Braithwaiteite Mineral Data

Braithwaiteite Mineral Data
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General Braithwaiteite Information

Help on Chemical Formula: Chemical Formula: NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2•8H2O
Help on Composition: Composition: Molecular Weight = 1,574.79 gm
   Sodium     1.27 %  Na    1.71 % Na2O
   Titanium   2.74 %  Ti    4.57 % TiO2
   Copper    20.86 %  Cu   26.11 % CuO
   Antimony  11.60 %  Sb   13.12 % SbO
   Arsenic   28.16 %  As   43.20 % As2O5
   Hydrogen   1.15 %  H    10.30 % H2O
   Oxygen    34.22 %  O
            ______        ______ 
            100.00 %       99.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.87Cu5.17Ti0.9Sb1.5O24(AsO4)0.98(AsO3OH)2·8(H2O)
Help on Environment: Environment: Secondary mineral formed by oxidation of primary enargite by Na- and Ti-rich fluids in an arid environment.
Help on IMA Status: IMA Status: Approved IMA 2006
Help on Locality: Locality: Veta Negra, Laurani, Bolivia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Richard Braithwaite, University of Reading, United Kingdom.
Help on Synonym: Synonym: IMA2006-050
 

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Braithwaiteite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.7114:1:1.0802
Help on Cell Dimensions: Cell Dimensions: a = 7.0308, b = 9.8823, c = 10.6754, Z = 1; alpha = 106.973°, beta = 104.274°, gamma = 93.839° V = 685.98 Den(Calc)= 3.81
Help on Crystal System: Crystal System: Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 9.825(1), 2.947(0.6), 5.887(0.5),2.442(0.3), 2.736(0.3), 3.232(0.3), 3.354(0.3), 4.635(0.3),
Click Here for Large Braithwaiteite Structure Window Crystal Structure:

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Hawthorne F C , Cooper M A , Paar W H , Journal of Coordination Chemistry , 61 (2008) p.15-29, The crystal structure of braithwaiteite, Locality: Black Vein, Laurani, Bolivia

 

Optical Properties of Braithwaiteite

Help on Optical Data: Optical Data: NCalc= 1.66 - from Gladstone-Dale relationship (KC = 0.1706) where Ncalc=Dcalc*KC+1
 

Calculated Properties of Braithwaiteite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.61 gm/cc
note: Specific Gravity of Braithwaiteite =3.85 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0037040949
Boson Index = 0.9962959051
Help on Photoelectric: Photoelectric: PEBraithwaiteite = 65.68 barns/electron
U=PEBraithwaiteite x rElectron Density= 237.20 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Braithwaiteite is Not Radioactive
 

Braithwaiteite Classification
Help on Dana Class: Dana Class: 39.02.07.03 (39)Hydrated Acid Phosphates, etc
  (39.02)H2 (AB)5 (XO4)4 · x(H2O)
  (39.02.07)Lindackerite Group
 
39.02.07.01 Lindackerite CuCu4(AsO4)2(AsO3OH)2•~9(H2O) P1 1
 
39.02.07.02 IMA2008-010! CaCu4(AsO4)2(AsO3OH)2•10H2O P1 1
 
39.02.07.03 Braithwaiteite NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2•8H2O P1 1
 
39.02.07.04 Veselovskyite (Zn,Cu,Co)Cu4(AsO4)2(AsO3OH)2•9H2O P1 1
Help on Strunz Class: Strunz Class: 08.DB.75 08 - PHOSPHATES, ARSENATES, VANADATES
  08.D - Phosphates, etc
  08.DB -With only medium-sized cations, (OH, etc.):RO4 < 1:1
 
08.DB.75 Braithwaiteite NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2•8H2O P1 1
 

Other Braithwaiteite Information
Help on References: References: NAME( AmMin, v94:561) PHYS. PROP.(AmMin, v94:561)
Help on See Also: See Also: Links to other databases for Braithwaiteite :
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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Print or Cut-and-Paste your Braithwaiteite Specimen Label here :

Braithwaiteite

NaCu5(Ti,Sb)2O2(AsO4)4[AsO3(OH)]2•8H2O
Dana No: 39.02.07.03 Strunz No: 08.DB.75
Locality:

 

Notes: