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Chromferide

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Big Photo

Yangliuping dome, Danba Co., Garzê (Ganzi) Autonomous Prefecture, Sichuan Province, China
© Norman King




Formula:
Fe
 
3
Cr
 
1-x
 (x=0.6)
System:IsometricColour:White, grey
Hardness:4
Name:For the chemical composition.
This page provides mineralogical data about Chromferide.

Classification of Chromferide

IMA status:Approved
Strunz 8th edition ID:1/A.06-30
Nickel-Strunz 10th (pending) edition ID:1.AE.15

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
A : Metals and Intermetallic Alloys
E : Iron-chromium family
Dana 7th edition ID:1.1.16.1
Dana 8th edition ID:1.1.12.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
Hey's CIM Ref.:1.58

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)
mindat.org URL:http://www.mindat.org/min-1035.html
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Type Occurrence of Chromferide

Type Locality:Efim area, Kumak ore field, Orenburgskaya Oblast', Southern Urals, Urals Region, Russia
Place of Conservation of Type Material:Fersman museum
Geological Setting of type material:Quartz veins

Physical Properties of Chromferide

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:White, grey
Hardness (Mohs):4
Hardness (Vickers):VHN100=260 kg/mm2
Density (calculated):6.69 g/cm3

Crystallography of Chromferide

Crystal System:Isometric
Class (H-M):m3m (4/m 3 2/m) - Hexoctahedral
Space Group:Pm3m {P4/m 3 2/m}
Space Group Setting:Pm3m
Cell Parameters:a = 2.8959(5) Å
Unit Cell Volume:V 24.29 ų (Calculated from Unit Cell)
Morphology:Small grains
Comment:Z=0.5

Chemical Properties of Chromferide

Formula:
Fe
 
3
Cr
 
1-x
 (x=0.6)
Essential elements:Cr, Fe
All elements listed in formula:Cr, Fe

Relationship of Chromferide to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.AE.05Molybdenum
Mo
1.AE.05Chromium
Cr
1.AE.05Iron
Fe
1.AE.05Kamacite
(Fe,Ni)
1.AE.05Tungsten
W
1.AE.05UM2001-06-E:CrFeNi
Fe
 
7
Cr
 
2
Ni
1.AE.10Taenite
(Fe,Ni)
1.AE.10Tetrataenite
FeNi
1.AE.10Antitaenite
Fe
 
3
Ni
1.AE.15Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.AE.15Wairauite
CoFe
1.AE.20Awaruite
Ni
 
3
Fe
1.AE.25Jedwabite
Fe
 
7
(Ta,Nb)
 
3
1.AE.30Manganese
Mn
Related Minerals - Hey's Index Grouping:

- +
1.1Copper
Cu
1.2Silver
Ag
1.5Gold
Au
1.6Auricupride
Cu
 
3
Au
1.7Tetra-auricupride
AuCu
1.8Zinc
Zn
1.9Cadmium
Cd
1.10Danbaite
CuZn
 
2
1.11Zhanghengite
CuZn
1.12Mercury
Hg
1.13Kolymite
Cu
 
7
Hg
 
6
1.14Moschellandsbergite
Ag
 
2
Hg
 
3
1.15Eugenite
Ag
 
11
Hg
 
2
1.16Schachnerite
Ag
 
1.1
Hg
 
0.9
1.17Paraschachnerite
Ag
 
3
Hg
 
2
1.18Luanheite
Ag
 
3
Hg
1.19Weishanite
(Au,Ag)
 
3
Hg
 
2
1.20Indium
In
1.21Aluminium
Al
1.22Khatyrkite
(Cu,Zn)Al
 
2
1.23Cupalite
(Cu,Zn)Al
1.24Diamond
C
1.25Graphite
C
1.26Chaoite
C
1.27Lonsdaleite
C
1.28Silicon
Si
1.29Tin
Sn
1.30Lead
Pb
1.31Anyuiite
Au(Pb,Sb)
 
2
1.31Novodneprite
AuPb
 
3
1.32Leadamalgam
HgPb
 
2
1.33Arsenic
As
1.34Arsenolamprite
As
1.35Paxite
CuAs
 
2
1.36Koutekite
Cu
 
5
As
 
2
1.37Domeykite
Cu
 
3
As
1.38Algodonite
(Cu
 
1-x
As
 
x
)
1.39Novakite
Cu
 
20
AgAs
 
10
1.40Kutinaite
Cu
 
2
AgAs
1.41Antimony
Sb
1.42Stibarsen
AsSb
1.43Paradocrasite
Sb
 
3
As
1.44Horsfordite
Cu, Sb
1.45Cuprostibite
Cu
 
2
(Sb,Tl)
1.46Allargentum
(Ag
 
1-x
Sb
 
x
)
1.47Aurostibite
AuSb
 
2
1.48Dyscrasite
Ag
 
3
Sb
1.49Bismuth
Bi
1.50Maldonite
Au
 
2
Bi
1.51Sulphur
S
 
8
1.52Rosickýite
S
1.53Selenium
Se
1.54Tellurium
Te
1.55Chromium
Cr
1.56Rhenium
Re
1.57Iron
Fe
1.59Ferchromide
Cr
 
1.5
Fe
 
0.5-x
1.60Wairauite
CoFe
1.61Nickel
Ni
1.62Kamacite
(Fe,Ni)
1.63Taenite
(Fe,Ni)
1.64Tetrataenite
FeNi
1.65Awaruite
Ni
 
3
Fe
1.66Palladium
(Pd,Pt)
1.67Potarite
PdHg
1.68Paolovite
Pd
 
2
Sn
1.69Stannopalladinite
(Pd,Cu)
 
3
Sn
 
2
1.70Cabriite
Pd
 
2
SnCu
1.71Taimyrite
(Pd,Cu,Pt)
 
3
Sn
1.72Atokite
(Pd,Pt)
 
3
Sn
1.73Rustenburgite
(Pt,Pd)
 
3
Sn
1.74Zvyagintsevite
(Pd,Pt,Au)
 
3
(Pb,Sn)
1.75Plumbopalladinite
Pd
 
3
Pb
 
2
1.76Osmium
(Os,Ir,Ru)
1.77Iridium
(Ir,Os,Ru)
1.82Platinum
Pt
1.83Hongshiite
PtCu
1.84Niggliite
PtSn
1.85Isoferroplatinum
Pt
 
3
Fe
1.86Tetraferroplatinum
PtFe
1.87Tulameenite
Pt
 
2
CuFe
1.88Ferronickelplatinum
Pt
 
2
FeNi
1.89Rhodium
(Rh,Pt)
Related Minerals - Dana Grouping):

- +
1.1.16.2Ferchromide
Cr
 
1.5
Fe
 
0.5-x

Other Names for Chromferide

Synonyms:
IMA1984-021
Other Languages:
German:Chromferid
Simplified Chinese:方铬铁矿
Traditional Chinese:方鉻鐵礦

Other Information

Magnetism:Diamagnetic
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 Chromferide

Reference List:

- +
American Mineralogist: 73: 190.

Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 115: 355-360.

Internet Links for Chromferide

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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Chromferide details from Handbook of Mineralogy (PDF)
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    • Localities for Chromferide

    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.
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    (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.
    China
     
    • Sichuan Province
      • Garzê (Ganzi) Autonomous Prefecture
        • Danba Co.
    		Norman King specimen
    Russia
     
    • Urals Region
      • Southern Urals
        • Orenburgskaya Oblast'
    		P.M. Kartashov data
    ZVMO (1986) 115, 355-360; Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
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    Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 4th Jul 2011 14:43:04
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