Mineralogy Database

Cuprospinel Mineral Data

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General Cuprospinel Information

Help on Chemical  Formula: Chemical Formula: (Cu,Mg)Fe+++2O4
Help on Composition: Composition: Molecular Weight = 228.86 gm
   Magnesium   1.06 %  Mg    1.76 % MgO
   Aluminum    1.18 %  Al    2.23 % Al2O3
   Iron       47.58 %  Fe    1.57 % FeO / 66.29 % Fe2O3
   Copper     22.21 %  Cu   25.01 % Cu2O
   Oxygen     27.96 %  O
             ______        ______ 
             100.00 %       96.85 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Cu0.8Mg0.1Fe2+0.05Fe3+1.9Al0.1O4
Help on Environment: Environment: In highly oxidized material, once spontaneously ignited, in an ore dump.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Consolidated Rambler Mines Limited, near Baie Verte, Newfoundland, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the copper content and the spinel structure.
Help on Synonym: Synonym: ICSD 24872
  IMA1971-020
  PDF 25-283
 

Cuprospinel Image

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  Cuprospinel

Comments: 2mm piece of from the type specimen matrix with disseminated, black cuprospinel.
Location: Consolidated Rambler mine, Baie Verte, Newfoundland, Canada. Scale: Specimen size 2 mm.
© Tom Loomis / Dakota Matrix

Cuprospinel Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 8.369, Z = 8; V = 586.17 Den(Calc)= 5.19
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.517(1), 1.479(0.6), 2.96(0.5),
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Physical Properties of Cuprospinel

Help on Cleavage: Cleavage: None
Help on Color: Color: Black.
Help on Density: Density: 5 - 5.2, Average = 5.09
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 6.5-7 - Pyrite-Quartz
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Cuprospinel

Help on Optical Data: Optical Data: NCalc= 2.44 - from Gladstone-Dale relationship (KC = 0.2784) where Ncalc=Dcalc*KC+1
NCalc= 2.42 - from Gladstone-Dale relationship (KC = 0.2784) where Ncalc=Dmeas*KC+1
Help on RL Color: RL Color: Gray.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Cuprospinel in Air
λ R  ∑ R(λ) 
 470 nm   22.70   
 546 nm   21.70 
 589 nm   21.00 
 650 nm   20.00 
Calculated Relative Intensity Colors of Cuprospinel in Air
Relative
Intensity
   0%   50% 100% 150% 200% 250% 300% 350% 400% 430%
R                    
 

Calculated Properties of Cuprospinel

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.92 gm/cc
note: Specific Gravity of Cuprospinel =5.19 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PECuprospinel = 24.54 barns/electron
U=PECuprospinel x rElectron Density= 120.65 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Cuprospinel is Not Radioactive
 

Cuprospinel Classification

Help on  Dana Class: Dana Class: 07.02.02.06 (07)Multiple Oxides
  (07.02)(A+ B++)2 X4 Spinel group
  (07.02.02)(Iron subgroup)
 
07.02.02.01 Magnesioferrite MgFe2O4 F d3m 4/m 3 2/m
 
07.02.02.02 Jacobsite (Mn,Fe,Mg)(Fe,Mn)2O4 F d3m 4/m 3 2/m
 
07.02.02.03 Magnetite FeFe2O4 F d3m 4/m 3 2/m
 
07.02.02.04 Franklinite (Zn,Mn,Fe)(Fe,Mn)2O4 F d3m 4/m 3 2/m
 
07.02.02.05 Trevorite NiFe2O4 F d3m 4/m 3 2/m
 
07.02.02.06 Cuprospinel (Cu,Mg)Fe2O4 F d3m 4/m 3 2/m
 
07.02.02.07 Brunogeierite (Ge,Fe)Fe2O4 F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 04.BB.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.B - Metal:Oxygen = 3:4 and similar
  04.BB -With only medium-sized cations
 
04.BB.05 Cochromite (Co,Ni,Fe)(Cr,Al)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Filipstadite (Mn,Mg)4SbFeO8 pseudo ISO 2/m 2/m 2/m
 
04.BB.05 Magnetite FeFe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Gahnite ZnAl2O4 F d3m 4/m 3 2/m
 
04.BB.05 Chromite FeCr2O4 F d3m 4/m 3 2/m
 
04.BB.05 Galaxite (Mn,Mg)(Al,Fe)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Cuprospinel (Cu,Mg)Fe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Donathite? (Fe,Mg)(Cr,Fe)2O4 P 4/nnm 4/m 2/m 2/m
 
04.BB.05 Brunogeierite (Ge,Fe)Fe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Coulsonite FeV2O4 F d3m 4/m 3 2/m
 
04.BB.05 Hercynite FeAl2O4 F d3m 4/m 3 2/m
 
04.BB.05 Franklinite (Zn,Mn,Fe)(Fe,Mn)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Jacobsite (Mn,Fe,Mg)(Fe,Mn)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Magnesiochromite MgCr2O4 F d3m 4/m 3 2/m
 
04.BB.05 Magnesioferrite MgFe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Magnesiocoulsonite MgV2O4 F d3m 4/m 3 2/m
 
04.BB.05 Manganochromite (Mn,Fe)(Cr,V)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Qandilite (Mg,Fe)2(Ti,Fe,Al)O4 F d3m 4/m 3 2/m
 
04.BB.05 Nichromite (Ni,Co,Fe)(Cr,Fe,Al)2O4 F d3m 4/m 3 2/m
 
04.BB.05 Spinel MgAl2O4 F d3m 4/m 3 2/m
 
04.BB.05 Ulvospinel TiFe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Zincochromite ZnCr2O4 F d3m 4/m 3 2/m
 
04.BB.05 Trevorite NiFe2O4 F d3m 4/m 3 2/m
 
04.BB.05 Vuorelainenite (Mn,Fe)(V,Cr)2O4 F d3m 4/m 3 2/m
 

Other Cuprospinel Information

Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Cuprospinel :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info
13 - WWW-MINCRYST

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Cuprospinel

(Cu,Mg)Fe+++2O4
Dana No: 07.02.02.06 Strunz No: 04.BB.05
Locality:

 

Notes:

 

 
   
 


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