS - CoAsS
2.EB.10dCostibite
CoSbS
2.EB.10aFrohbergite
FeTe
 
2
2.EB.10cGlaucodot
(Co
 
0.50
Fe
 
0.50
)AsS
2.EB.10aKullerudite
NiSe
 
2
2.EB.10aMarcasite
FeS
 
2
2.EB.10aMattagamite
CoTe
 
2
2.EB.10eParacostibite
CoSbS
2.EB.10ePararammelsbergite
NiAs
 
2
2.EB.10fOenite
CoSbAs
2.EB.15aAnduoite
(Ru,Os)As
 
2
2.EB.15aClinosafflorite
(Co,Fe,Ni)As
 
2
2.EB.15aLöllingite
FeAs
 
2
2.EB.15aNisbite
NiSb
 
2
2.EB.15aOmeiite
(Os,Ru)As
 
2
2.EB.15cPaxite
CuAs
 
2
2.EB.15aRammelsbergite
NiAs
 
2
2.EB.15aSafflorite
(Co,Fe,Ni)As
 
2
2.EB.15bSeinäjokite
(Fe,Ni)(Sb,As)
 
2
2.EB.20Arsenopyrite
FeAsS - (Fe
 
0.90
Co
 
0.10
)AsS
2.EB.20Gudmundite
FeSbS
2.EB.20Osarsite
(Os,Ru)AsS
2.EB.20Ruarsite
(Ru,Os)AsS
2.EB.25Cobaltite
CoAsS
2.EB.25Gersdorffite
NiAsS
2.EB.25Hollingworthite
(Rh,Pt,Pd)AsS
2.EB.25Irarsite
(Ir,Ru,Rh,Pt)AsS
2.EB.25Jolliffeite
NiAsSe
2.EB.25Krutovite
NiAs
 
2
2.EB.25Maslovite
PtBiTe
2.EB.25Michenerite
PdBiTe
2.EB.25Padmaite
PdBiSe
2.EB.25Platarsite
(Pt,Rh,Ru)AsS
2.EB.25Testibiopalladite
PdTe(Sb,Te)
2.EB.25Tolovkite
IrSbS
2.EB.25Ullmannite
NiSbS
2.EB.25Willyamite
(Co,Ni)SbS
2.EB.25Changchengite
IrBiS
2.EB.25Mayingite
IrBiTe
2.EB.25Hollingsworthite
2.EB.25Kalungaite
PdAsSe
2.EB.25Milotaite
PdSbSe
2.EB.30Urvantsevite
Pd(Bi,Pb)
 
2
2.EB.35Rheniite
ReS
 
2
Related Minerals - Hey's Index Grouping:

- +
3.9.1Pyrrhotite
Fe
 
7
S
 
8
, (-4M), also given as Fe
 
1-x
S (x = 0 - 0.2)
3.9.3Pyrite
FeS
 
2
3.9.4Marcasite
FeS
 
2
3.9.5Greigite
Fe
2+
 
Fe
3+
2
S
 
4
3.9.6Mackinawite
(Fe,Ni)
 
9
S
 
8
3.9.7Smythite
(Fe,Ni)
 
9
S
 
11
3.9.8Achavalite
FeSe
3.9.10Frohbergite
FeTe
 
2
3.9.11Löllingite
FeAs
 
2
3.9.12Arsenopyrite
FeAsS - (Fe
 
0.90
Co
 
0.10
)AsS
3.9.13Gudmundite
FeSbS

Other Names for Ferroselite

Other Languages:
German:Ferroselit
Russian:Ферроселит
Spanish:Ferroselita

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 Ferroselite

Reference List:American Mineralogist: 41: 671.

Internet Links for Ferroselite

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  • Raman and XRD data at RRUFF project
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  • Ferroselite details from Handbook of Mineralogy (PDF)
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    Localities for Ferroselite

    Hide Locality List
    The 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. ? 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.
    Argentina
     
    • La Rioja
      • Famatina
        • Puerto Alegre
    		Paar, et al. (1996): Revista de la Asociacion Geologica Argentina 51 (4):304-312
    Recursos Minerales de la Republica Argentina, E. O. Zappettini Ed., Buenos Aires 1999 ISSN 0328-2325
    No reference listed
      • Sierra de Umango
        • Sierra de Cacho
    		Milka K. de Brodtkorb (2002) Las Especies Minerales de la Republica Argentina. Vol. 1 (elements, sulphides and sulphosalts). (Asociacion Mineralogica Argentina)
    China
     
    • Gansu (Ganzu) Province
      • Gannan Autonomous Prefecture
        • Luqu Co.
          • Western Qinling gold belt
    		Wen Hanjie and Qiu Yuzhou (2001): Presentation at the 11th Annual V.M. Goldschmidt Conference, Abstract no. 3506.
    • Guizhou Province
      • Guiyang Prefecture
        • Kaiyang Co.
    		Chen Luming, Zhang Qifa, Li Deren, and Wang Guanxin (1993): Acta Mineralogica Sinica 13(1), 7-11.
    Wu Shenyun, Wang Deshang, and Ma Zhanwen (1982): Rock and Mineral Analysis 1(4), 25-29.
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Central Bohemia Region
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
      • Plzeň Region
        • Planá
    		Scharmová, M.: Nové nálezy selenidů a telluridů na uranových ložiskách Zadní Chodov a Vítkov II. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1998, roč. 6, s. 212-216.
    • Moravia (Mähren; Maehren)
      • Vysočina Region
        • Nové Město na Moravě
    		Kvaček, M.: Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica, 1979, vol. 23, nos. 1-2, s. 15-38. ; Econ Geol (1997) 92:468-484
    Kvaček, M.: Selenides from the deposits of Western Moravia, Czechoslovakia – Part II. Acta Universitatis Carolinae – Geologica, 1979, vol. 23, nos. 1-2, s. 15-38.
        • Rožná deposit
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990
    Finland
     
    • Oulun (Oulu) Lääni
    		Anthony, Bideaux, Bladh, Nichols: "Handbook of Mineralogy", Vol. 1, 1990; Econ Geol (1997) 92:468-484
    Germany
     
    • Bavaria
      • Upper Palatinate
        • Schwandorf
          • Wölsendorf Fluorite mining District
    		Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Lower Saxony
      • Harz Mts
        • Lautenthal
    		pers. comm. Frank Keutsch (ID: SEM/EDS refl. light)
        • St Andreasberg District
          • St Andreasberg
    		Wittern: "Mineralfundorte in Deutschland", 2001
    • Saxony
      • Erzgebirge
        • Schlema-Hartenstein District
          • Alberoda
    		The Canadian Mineralogist, V 42, 2004, pp. 1719-1732.
      • Oberlausitz
        • Niesky
          • Horscha
    		Witzke, T. & Giesler, T. (2007): Der Schieferabbau Pansberg bei Horscha in der Lausitz, Sachsen. Lapis 32 (7-8), 68-73; 86.
    Kazakhstan
     
    • Taldyqorghan Oblysy (Taldy-Kurgan [Taldykorgon] Oblast')
      • Middle Ili River
        • Dzharkenskaya Depression
    		Pavel M. Kartashov data
    Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Russia
     
    • Eastern-Siberian Region
      • Tuva Republic
        • Turan District
    		DAN-SSSR,(1955) 105, 812-813; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
    Sweden
     
    • Östergötland
      • Valdemarsvik
    		Sandström, F. (2007): Skrikerum. Litiofilen 24 (1), 22-38
    USA
     
    • Colorado
      • Dolores Co.
    		Minerals of Colorado (1997) Eckels, E. B.
      • Montrose Co.
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
          • Paradox Valley
    		Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.; Am Min 53:2075-2077
    Minerals of Colorado (1997) Eckels, E. B.
    Minerals of Colorado (1997) Eckels, E. B.
    • New Mexico
      • McKinley Co.
    		Northrop, Minerals of New Mexico, 3rd Rev. Ed., 1996
    Northrop, Minerals of New Mexico, 3rd rev. ed, 1996
    Minerals of New Mexico 3rd ed.; Am Min 53:2075-2077
    NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    Econ Geol (1997) 92:468-484
    NMBMMR Memoir 38 Geology and Technology of the Grants Uranium Region 1979
        • Laguna District
    		NMBMMR Memoir 15 Geology and Technology of the Grants Uranium Region
    • Utah
      • Emery Co.
        • San Rafael District (San Rafael Swell)
    		UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Grand Co.
        • Thompsons District (S. E. Thomsons)
          • Parco Mine Group
        • Yellow Cat District (W. part of Thompsons District)
    		Van King
      • San Juan Co.
        • Blanding
    		No reference listed
    Mineral and/or Locality
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