Bideauxite Mineral Data
General Bideauxite Information
Chemical Formula:
Pb2AgCl3(F,OH)2
Composition:
Molecular Weight = 665.63 gm
Silver 16.21 % Ag 17.41 % Ag2 O
Hydrogen 0.08 % H 0.68 % H2 O
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
Empirical Formula:
Pb2 AgCl3 F1.5 (OH)0.5
Environment:
Rarely enclosing and replacing boleite, with other oxidized Pb and Cl minerals, from an oxidized base-metal mineral deposit.
IMA Status:
Approved IMA 1970
Locality:
From the Mammoth-St. Anthony mine, Tiger, Pinal Co., Arizona, USA. Link to MinDat.org Location Data.
Name Origin:
For Richard August Bideaux (1935-2004), of Oro Valley, Arizona, USA, American mineralogist, author, and mineral collector.
Name Pronunciation:
Bideauxite
Synonym:
ICSD 87757
PDF 25-461
Bideauxite Image
Images:
Bideauxite
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
Images:
Bideauxite
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
Cell Dimensions:
a = 14.132, Z = 16; V = 2,822.35 Den(Calc)= 6.27
Crystal System:
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: F d3m
X Ray Diffraction:
By Intensity(I/Io ): 2.718(1), 2.497(0.9), 3.53(0.9),
Physical Properties of Bideauxite
Cleavage:
None
Color:
Colorless, Pale lavender.
Density:
6.274
Diaphaneity:
Transparent
Fracture:
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Hardness:
3 - Calcite
Luster:
Adamantine
Streak:
white
Optical Properties of Bideauxite
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
Optical Data:
Isotropic, n=2.192.
Calculated Properties of Bideauxite
Electron Density:
Bulk Density (Electron Density)=5.28 gm/cc note: Specific Gravity of Bideauxite =6.27 gm/cc.
Fermion Index:
Fermion Index = 0.13 Boson Index = 0.87
Photoelectric:
PEBideauxite =1,181.10 barns/electronU=PEBideauxite x r Electron Density=6,230.33 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Bideauxite is Not Radioactive
Bideauxite Classification
Dana Class:
10.06.09.01 (10) Oxyhalides and Hydroxyhalides
(10.06) where Am Bn (O,OH)p Xq
(10.06.09) Dana Group
10.06.09.01 Bideauxite Pb2AgCl3(F,OH)2 F d3m 4/m 3 2/m
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
References:
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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
Search for Bideauxite using:
[AOL ]
[Bing ]
[Dog Pile ]
[GeoScienceWorld ]
[HotBot ]
[Ixquick ]
[Lycos ]
[MAMMA ]
[Scirus ]
[Teoma ]
[WebCrawler ]
[Wikipedia ]
[YAHOO ]
Visit our Advertisers for Bideauxite :
Ask about Bideauxite 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
Espa�ol
Print or Cut-and-Paste your Bideauxite Specimen Label here :
Bideauxite
Pb2AgCl3(F,OH)2
Dana No: 10.06.09.01 Strunz No: 03.DB.25
Locality:
Notes:
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.