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Greigite

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Matra Mine, Matra, Moïta, Corte, Haute-Corse, Corsica, France
© 2007 Peter Cristofono

Formula:
Fe
2+
 
Fe
3+
2
S
 
4
System:IsometricColour:metallic pinkish, ...
Lustre:EarthyHardness:4 - 4½
Name:Named after J. W. Greig (1895-1977), a mineralogist and physical chemist at Pennsylvania State University, State College, Pennsylvania, USA


Linnaeite Group and Thiospinel Group.
Iron thiospinel occurs always in small crystals to 0.03 mm and as an X-ray amorphous colloidal precipitate from an iron sulfide gel known as the melnikovite of Doss.

Classification of Greigite

IMA status:Approved
Strunz 8th edition ID:2/D.01-10
Nickel-Strunz 10th (pending) edition ID:2.DA.05

2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
D : Metal Sulfides, M: S = 3 :4 and 2:3
A : M:S = 3:4
Dana 8th edition ID:2.10.1.10

2 : SULFIDES
10 : AmBnXp, with (m+n):p = 3:4
Hey's CIM Ref.:3.9.5

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 Greigite

Type Locality:Kramers-Four Corners area, San Bernardino Co., California, USA
Year of Discovery:1964

Physical Properties of Greigite

Lustre:Earthy
Colour:metallic pinkish, tarnishing to a metallic blue, sooty black when amorphous
Streak:black
Hardness (Mohs):4 - 4½

Crystallography of Greigite

Crystal System:Isometric
Cell Parameters:a = 9.87Å
Unit Cell Volume:V 961.50 ų (Calculated from Unit Cell)

Optical Data of Greigite

Type:Isotropic

Chemical Properties of Greigite

Formula:
Fe
2+
 
Fe
3+
2
S
 
4
Essential elements:Fe, S
All elements listed in formula:Fe, S
Common Impurities:Cu,Ni,Zn,Mn,Cr,Sb,As

Relationship of Greigite to other Species

Series:Forms a series with Violarite (see here)
Member of Group:
Thiospinel Group:
AB
 
2
X
 
4
Related Minerals - Nickel-Strunz Grouping):

- +
2.DA.05Bornhardtite
Co
2+
 
Co
3+
2
Se
 
4
2.DA.05Carrollite
Cu(Co,Ni)
 
2
S
 
4
2.DA.05Cuproiridsite
(Cu,Fe)Ir
 
2
S
 
4
2.DA.05Cuprorhodsite
(Cu,Fe)Rh
 
2
S
 
4
2.DA.05Daubréelite
Fe
2+
 
Cr
3+
2
S
 
4
2.DA.05Fletcherite
Cu(Ni,Co)
 
2
S
 
4
2.DA.05Florensovite
(Cu,Zn)Cr
 
1.5
Sb
 
0.5
S
 
4
2.DA.05Indite
FeIn
 
2
S
 
4
2.DA.05Kalininite
ZnCr
 
2
S
 
4
2.DA.05Linnaeite
Co
2+
 
Co
3+
2
S
 
4
2.DA.05Malanite
Cu(Pt
3+
 
,Ir
3+
 
)
 
2
S
 
4
2.DA.05Polydymite
Ni
2+
 
Ni
3+
2
S
 
4
2.DA.05Siegenite
from CoNi
 
2
S
 
4
 to NiCo
 
2
S
 
4
2.DA.05Trüstedtite
Ni
 
3
Se
 
4
2.DA.05Tyrrellite
Cu(Co
3+
 
,Ni
3+
 
)
 
2
Se
 
4
2.DA.05Violarite
Fe
2+
 
Ni
3+
2
S
 
4
2.DA.05Xingzhongite
(Pb,Cu,Fe)(Ir,Pt,Rh)
 
2
S
 
4
2.DA.05Ferrorhodsite
(Fe,Cu)(Rh,Ir,Pt)
 
2
S
 
4
2.DA.05Cadmoindite
CdIn
 
2
S
 
4
2.DA.10Rhodostannite
Cu
 
2
FeSn
 
3
S
 
8
2.DA.10Toyohaite
Ag
 
2
FeSn
 
3
S
 
8
2.DA.15Brezinaite
Cr
 
3
S
 
4
2.DA.15Heideite
(Fe,Cr)
 
1.15
(Ti,Fe)
 
2
S
 
4
2.DA.20Inaglyite
Cu
 
3
Pb(Ir,Pt)
 
8
S
 
16
2.DA.20Konderite
Cu
 
3
Pb(Rh,Pt,Ir)
 
8
S
 
16
2.DA.25Kingstonite
(Rh,Ir,Pt)
 
3
S
 
4
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
3.9.6Mackinawite
(Fe,Ni)
 
9
S
 
8
3.9.7Smythite
(Fe,Ni)
 
9
S
 
11
3.9.8Achavalite
FeSe
3.9.9Ferroselite
FeSe
 
2
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 Greigite

Synonyms:
IMA1963-007Melnikovite of Doss
Other Languages:
German:Greigit
Russian:Грейгит
Spanish:Greigita

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 Greigite

Reference List:Skinner, Brian John, R.C. Erd, & F. S. Grimaldi (1964), Greigite, the thiospinel of iron, a new mineral: American Mineralogist: 49: 543-555.

Internet Links for Greigite

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    Localities for Greigite

    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.
    Antarctica
     
    • Western Antarctica
      • Antarctic Peninsula
        • South Shetland Islands
    		Agusto et al (2004), Revista de la Asociación Geológica Argentina: 59(1), March 2004.
    Belgium
     
    • Liège Province
    		No reference listed
    H. Kucha et al., European Journal of Mineralogy, 1996, Vol. 8, N°1, pp. 93-102.
    Canada
     
    • Manitoba
      • Flin Flon District
    		Economic Geology (1996) 91:1394-1413
    • Québec
      • Montérégie
        • Rouville RCM
          • Mont Saint-Hilaire
    		Horváth, L and Gault, R.A. (1990), The mineralogy of Mont Saint-Hilaire Quebec. Mineralogical Record: 21: 284-359.
    Chile
     
    • Atacama Region
      • Copiapó Province
        • Tierra Amarilla
          • Pampa Larga district
            • Alacrán
    		Am Min 73:189
    Czech Republic
     
    • Bohemia (Böhmen; Boehmen)
      • Karlovy Vary Region
        • Sokolov (Falkenau an der Eger)
    		Beran, P., Rojík, P.: Mineralogie a geologie lomu Lomnice v sokolovské hnědouhelné pánvi. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 77-83.
    France
     
    • Brittany
      • Morbihan
        • Pontivy
          • Guern
    		R. Pierrot, L. Chauris, C. Laforêt and F. Pillard : "Inventaire Minéralogique de la France N° 9 : Morbihan", BRGM, 1980.
    • Corsica
      • Haute-Corse
        • Corte
          • Moïta
            • Matra
    		Picot, P. and Johan, Z. (1977). Atlas des Minéraux Métalliques, BRGM, Elsevier
    • Limousin
      • Corrèze
        • Davignac
    		M.Deliens, C.Lheur, W.Peraud & D.Virlogeux (2004)- Les minéraux d'uranium du Boucheron, près de Davignac (Corrèze)- Le Cahier des Micromonteurs, n°84, pp 3-25.
    • Poitou-Charentes
      • Deux-Sèvres
        • La Chapelle Largeau
    		Le Cahier des micromonteurs, 2002, N°75, pp 8-25
    Hungary
     
    • Borsod-Abaúj-Zemplén Co.
      • Rudabányai Mts.
    		No reference listed
    • Heves Co.
      • Mátra Mts.
        • Recsk
    		No reference listed
    Israel
     
    • Negev desert
    		Gross, S. (1977): The Mineralogy of the Hatrurim Formation, Israel. Geological Survey of Israel, Bulletin no. 70, 80 pp.
    Italy
     
    • Piedmont
      • Torino Province
        • Sesia-Lanzo zone
          • Lanzo Valley
            • Lanzo Massif
              • Balangero - Corio area
    		Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
    • Puglia
      • Taranto Province
    		Garavelli C.L., Nuovo G. (1971) - La Greigite delle argille di Montemesola - Per. min. vol. 40, 3, pp. 305-327 and M. Boscardin (1975) - Informazioni di mineralogia italiana: 49) Greigite di Montemesola (Taranto) - Notizie del Gruppo Min. Lombardo, fasc. 1, March 1975, pag. 4
    • Tuscany
      • Grosseto Province
        • Scansano
          • Pereta
    		Brizzi, G. & Meli, R. (1995): La miniera antimonifera di Pereta con un cenno a quella solfo-cinabrifera di Zolfiere in comune di Scansano (GR). Rivista Mineralogica Italiana, 19:, 217-240.
    Poland
     
    • Podlaskie
      • Suwałki District
        • Suwałki Massif
    		Kucha H., Kwiecińska B., Piestrzyński A., Wieczorek A. 1979: On the genesis of graphite from magnetite rocks of Krzemianka (NE Poland). Mineralogia Polonica, vol. 10, no 2, 81-88
    Russia
     
    • Urals Region
      • Middle Urals
        • Ekaterinburgskaya (Sverdlovskaya) Oblast'
          • Krasnoturjinsk (Bogolovsk; Krasnotur'insk; Krasnoturyinsk)
            • Turya river
              • Turjinsk
    		No reference listed
      • Southern Urals
        • Bashkortostan (Bashkiria) Republic
          • Uchaly
    		Belogub, E.V., Novoselov, K.A., Yakovleva, V.A., and Spiro, B. (2008): Ore Geology Reviews 33, 239-254.
    Serbia
     
    Am Min 51:209-215
    Slovakia
     
    • Košice Region
      • Eastern Slovenské Rudohorie Mts
    		Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Prešov Region
      • Northern Slanské Mts
        • Červenica (Czerwenitza)
    		Duda,R. et. all.,1981: MIneralogia severnej časti Slanských vrchov. Min.Slovaca,Monografia 2, Bratislava, 98p
    Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
    Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    South Africa
     
    • Mpumalanga Province
    		Minerals of South Africa
    Switzerland
     
    • Wallis (Valais)
      • Binn Valley
        • Im Feld (Imfeld; Feld; Fäld)
    		Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 199.
    USA
     
    • California
      • Alpine Co.
        • Monitor - Mogul District
          • Markleeville
    		[MinRec 20:129-142]
      • Kern Co.
        • Kramer District
    		www.mineralsocal.org
    Cal Div of Mines & Geology "Mineral Information Service" V. 22 N. 9 Sept 1969
                • Baker mine
    		Tschernich, R. (1992): Zeolites of the World, 64, 311
    Am Min 49:543-555
      • San Bernardino Co.
    		Am Min 49:543-555
    • Michigan
      • Alger Co.
    		Am Min 57:1303-1304
    • Missouri
      • Madison Co.
    		R&M 73:2 pp 98-117
    • Nevada
      • Churchill Co.
        • Table Mountain District
    		NBMG Spec. Pub. 31 Minerals of Nevada
    • New Mexico
      • Eddy Co.
        • Carlsbad
    		Northrop, Minerals of New Mexico, 3rd. Rev. Ed., 1996
    Mineral and/or Locality
    Google
     
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