Mineralogy Database

Bideauxite Mineral Data

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General Bideauxite Information

Help on Chemical  Formula: Chemical Formula: Pb2AgCl3(F,OH)2
Help on Composition: Composition: Molecular Weight = 665.63 gm
   Silver    16.21 %  Ag   17.41 % Ag2O
   Hydrogen   0.08 %  H     0.68 % H2O
   Lead      62.26 %  Pb   67.06 % PbO
   Chlorine  15.98 %  Cl   15.98 % Cl
               -   %   Cl   -3.61 % -O=Cl2   
   Oxygen     1.20 %  O
   Fluorine   4.28 %  F     4.28 % F
               -   %   F    -1.80 % -O=F2    
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2AgCl3F1.5(OH)0.5
Help on Environment: Environment: Rarely enclosing and replacing boleite, with other oxidized Pb and Cl minerals, from an oxidized base-metal mineral deposit.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: From the Mammoth-St. Anthony mine, Tiger, Pinal Co., Arizona, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Richard August Bideaux (1935-2004), of Oro Valley, Arizona, USA, American mineralogist, author, and mineral collector.
Help on Name Pronunciation: Name Pronunciation: Bideauxite Say BIDEAUXITE
Help on Synonym: Synonym: ICSD 87757
  PDF 25-461

Bideauxite Image

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Comments: Brownish cubic crystals of bideauxite with blue boleite in tan limonitic matrix.
Location: Mammoth-St Anthony mine, Pinal County, Arizona, USA. Scale: Specimen size 2 x 3 cm.
© Dave Barthelmy

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Comments: Richard Bideaux, American mineralogist, co-author of the Handbook of Mineralogy, Volumes I to V, mineral collector, and the person whom bideauxite is named after, kindly provided the mineral name pronunciation for bideauxite.
Location: Tucson Convention Center, 50th Tucson Gem and Mineral Show, February 14, 2004. Scale: NA.
© Dave Barthelmy

Bideauxite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 14.132, Z = 16; V = 2,822.35 Den(Calc)= 6.27
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): 2.718(1), 2.497(0.9), 3.53(0.9),

Physical Properties of Bideauxite

Help on Cleavage: Cleavage: None
Help on Color: Color: Colorless, Pale lavender.
Help on Density: Density: 6.274
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white

Optical Properties of Bideauxite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.097 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.097 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1901,KPDmeas= 0.19,KC= 0.1732
Ncalc = 2.09
Help on Optical Data: Optical Data: Isotropic, n=2.192.

Calculated Properties of Bideauxite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.28 gm/cc
note: Specific Gravity of Bideauxite =6.27 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.13
Boson Index = 0.87
Help on Photoelectric: Photoelectric: PEBideauxite =1,181.10 barns/electron
U=PEBideauxite x rElectron Density=6,230.33 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Bideauxite is Not Radioactive

Bideauxite Classification

Help on  Dana Class: Dana Class: (10)Oxyhalides and Hydroxyhalides
  (10.06)where Am Bn (O,OH)p Xq
  (10.06.09)Dana Group Bideauxite Pb2AgCl3(F,OH)2 F d3m 4/m 3 2/m
Help on  Strunz Class: Strunz Class: 03.DB.25 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DB -With Pb, Cu, etc.
03.DB.25 Bideauxite Pb2AgCl3(F,OH)2 F d3m 4/m 3 2/m

Other Bideauxite Information

Help on References: References: NAME( AntBidBlaNic3) 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 Bideauxite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info

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Dana No: Strunz No: 03.DB.25





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