Anglesite Mineral Data + Say ANGLESITE

General Anglesite Information
Help on Chemical Formula: Chemical Formula: PbSO4
Help on Composition: Composition: Molecular Weight = 303.26 gm
   Lead    68.32 %  Pb   73.60 % PbO
   Sulfur  10.57 %  S    26.40 % SO3
   Oxygen  21.10 %  O
          ______        ______ 
          100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb(SO4)
Help on Environment: Environment: Secondary, weathered deposits of lead ore.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Tsumeb, Southwest Africa. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the island of Anglesey (Wales, Great Britain).
Help on Synonym: Synonym: ICSD 100625
  Lead Spar
  Lead Vitrol
  PDF 36-1461
 

Anglesite Image

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Anglesite

Comments: Crystalline anglesite with minor duftite. The crystal at the top of the specimen is partially doubly terminated.
Location: Tsumeb Mine, Tsumeb, Namibia. Scale: 2.7 x 2.1 cm.
© John Veevaert
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Anglesite

Comments: White anglesite crystals with dark gray posnjackite.
Location: (1st Oxidation Zone), Tsumeb, Namibia. Scale: 8.5 x 5 x 4 cm.
© John Schneider

Anglesite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.5709:1:1.2889
Help on Cell Dimensions: Cell Dimensions: a = 8.48, b = 5.398, c = 6.958, Z = 4; V = 318.50 Den(Calc)= 6.32
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pbnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.001(1), 4.26(0.87), 3.333(0.86),
Help on Forms: Forms:

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Forms: [ 1 1 1] [ 2 1 0] [ 1 0 1] [ 0 0 1]

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Miyake M , Minato I , Morikawa H , Iwai S I , American Mineralogist , 63 (1978) p.506-510, Crystal structure and sulphate force constants of barite, celesite, and, anglesite

View Additional jPOWD Structure files for Anglesite
[1]
 

Physical Properties of Anglesite

Help on Cleavage: Cleavage: [001] Good, [210] Distinct
Help on Color: Color: Blue, Colorless, Green, Gray, Yellow.
Help on Density: Density: 6.3
Help on Diaphaniety: Diaphaniety: Transparent to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite).
Help on Hardness: Hardness: 2.5-3 - Finger Nail-Calcite
Help on Luminescence: Luminescence: None.
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Anglesite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.028 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.031 (Excellent) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1401,KPDmeas= 0.1405,KC= 0.1446
Help on Optical Data: Optical Data: Biaxial (+), a=1.878, b=1.883, g=1.895, bire=0.0170, 2V(Calc)=68, 2V(Meas)=75.4. Dispersion relatively strong.
 

Calculated Properties of Anglesite

Help on Electron Density: Electron Density:

relectron=5.40 gm/cc
note: rAnglesite =6.30 gm/cc.
Help on Fermion Index Fermion Index Fermion Index = 0.15188
Boson Index = 0.84812
Help on Photoelectric: Photoelectric:

PEAnglesite =1,224.10 barns/electron
U=PEAnglesite x relectron=6,611.64 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Anglesite is Not Radioactive
 

Anglesite Classification
Help on Dana Class: Dana Class: 28.3.1.3 (28)Anhydrous Acid and Sulfates
  (28.3)(A++) XO4
  (28.3.1)Barite Group
 
28.3.1.1 Barite BaSO4 Pbnm 2/m 2/m 2/m
 
28.3.1.2 Celestine SrSO4 Pbnm 2/m 2/m 2/m
 
28.3.1.3 Anglesite PbSO4 Pbnm 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: VI/A.09-50 VI - Sulfates,Chromates,Molybdates and Tungstates
  VI/A - Waterfree sulfates [SO4]2- without unfamiliar anions. cations of very big size
  VI/A.09 - Barite group
 
VI/A.09-10 Celestine SrSO4 Pbnm 2/m 2/m 2/m
 
VI/A.09-20 Barite BaSO4 Pbnm 2/m 2/m 2/m
 
VI/A.09-30 Hashemite Ba(Cr,S)O4 P nma 2/m 2/m 2/m
 
VI/A.09-40 Kerstenite* PbSeO4(?) P nma 2/m 2/m 2/m
 
VI/A.09-50 Anglesite PbSO4 Pbnm 2/m 2/m 2/m
 

Other Anglesite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Mason68)
Help on See Also: See Also: Links to other databases for Anglesite :
1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 - Applied Mineralogy 6 -Athena 7 - Crocoite.com Mineral Locations 8 - EUROmin Project 9 - Franklin Minerals(Dunn) 10 - Franklin Minerals(Palache) 11 -Google Images 12 -Google Scholar 13 -Handbook of Mineralogy (UofA) 14 - HyperPhysics 15 -MinDAT 16 -MinMax(Deutsch) 17 -MinMax(English) 18 - Mineral and Gemstone Kingdom 19 -Mineralienatlas (Deutsch) 20 - Minerals of Wisconsin 21 -QUT Mineral Atlas 22 - Tradeshop.com - The Rainbow of Gems 23 -University of Colorado - Mineral Structure Data 24 - WWW-MINCRYST 25 - YupRocks 26 -École des Mines de Paris

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Anglesite

PbSO4
Dana No: 28.3.1.3 Strunz No: VI/A.09-50
Locality:

 

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