Bideauxite
A valid IMA mineral species
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About Bideauxite
Richard A. Bideaux
Formula:
Pb2AgCl3(F,OH)2
Colour:
Colourless, becoming pale lavender on exposure to light
Lustre:
Adamantine, Dull
Hardness:
3
Specific Gravity:
6.274
Crystal System:
Isometric
Name:
Named in 1970 by Sidney A. Williams for Richard August Bideaux (March 28, 1935, Tucson, Arizona - October 26, 2004, Prescott, Arizona) of Oro Valley, Arizona, USA. American mineralogist, author and mineral collector. Co-founder of Mineralogical Record, co-author of Handbook of Mineralogy and Mineralogy of Arizona, and founding member of the Friends of Mineralogy.
This page provides mineralogical data about Bideauxite.
Unique Identifiers
Mindat ID:
662
Long-form identifier:
mindat:1:1:662:0
IMA Classification of Bideauxite
Approved
IMA Formula:
AgPb2F2Cl3
Approval year:
1969
First published:
1970
Classification of Bideauxite
3.DB.25
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
B : With Pb, Cu, etc.
3 : HALIDES
D : Oxyhalides, hydroxyhalides and related double halides
B : With Pb, Cu, etc.
10.6.9.1
10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
10 : OXYHALIDES AND HYDROXYHALIDES
6 : AmBn(O,OH)pXq
8.8.17
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
8 : Halides - Fluorides, Chlorides, Bromides and Iodides; also Fluoborates and Fluosilicates
8 : Halides of Pb
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference |
|---|---|---|
| Bdx | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Bideauxite
Adamantine, Dull
Transparency:
Transparent
Colour:
Colourless, becoming pale lavender on exposure to light
Streak:
White
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Fracture:
Conchoidal
Density:
6.274 g/cm3 (Measured) 6.256 g/cm3 (Calculated)
Optical Data of Bideauxite
Type:
Isotropic
RI values:
n = 2.192
Birefringence:
Isotropic minerals have no birefringence
Surface Relief:
Very High
Dispersion:
Low
Chemistry of Bideauxite
Mindat Formula:
Pb2AgCl3(F,OH)2
Element Weights:
Crystallography of Bideauxite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 14.132 Å
Unit Cell V:
2,822.35 ų (Calculated from Unit Cell)
Z:
16
Morphology:
Crystals are dominated by {100}, {111}, {011}, with {113}, {114}, {112}, {116} and {029}
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0005624 | Bideauxite | Cooper M A, Hawthorne F C, Merlino S, Pasero M, Perchiazzi N (1999) Stereoactive lone-pair behavior of Pb in the crystal structure of bideauxite: Pb2AgCl3F(OH) The Canadian Mineralogist 37 915-921 |  | 1999 | 0 | 293 | |
| 0005625 | Bideauxite | Cooper M A, Hawthorne F C, Merlino S, Pasero M, Perchiazzi N (1999) Stereoactive lone-pair behavior of Pb in the crystal structure of bideauxite: Pb2AgCl3F(OH) Sample MPP The Canadian Mineralogist 37 915-921 | | 1999 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.718 Å | (10) |
| 3.530 Å | (9) |
| 2.497 Å | (9) |
| 4.259 Å | (7) |
| 4.076 Å | (7) |
| 3.240 Å | (7) |
| 1.839 Å | (6) |
Reference:
Comments:
Recorded on type material
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47g : [Halogen-bearing surface weathering minerals] |
Type Occurrence of Bideauxite
General Appearance of Type Material:
Crystals to 7 mm
Place of Conservation of Type Material:
National Museum of Natural History, Washington, D.C., USA (No. 114583)
Geological Setting of Type Material:
With other oxidized lead and chloride minerals, from an oxidized base-metal mineral deposit
Associated Minerals at Type Locality:
Synonyms of Bideauxite
Other Language Names for Bideauxite
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Strunz-mindat Grouping
| 3.DB. | Rickturnerite | Pb7O4[Mg(OH)4](OH)Cl3 |
| 3.DB.05 | Diaboleite | Pb2CuCl2(OH)4 |
| 3.DB.10 | Pseudoboleite | Pb31Cu24Cl62(OH)48 |
| 3.DB.15 | Boleite | KPb26Ag9Cu24(OH)48Cl62 |
| 3.DB.20 | Cumengeite | Pb21Cu20Cl42(OH)40 · 6H2O |
| 3.DB.30 | Chloroxiphite | Pb3CuO2Cl2(OH)2 |
| 3.DB.35 | Hematophanite | Pb4Fe3O8(OH,Cl) |
| 3.DB.40 | Parkinsonite | Pb7MoO9Cl2 |
| 3.DB.40 | Janchevite | Pb9V5+(O10.25◻0.75)Cl2.5 |
| 3.DB.40 | Asisite | Pb7SiO9Cl2 |
| 3.DB.45 | Eddavidite | Cu12Pb2O15Br2 |
| 3.DB.45 | Murdochite | Cu12Pb2O15Cl2 |
| 3.DB.50 | Yedlinite | Pb6Cr3+Cl6(O,OH,H2O)8 |
| 3.DB.55 | Siidraite | Pb2Cu(OH)2I3 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Bideauxite
mindat.org URL:
https://www.mindat.org/min-662.html
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References for Bideauxite
Reference List:
Williams, Sidney A. (1970) Bideauxite, a new Arizona mineral. Mineralogical Magazine, 37 (290) 637-640 doi:10.1180/minmag.1970.037.290.01
Localities for Bideauxite
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Chile | |
| Anthony (1997) |
USA (TL) | |
| Williams (1970) +2 other references |
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Mammoth-Saint Anthony Mine, St. Anthony deposit, Tiger, Mammoth Mining District, Pinal County, Arizona, USA