Plumbojarosite Mineral Data

Plumbojarosite Mineral Data
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General Plumbojarosite Information

Help on Chemical Formula: Chemical Formula: PbFe+++6(SO4)4(OH)12
Help on Composition: Composition: Molecular Weight = 1,130.62 gm
   Iron      29.64 %  Fe   42.37 % Fe2O3
   Hydrogen   1.07 %  H     9.56 % H2O
   Lead      18.33 %  Pb   19.74 % PbO
   Sulfur    11.34 %  S    28.33 % SO3
   Oxygen    39.62 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: PbFe3+6(SO4)4(OH)12
Help on Environment: Environment: Secondary mineral in the oxidized zone of lead-bearing ore deposits.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1902
Help on Locality: Locality: Cooks Pead district, Luna County, New Mexico. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its chemical composition (a variety of jarosite with Pb replacing K).
Help on Name Pronunciation: Name Pronunciation: Plumbojarosite + Pronunciation Say PLUMBOJAROSITE
Help on Synonym: Synonym: ICSD 64729
  PDF 18-698
 

Plumbojarosite Image

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Plumbojarosite   Galena

Comments: Yellow, earthy plumbojarosite on massive, gray galena.
Location: Quarry No 3, Königshain, Oberlausitz, Saxony, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Plumbojarosite Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:4.619
Help on Cell Dimensions: Cell Dimensions: a = 7.315, c = 33.788, Z = 3; V = 1,565.75 Den(Calc)= 3.60
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): 3.066(1), 5.933(0.95), 1.829(0.7),
Click Here for Large Plumbojarosite Structure Window Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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H - Help Screen
I - Data Info
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B - Bonds On/Off
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Szymanski J T , The Canadian Mineralogist , 23 (1985) p.659-668, The crystal structure of plumbojarosite Pb[Fe3(SO4)2(OH)6]2

 

Physical Properties of Plumbojarosite

Help on Cleavage: Cleavage: {0001} Distinct
Help on Color: Color: Yellowish brown, Dark brown, Golden brown.
Help on Density: Density: 3.6 - 3.67, Average = 3.63
Help on Diaphaneity: Diaphaneity: Translucent to subtranslucent
Help on Fracture: Fracture: Uneven - Flat surfaces (not cleavage) fractured in an uneven pattern.
Help on Habit: Habit: Concretionary - Rounded massive fine-grained materials.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 1.5-2 - Talc-Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: pale brown
 

Optical Properties of Plumbojarosite

Help on Dichroism (e): Dichroism (e): none.
Help on Dichroism (w): Dichroism (w): none.
Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.057 (Good) - where the CI = (1-KPDmeas/KC)
CI calc= 0.048 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2307,KPDmeas= 0.2285,KC= 0.2424
Ncalc = 1.87 - 1.89
Help on Optical Data: Optical Data: Uniaxial (-), e=1.783, w=1.878, bire=0.0950.
 

Calculated Properties of Plumbojarosite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.43 gm/cc
note: Specific Gravity of Plumbojarosite =3.60 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.04
Boson Index = 0.96
Help on Photoelectric: Photoelectric: PEPlumbojarosite = 305.43 barns/electron
U=PEPlumbojarosite x rElectron Density=1,046.41 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Plumbojarosite is Not Radioactive
 

Plumbojarosite Classification
Help on Dana Class: Dana Class: 30.02.05.06 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.02)where (A B)2 XO4 Zq
  (30.02.05)Alunite Group (Jarosite Subgroup)
 
30.02.05.01 Jarosite KFe3(SO4)2(OH)6 R 3 3
 
30.02.05.02 Natrojarosite NaFe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.03 Hydroniumjarosite (H3O)Fe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.04 Ammoniojarosite (NH4)Fe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.05 Argentojarosite AgFe3(SO4)2(OH)6 R 3m 3m
 
30.02.05.06 Plumbojarosite PbFe6(SO4)4(OH)12 R 3m 3 2/m
 
30.02.05.07 Beaverite PbCu(Fe,Al)2(SO4)2(OH)6 R 3m 3m
 
30.02.05.08 Dorallcharite (Tl,K)Fe3(SO4)2(OH)6 R 3m 3 2/m
Help on Strunz Class: Strunz Class: 07.BC.10 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BC -With medium-sized and large cations
 
07.BC.10 Alunite KAl3(SO4)2(OH)6 R 3m, R 3m Trig
 
07.BC.10 Ammonioalunite (NH4)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Ammoniojarosite (NH4)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Beaverite PbCu(Fe,Al)2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Argentojarosite AgFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Huangite Ca0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Dorallcharite (Tl,K)Fe3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Jarosite KFe3(SO4)2(OH)6 R 3 3
 
07.BC.10 Hydroniumjarosite (H3O)Fe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Minamiite (Na,Ca,K)Al3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Natrojarosite NaFe3(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Natroalunite NaAl3(SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Osarizawaite PbCuAl2(SO4)2(OH)6 R 3m 3m
 
07.BC.10 Plumbojarosite PbFe6(SO4)4(OH)12 R 3m 3 2/m
 
07.BC.10 Schlossmacherite (H3O,Ca)Al3(AsO4,SO4)2(OH)6 R 3m 3 2/m
 
07.BC.10 Walthierite Ba0.5Al3(SO4)2(OH)6 R 3m 3 2/m
 

Other Plumbojarosite Information
Help on References: References: NAME( MinRec) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32)
Help on See Also: See Also: Links to other databases for Plumbojarosite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - MinDAT
10 - Mineralienatlas (Deutsch)
11 - Online Mineral Museum
12 - QUT Mineral Atlas
13 - Ruff.Info
14 - WWW-MINCRYST

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

Plumbojarosite

PbFe+++6(SO4)4(OH)12
Dana No: 30.02.05.06 Strunz No: 07.BC.10
Locality:

 

Notes: