Mineralogy Database

Anglesite Mineral Data

Search Webmineral :

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 Name Pronunciation: Name Pronunciation: Anglesite + Pronunciation Say ANGLESITE
Help on Synonym: Synonym: ICSD 100625
  Lead Spar
  Lead Vitrol
  PDF 36-1461

Anglesite Image

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


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

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


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 - Dipyramidal H-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:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

Forms: ( 1 1 1) ( 2 1 0) ( 1 0 1) ( 0 0 1)

Warning: this java applet does not work in some browsers because of security restrictions.


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 Diaphaneity: Diaphaneity: 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: Fluorescent, Long UV=orange-yellow pink.
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
Ncalc = 1.91
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: Bulk Density (Electron Density)=5.40 gm/cc
note: Specific Gravity of Anglesite =6.30 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEAnglesite =1,224.10 barns/electron
U=PEAnglesite x rElectron Density=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)Anhydrous Acid and Sulfates
  (28.03)(A++) XO4
  (28.03.01)Barite Group Barite BaSO4 Pbnm 2/m 2/m 2/m Celestine SrSO4 Pbnm 2/m 2/m 2/m Anglesite PbSO4 Pbnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 07.AD.35 07 - SULFATES (SELENATES, TELLURATES)
  07.A - Sulfates (selenates, etc.) without Additional Anions, without H2O
  07.AD -With only large cations
07.AD.35 Anglesite PbSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Barite BaSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Celestine SrSO4 Pbnm 2/m 2/m 2/m
07.AD.35 Olsacherite Pb2(SeO4)(SO4) P 2212 2 2 2
07.AD.35 Radiobarite* (Ba,Ra)SO4 2/m 2/m 2/m

Other Anglesite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Collectors Book of Fluorescent Minerals) 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 - Athena
6 - EUROmin Project
7 - Ecole des Mines de Paris
8 - Franklin Minerals(Dunn)
9 - Franklin Minerals(Palache)
10 - GeoScienceWorld
11 - Google Images
12 - Google Scholar
13 - Handbook of Mineralogy (MinSocAm)
14 - Handbook of Mineralogy (UofA)
15 - HyperPhysics
16 - MinDAT
17 - Mineral and Gemstone Kingdom
18 - Mineralienatlas (Deutsch)
19 - Online Mineral Museum
20 - QUT Mineral Atlas
21 - Ruff.Info
22 - Tradeshop.com - The Rainbow of Gems
23 - University of Colorado - Mineral Structure Data
25 - YupRocks

Search for Anglesite using:

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

Visit our Advertisers for Anglesite :

Ask about Anglesite 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 Anglesite Specimen Label here :


Dana No: Strunz No: 07.AD.35





Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.