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Ferchromide

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Formula:
Cr3Fe1-x
Colour:
Light gray
Lustre:
Metallic
Hardness:
Specific Gravity:
6.18 (Calculated)
Crystal System:
Isometric
Name:
For the chemical composition
Possibly an analogue of chromferide. Compare chemically similar 'UM1981-05-E:CrFe' and 'UM1981-06-E:CrFeNiSi'.


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Classification of FerchromideHide

Approved
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 ed.:
1.1.16.2
1.1.12.3

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
1.59

1 : Elements and Alloys (including the arsenides, antimonides and bismuthides of Cu, Ag and Au)

Physical Properties of FerchromideHide

Metallic
Transparency:
Opaque
Colour:
Light gray
Hardness:
6½ on Mohs scale
Hardness:
VHN100=900 kg/mm2 - Vickers
Density:
6.18 g/cm3 (Calculated)

Chemical Properties of FerchromideHide

Formula:
Cr3Fe1-x
IMA Formula:
Cr1.5Fe0.2

Crystallography of FerchromideHide

Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Pm3m
Setting:
Pm3m
Cell Parameters:
a = 2.882(5) Å
Unit Cell V:
23.94 ų (Calculated from Unit Cell)
Z:
1
Morphology:
Small grains forming several hundred micron aggregates.

Type Occurrence of FerchromideHide

Place of Conservation of Type Material:
Fernsman Museum
Geological Setting of Type Material:
Quartz veins in brecciated amphibolites and schist.
Associated Minerals at Type Locality:

Synonyms of FerchromideHide

Other Language Names for FerchromideHide

German:Ferchromid
Simplified Chinese:方铁铬矿
Traditional Chinese:方鐵鉻礦

Common AssociatesHide

Associated Minerals Based on Photo Data:
Chromferide3 photos of Ferchromide associated with Chromferide on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

1.AE.VanadiumVIso. m3m (4/m 3 2/m) : Im3m
1.AE.05MolybdenumMoIso.
1.AE.05ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.AE.05IronFeIso. m3m (4/m 3 2/m) : Im3m
1.AE.05Kamacite(Fe,Ni)Iso.
1.AE.05TungstenWIso.
1.AE.05UM2001-06-E:CrFeNiFe7Cr2Ni
1.AE.10Taenite(Fe,Ni)Iso. m3m (4/m 3 2/m) : Fm3m
1.AE.10TetrataeniteFeNiTet.
1.AE.10AntitaeniteFe3Ni
1.AE.15ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m
1.AE.15WairauiteCoFe
1.AE.20AwaruiteNi3FeIso. m3m (4/m 3 2/m) : Fm3m
1.AE.25JedwabiteFe7(Ta,Nb)3Hex. 6mm : P63mc
1.AE.30ManganeseMnIso. 4 3m : I4 3m

Related Minerals - Dana Grouping (8th Ed.)Hide

1.1.12.1ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.1.12.1Goldamalgam (of Chen et al.)(Au,Ag)HgIso. m3m (4/m 3 2/m) : Im3m
1.1.12.2ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

1.1CopperCuIso. m3m (4/m 3 2/m) : Fm3m
1.2SilverAgIso. m3m (4/m 3 2/m) : Fm3m
1.5GoldAuIso. m3m (4/m 3 2/m) : Fm3m
1.6AuricuprideCu3AuOrth.
1.7Tetra-auricuprideAuCuTet.
1.8ZincZnHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.9CadmiumCdHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.10DanbaiteCuZn2Iso.
1.11ZhanghengiteCuZnIso.
1.12MercuryHgTrig. 3m (3 2/m) : R3m
1.13KolymiteCu7Hg6Iso.
1.14MoschellandsbergiteAg2Hg3Iso. m3m (4/m 3 2/m)
1.15EugeniteAg11Hg2Iso.
1.16SchachneriteAg1.1Hg0.9Hex.
1.17ParaschachneriteAg3Hg2Orth.
1.18LuanheiteAg3HgHex.
1.19Weishanite(Au,Ag)3Hg2Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.20IndiumInTet.
1.21AluminiumAlIso. m3m (4/m 3 2/m) : Fm3m
1.22Khatyrkite(Cu,Zn)Al2Tet.
1.23Cupalite(Cu,Zn)AlOrth.
1.24DiamondCIso. m3m (4/m 3 2/m) : Fd3m
1.25GraphiteCHex. 6mm : P63mc
1.26ChaoiteCHex. 6/mmm (6/m 2/m 2/m) : P6/mmm
1.27LonsdaleiteCHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.28SiliconSi
1.29TinSnTet. 4/mmm (4/m 2/m 2/m) : I41/amd
1.30LeadPbIso. m3m (4/m 3 2/m) : Fm3m
1.31AnyuiiteAuPb2Tet. 4/mmm (4/m 2/m 2/m) : I4/mcm
1.31NovodnepriteAuPb3Tet. 4 2m : I4 2m
1.32LeadamalgamPb0.7Hg0.3Tet. 4/mmm (4/m 2/m 2/m) : I4/mmm
1.33ArsenicAsTrig. 3m (3 2/m) : R3m
1.34ArsenolampriteAsOrth. mmm (2/m 2/m 2/m)
1.35PaxiteCuAs2Mon.
1.36KoutekiteCu5As2Hex.
1.37DomeykiteCu3AsIso. 4 3m : I4 3d
1.38Algodonite(Cu1-xAsx)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.39NovákiteCu20AgAs10Mon.
1.40KutinaiteAg6Cu14As7 Iso.
1.41AntimonySbTrig. 3m (3 2/m) : R3m
1.42StibarsenAsSbTrig. 3m (3 2/m) : R3m
1.43ParadocrasiteSb3AsMon. 2 : B2
1.44HorsforditeCu, Sb
1.45CuprostibiteCu2(Sb,Tl)Tet. 4/mmm (4/m 2/m 2/m) : P4/nmm
1.46Allargentum(Ag1-xSbx)Hex.
1.47AurostibiteAuSb2Iso. m3 (2/m 3) : Pa3
1.48DyscrasiteAg3SbOrth. mm2 : Pmm2
1.49BismuthBiTrig. 3m (3 2/m) : R3m
1.50MaldoniteAu2BiIso. m3m (4/m 3 2/m) : Fd3m
1.51SulphurS8Orth. mmm (2/m 2/m 2/m) : Fddd
1.52RosickýiteSMon. 2/m : P2/b
1.53SeleniumSeTrig. 3 2 : P31 2 1
1.54TelluriumTeHex.
1.55ChromiumCrIso. m3m (4/m 3 2/m) : Im3m
1.56RheniumReHex.
1.57IronFeIso. m3m (4/m 3 2/m) : Im3m
1.58ChromferideFe3Cr1-x (x=0.6)Iso. m3m (4/m 3 2/m) : Pm3m
1.60WairauiteCoFe
1.61NickelNiIso. m3m (4/m 3 2/m) : Fm3m
1.62Kamacite(Fe,Ni)Iso.
1.63Taenite(Fe,Ni)Iso. m3m (4/m 3 2/m) : Fm3m
1.64TetrataeniteFeNiTet.
1.65AwaruiteNi3FeIso. m3m (4/m 3 2/m) : Fm3m
1.66Palladium(Pd,Pt)
1.67PotaritePdHgTet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.68PaolovitePd2SnOrth.
1.69Stannopalladinite(Pd,Cu)3Sn2Hex.
1.70CabriitePd2CuSnOrth. mmm (2/m 2/m 2/m) : Pmmm
1.71Taimyrite(Pd,Cu,Pt)3SnOrth.
1.72Atokite(Pd,Pt)3SnIso. m3m (4/m 3 2/m) : Fm3m
1.73Rustenburgite(Pt,Pd)3Sn
1.74ZvyagintsevitePd3PbIso.
1.75PlumbopalladinitePd3Pb2Hex.
1.76Osmium(Os,Ir,Ru)Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
1.77Iridium(Ir,Os,Ru)Iso.
1.82PlatinumPtIso. m3m (4/m 3 2/m) : Fm3m
1.83HongshiitePtCuTrig.
1.84NiggliitePtSnHex.
1.85IsoferroplatinumPt3FeIso.
1.86TetraferroplatinumPtFeTet.
1.87TulameenitePt2CuFeTet.
1.88FerronickelplatinumPt2FeNiTet.
1.89Rhodium(Rh,Pt)Iso.

Other InformationHide

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 FerchromideHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
American Mineralogist: 73: 191.
Zapiski Vserossiyskogo Mineralogicheskogo Obshchestva: 115: 355-360.

Internet Links for FerchromideHide

Localities for FerchromideHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Urals Region
    • Middle Urals
      • Sverdlovskaya Oblast'
        • Neiva river
Excalibur Mineral Co. specimen
    • Southern Urals
      • Orenburgskaya Oblast'
        • Kumak ore field
Pekov, I. (1998) Minerals First discovered on the territory of the former Soviet Union 369p. Ocean Pictures, Moscow
Mineral and/or Locality  
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