Bideauxite
A valid IMA mineral species
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About Bideauxite
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
GUID
(UUID V4):
(UUID V4):
5e711bd4-872d-4fd0-947c-0b122ea3efee
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
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) |
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:
Reference:
Williams, S.A. (1970): Bideauxite, a new Arizona mineral. Mineralogical Magazine: 37: 637-640.
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 | Asisite | Pb7SiO9Cl2 |
3.DB.40 | Parkinsonite | Pb7MoO9Cl2 |
3.DB.40 | Janchevite | Pb7V5+(O8.5◻0.5)Cl2 |
3.DB.45 | Murdochite | PbCu6O8-x(Cl,Br)2x |
3.DB.45 | Eddavidite | Pb2Cu12O15Br2 |
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
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
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