Carboirite-VIII Mineral Data

Carboirite-VIII Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About


Dan Weinrich Fine Minerals
[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions]
Dan Weinrich Fine Minerals
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows


General Carboirite-VIII Information

Help on Chemical Formula: Chemical Formula: Fe++(Al,Ge)2 O[(Ge,Si)O4](OH)2
Help on Composition: Composition: Molecular Weight = 292.20 gm
   Aluminum   16.62 %  Al   31.40 % Al2O3
   Iron       19.11 %  Fe   24.59 % FeO
   Silicon     2.88 %  Si    6.17 % SiO2
   Germanium  22.36 %  Ge   32.22 % GeO2
   Hydrogen    0.69 %  H     6.17 % H2O
   Oxygen     38.33 %  O
             ______        ______ 
             100.00 %      100.55 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Fe2+Al1.8Ge0.2O(GeO4)0.7(SiO4)0.3(OH)2
Help on Environment: Environment: Found in sphalerite associated with Ge-bearing quartz.
Help on IMA Status: IMA Status: Approved IMA 1983
Help on Locality: Locality: Carboire, Ariege, central Pyrenees, France. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
 

Search for Carboirite-VIII Images

Click Here To Search Images:

Image not yet available on Webmineral.com

Try searching images.google.com or Mindat Picture Gallary for mineral pictures. Caution: The images retrieved may not be appropriate.
  

Carboirite-VIII 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)= 4.04
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-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-VIII

Help on Cleavage: Cleavage: {001} Perfect
Help on Color: Color: Green.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 6 - Orthoclase
Help on Luster: Luster: Vitreous (Glassy)
 

Optical Properties of Carboirite-VIII

Help on Gladstone-Dale: Gladstone-Dale: CI calc= 0.085 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.182,KC= 0.1988
Ncalc = 1.8
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. Dispersion r > v strong.
 

Calculated Properties of Carboirite-VIII

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.88 gm/cc
note: Specific Gravity of Carboirite-VIII =4.04 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.02
Boson Index = 0.98
Help on Photoelectric: Photoelectric: PECarboirite-VIII = 19.89 barns/electron
U=PECarboirite-VIII x rElectron Density= 77.24 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Carboirite-VIII is Not Radioactive
 

Carboirite-VIII Classification
Help on Dana Class: Dana Class: 52.03.03.04 (52)Nesosilicate Insular SiO4 Groups and O, OH, F, and H2O
  (52.03)with cations in [6] coordination only
  (52.03.03)Chloritoid group
 
52.03.03.01 Chloritoid (Fe,Mg,Mn)2Al4Si2O10(OH)4 P1 1
 
52.03.03.02 Magnesiochloritoid MgAl2SiO5(OH)2 C 2/c 2/m
 
52.03.03.03 Ottrelite (Mn,Fe,Mg)2Al4Si2O10(OH)4 C 2/c 2/m
 
52.03.03.04 Carboirite-VIII Fe(Al,Ge)2O[(Ge,Si)O4](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-VIII Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Carboirite-VIII :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - Google Images
4 - Google Scholar
5 - MinDAT
6 - MinMax(Deutsch)
7 - MinMax(English)
8 - Mineralienatlas (Deutsch)
9 - QUT Mineral Atlas
10 - Ruff.Info

Search for Carboirite-VIII using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Carboirite-VIII :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Carboirite-VIII Mineral Data :

Ask about Carboirite-VIII here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

Print or Cut-and-Paste your Carboirite-VIII Specimen Label here :

Carboirite-VIII

Fe++(Al,Ge)2 O[(Ge,Si)O4](OH)2
Dana No: 52.03.03.04 Strunz No: 09.JA.05
Locality:

 

Notes: