Mineralogy Database

Fairbankite Mineral Data

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General Fairbankite Information

Help on Chemical  Formula: Chemical Formula: PbTe++++O3
Help on Composition: Composition: Molecular Weight = 382.80 gm
   Tellurium  33.33 %  Te   41.69 % TeO2
   Lead       54.13 %  Pb   58.31 % PbO
   Oxygen     12.54 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb(TeO3)
Help on Environment: Environment: Secondary mineral associated with oxidation of lead and telluride-bearing sulfides.
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Grand Central mine, Tombstone, Cochise County, Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for N. K. Fairbank.
Help on Name Pronunciation: Name Pronunciation: Fairbankite + Pronunciation Say FAIRBANKITE
 

Fairbankite Image

Click Here for Larger   Image in a New Browser Window Images:
Click Here for Larger   Image

  Fairbankite   Jarosite

Comments: Colorless to white crystals of fairbankite with orangish brown jarosite.
Location: Tombstone, Tombstone District, Cochise Co., Arizona, USA. Scale: Picture size 1.5 mm.
© Thomas Witzke / Abraxas-Verlag

Fairbankite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =1.0984:1:0.9789
Help on Cell Dimensions: Cell Dimensions: a = 7.81, b = 7.11, c = 6.96, Z = 4; alpha = 117.2°, beta = 93.78°, gamma = 93.4° V = 342.39 Den(Calc)= 7.43
Help on Crystal System: Crystal System: Triclinic - Pinacoidal H-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.265(1), 3.098(0.6), 3.148(0.6),
 

Physical Properties of Fairbankite

Help on Cleavage: Cleavage: {???} Indistinct
Help on Color: Color: Colorless.
Help on Density: Density: 7.45
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luster: Luster: Adamantine - Resinous
Help on Streak: Streak: white
 

Optical Properties of Fairbankite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.09 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.09 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1758,KPDmeas= 0.1758,KC= 0.1614
Ncalc = 2.2
Help on Optical Data: Optical Data: Biaxial (?), a=2.29, b=2.31, g=2.33, bire=0.0400, 2V(Calc)=88, 2V(Meas)=86.
 

Calculated Properties of Fairbankite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.15 gm/cc
note: Specific Gravity of Fairbankite =7.45 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.14
Boson Index = 0.86
Help on Photoelectric: Photoelectric: PEFairbankite =1,130.45 barns/electron
U=PEFairbankite x rElectron Density=6,952.23 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Fairbankite is Not Radioactive
 

Fairbankite Classification

Help on  Dana Class: Dana Class: 34.01.02.01 (34)Selenites - Tellurites - Sulfites
  (34.01)as A++ XO3
  (34.01.02)Dana Group
 
34.01.02.01 Fairbankite PbTeO3 P1 1
Help on  Strunz Class: Strunz Class: 04.JK.50 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JK -Tellurites without additional anions, without H2O
 
04.JK.50 Fairbankite PbTeO3 P1 1
 

Other Fairbankite Information

Help on References: References: 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 Fairbankite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

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Print or Cut-and-Paste your Fairbankite Specimen Label here :

Fairbankite

PbTe++++O3
Dana No: 34.01.02.01 Strunz No: 04.JK.50
Locality:

 

Notes:

 

 
   
 


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