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Chromferide

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Big Photo

Yangliuping Cu-Ni-PGE deposit, Yangliuping Cu-Ni-PGE ore field, Danba Co., Garzê Autonomous Prefecture (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
Pb
 
0.7
Hg
 
0.3
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
CuSn
1.71Taimyrite-I
(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 Autonomous Prefecture (Ganzi Autonomous Prefecture)
        • Danba Co.
          • Yangliuping Cu-Ni-PGE ore field
    		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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