Beudantite Mineral Data

Beudantite Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images Share
      News Help About


General Beudantite Information

Help on Chemical Formula: Chemical Formula: PbFe+++3(AsO4)(SO4)(OH)6
Help on Composition: Composition: Molecular Weight = 711.77 gm
   Iron      23.54 %  Fe   33.65 % Fe2O3
   Arsenic   10.53 %  As   16.15 % As2O5
   Hydrogen   0.85 %  H     7.59 % H2O
   Lead      29.11 %  Pb   31.36 % PbO
   Sulfur     4.51 %  S    11.25 % SO3
   Oxygen    31.47 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbFe3+3(AsO4)(SO4)(OH)6
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1826
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the French mineralogist, F. S. Beudant (1787-1850).
Help on Name Pronunciation: Name Pronunciation: Beudantite + Pronunciation Say BEUDANTITE
Help on Synonym: Synonym: Corkite
  ICSD 67455
  PDF 19-689
 

Beudantite Image

Click Here for Larger Beudantite Image in a New Browser Window Images:
Click Here for Larger Beudantite Image

Beudantite

Comments: Sharp and lustrous crystals of beudantite to 4 mm across on quartz.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 2.7 x 2.5 cm.
© John Veevaert
Click Here for Larger Beudantite Image in a New Browser Window Images:
Click Here for Larger Beudantite Image

Beudantite   Scorodite

Comments: Blue, 2 cm in length scorodite crystals on a sparkling matrix of brilliant brown-black beudantite.
Location: Tsumeb, Namibia. Scale: 8 x 5 x 3 cm.
© John Schneider

Beudantite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:2.32513
Help on Cell Dimensions: Cell Dimensions: a = 7.32, c = 17.02, Z = 3; V = 789.79 Den(Calc)= 4.49
Help on Crystal System: Crystal System: Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.08(1), 5.99(0.8), 3.67(0.7),
Click Here for Large Beudantite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Szymanski J T , The Canadian Mineralogist , 26 (1988) p.923-932, The crystal structure of beudantite, Pb(Fe,Al)3((As,S)O4)2(OH)6

 

Physical Properties of Beudantite

Help on Cleavage: Cleavage: {0001} Perfect
Help on Color: Color: Brown, Green, Yellow, Dark green, Orange.
Help on Density: Density: 4.1 - 4.3, Average = 4.19
Help on Diaphaneity: Diaphaneity: Transparent to Translucent
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Blocky - Rhombohedral - Crystal shape resembles rhomohedrons.
Help on Habit: Habit: Druse - Crystal growth in a cavity which results in numerous crystal tipped surfaces.
Help on Habit: Habit: Platy - Sheet forms (e.g. micas).
Help on Hardness: Hardness: 4 - Fluorite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: greenish yellow
 

Optical Properties of Beudantite

Help on Dichroism (e): Dichroism (e): none.
Help on Dichroism (w): Dichroism (w): none.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.03 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.037 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2116,KPDmeas= 0.2262,KC= 0.2196
Ncalc = 1.9 - 1.99
Help on Optical Data: Optical Data: Uniaxial (-), e=1.943, w=1.957, bire=0.0140.
 

Calculated Properties of Beudantite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.86 gm/cc
note: Specific Gravity of Beudantite =4.20 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.06
Boson Index = 0.94
Help on Photoelectric: Photoelectric: PEBeudantite = 501.54 barns/electron
U=PEBeudantite x rElectron Density=1,935.52 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Beudantite is Not Radioactive
 

Beudantite Classification
Help on Dana Class: Dana Class: 43.04.01.01 (43)Compound Phosphates, etc.
  (43.04)(Anhydrous Compound Anions With Hydroxyl or Halogen)
  (43.04.01)Beudantite Group
 
43.04.01.01 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.02 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
 
43.04.01.03 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.04 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3m 3 2/m
 
43.04.01.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.06 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.07 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.08 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
 
43.04.01.09 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3m 3 2/m
 
43.04.01.10 Gallobeudantite! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
Help on Strunz Class: Strunz Class: 08.BL.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1
 
08.BL.05 Beudantite PbFe3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
08.BL.05 Corkite PbFe3(PO4)(SO4)(OH)6 R 3m 3m
 
08.BL.05 Hidalgoite PbAl3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
08.BL.05 Gallobeudantite! PbGa3[(AsO4),(SO4)]2(OH)6 R 3m 3m
 
08.BL.05 Hinsdalite (Pb,Sr)Al3(PO4)(SO4)(OH)6 R 3m 3 2/m
 
08.BL.05 Kemmlitzite (Sr,Ce)Al3(AsO4)(SO4)(OH)6 R 3m 3 2/m
 
08.BL.05 Orpheite PbAl3(PO4,SO4)2(OH)6(?) R 3m 3 2/m
 
08.BL.05 Woodhouseite CaAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
 
08.BL.05 Weilerite BaAl3H[(As,P)O4]2(OH)6 R 3m 3 2/m
 
08.BL.05 Svanbergite SrAl3(PO4)(SO4)(OH)6 R 3m 3 2/m
 

Other Beudantite Information
Help on References: References: NAME( Duda&Rejl90) 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 Beudantite :
1 - Alkali-Nuts(English)
2 - Alkali-Nuts(Francais)
3 - Am. Min. Crystal Structure Database
4 - Amethyst Galleries' Mineral Gallery
5 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - GeoScienceWorld
9 - Google Images
10 - Google Scholar
11 - Handbook of Mineralogy (MinSocAm)
12 - Handbook of Mineralogy (UofA)
13 - HyperPhysics
14 - MinDAT
15 - Mineralienatlas (Deutsch)
16 - Online Mineral Museum
17 - QUT Mineral Atlas
18 - Ruff.Info
19 - WWW-MINCRYST

Search for Beudantite using:

Google
 
Web webmineral.com
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Beudantite :

A Bijoux Google Search for Beudantite
Adam's Minerals Google Search for Beudantite
Cape Minerals Google Search for Beudantite
Dakota Matrix Minerals Google Search for Beudantite
Excalibur Mineral Corp. Google Search for Beudantite
Exceptional Minerals Google Search for Beudantite
John Betts Fine Minerals Search for Beudantite
McDougall Minerals Google Search for Beudantite
Mineral News Website Link
Rock and Mineral Shows Google Search for Beudantite
Weinrich Minerals, Inc. Google Search for Beudantite

Ask about Beudantite 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 Espaņol

Print or Cut-and-Paste your Beudantite Specimen Label here :

Beudantite

PbFe+++3(AsO4)(SO4)(OH)6
Dana No: 43.04.01.01 Strunz No: 08.BL.05
Locality:

 

Notes: