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Carboirite-III Mineral Data

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General Carboirite-III Information

Help on Chemical  Formula: Chemical Formula: Fe++Al2GeO5(OH)2
Help on Composition: Composition: Molecular Weight = 296.43 gm
   Aluminum   18.20 %  Al   34.40 % Al2O3
   Iron       18.84 %  Fe   24.24 % FeO
   Germanium  24.49 %  Ge   35.29 % GeO2
   Hydrogen    0.68 %  H     6.08 % H2O
   Oxygen     37.78 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Al2GeO5(OH)2
Help on Environment: Environment: Zink deposit whth sphalerite with Ge-bearing quartz.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Carboire, Marimana Dome, Ariege< Ptrenees< France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.

Carboirite-III Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.7082:1:1.6692
Help on Cell Dimensions: Cell Dimensions: a = 9.513, b = 5.569, c = 9.296, Z = 4; alpha = 96.08°, beta = 101.52°, gamma = 89.45° V = 479.82 Den(Calc)= 4.10
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: C1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.528(1), 2.48(0.9), 2.728(0.9),

Physical Properties of Carboirite-III

Help on Color: Color: Green.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Carboirite-III

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.087 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1793,KC= 0.1964
Ncalc = 1.81
Help on Optical Data: Optical Data: Biaxial (+), a=1.731, b=1.735, g=1.74, bire=0.0090, 2V(Calc)=84, 2V(Meas)=7.

Calculated Properties of Carboirite-III

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.93 gm/cc
note: Specific Gravity of Carboirite-III =4.10 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PECarboirite-III = 21.10 barns/electron
U=PECarboirite-III x rElectron Density= 82.86 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carboirite-III is Not Radioactive

Carboirite-III Classification

Help on  Dana Class: Dana Class: (07)Multiple Oxides
  (07.11)as titano-oxides with [4] and [6] substitutions
  (07.11.06)Dana Group Carboirite-III FeAl2GeO5(OH)2 C1 1
Help on  Strunz Class: Strunz Class: 09.JA.05 09 - SILICATES (Germanates)
  09.J - Germanates
  09.JA -Germanates
09.JA.05 Carboirite-III FeAl2GeO5(OH)2 C1 1
09.JA.05 Carboirite-VIII Fe(Al,Ge)2O[(Ge,Si)O4](OH)2 C1 1
09.JA.05 Orebroite-VIII Mn3(Sb,Fe)SiO4(O,OH)3 P 3 3

Other Carboirite-III Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Carboirite-III :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Dana No: Strunz No: 09.JA.05





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