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Anglesite

A valid IMA mineral species - grandfathered
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About AnglesiteHide

Formula:
PbSO4
Colour:
Colorless to white, often tinted grey, yellow, green or blue; colourless in transmitted light.
Lustre:
Adamantine, Vitreous, Resinous
Hardness:
2½ - 3
Specific Gravity:
6.37 - 6.39
Crystal System:
Orthorhombic
Member of:
Name:
Named in 1832 by Francois Sulpice Beudant for the type locality, the Parys Mine on the Island of Anglesey (Ynys MΓ΄n) in Wales, U.K.
Isostructural with:
Baryte Group.

Along with cerussite, the most common secondary lead mineral.




Unique IdentifiersHide

Mindat ID:
233
Long-form identifier:
mindat:1:1:233:2
GUID
(UUID V4):
33a41b4f-0091-4b79-8105-37c15142ae9c

IMA Classification of AnglesiteHide

Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Pb(SO4)

Classification of AnglesiteHide

7.AD.35

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
A : Sulfates (selenates, etc.) without additional anions, without H2O
D : With only large cations
Dana 7th ed.:
28.3.1.3
28.3.1.3

28 : ANHYDROUS ACID AND NORMAL SULFATES
3 : AXO4
25.7.3

25 : Sulphates
7 : Sulphates of Pb

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

Please only use the official IMA–CNMNC symbol. Older variants are listed for historical use only.

SymbolSourceReference
AngIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43
AngWhitney & Evans (2010)Whitney, D.L. and Evans, B.W. (2010) Abbreviations for names of rock-forming minerals. American Mineralogist, 95, 185–187 doi:10.2138/am.2010.3371
AglThe Canadian Mineralogist (2019)The Canadian Mineralogist (2019) The Canadian Mineralogist list of symbols for rock- and ore-forming minerals (December 30, 2019). download

Pronunciation of AnglesiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom

Physical Properties of AnglesiteHide

Adamantine, Vitreous, Resinous
Transparency:
Transparent, Translucent, Opaque
Colour:
Colorless to white, often tinted grey, yellow, green or blue; colourless in transmitted light.
Streak:
Colorless
Hardness:
2½ - 3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Distinct/Good
Good on {001}, distinct on {201}; on {010} in traces.
Parting:
Translation gliding and twin gliding occur (as in baryte).
Fracture:
Conchoidal
Density:
6.37 - 6.39 g/cm3 (Measured)    6.36 g/cm3 (Calculated)

Optical Data of AnglesiteHide

Type:
Biaxial (+)
RI values:
nα = 1.878 nβ = 1.883 nγ = 1.895
2V:
Measured: 75° , Calculated: 68°
Max Birefringence:
δ = 0.017
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Very High
Dispersion:
relatively strong

Chemistry of AnglesiteHide

Mindat Formula:
PbSO4
Common Impurities:
Ba,Cu

Crystallography of AnglesiteHide

Crystal System:
Orthorhombic
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Pnma
Cell Parameters:
a = 8.482(2) Å, b = 5.398(2) Å, c = 6.959(2) Å
Ratio:
a:b:c = 1.571 : 1 : 1.289
Unit Cell V:
318.62 Γ…Β³ (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals frequently thin to thick tabular {001}, commonly with {210}, {101} and rhomboidal in outline. Also extended [100] or [010] at times. Prismatic [001] with large {210} and vertically striated; prismatic [100], with large {011}; stout prismatic [010], with {101}, {102}; tabular {100}; equant or pyramidal with {111}, {211} or otherwise. {100} and {210} commonly striated [001]. Massive; granular to compact; nodular; stalactitic.
Twinning:
None observed.

Crystallographic forms of AnglesiteHide

Crystal Atlas:
Image Loading
Click on an icon to view
Anglesite no.2 - Goldschmidt (1913-1926)
Anglesite no.3 - Goldschmidt (1913-1926)
Anglesite no.4 - Goldschmidt (1913-1926)
Anglesite no.48 - Goldschmidt (1913-1926)
Anglesite no.50 - Goldschmidt (1913-1926)
Anglesite no.76 - Goldschmidt (1913-1926)
Anglesite no.102 - Goldschmidt (1913-1926)
Anglesite no.160 - Goldschmidt (1913-1926)
Anglesite no.166 - Goldschmidt (1913-1926)
Anglesite no.169 - Goldschmidt (1913-1926)
Anglesite no.177 - Goldschmidt (1913-1926)
Anglesite no.402 - Goldschmidt (1913-1926)
3d models and HTML5 code kindly provided by www.smorf.nl.

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Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0000665AnglesiteMiyake M, Minato I, Morikawa H, Iwai S I (1978) Crystal structure and sulphate force constants of barite, celesite, and anglesite American Mineralogist 63 506-51019780293
0018845AnglesiteAntao S M (2012) Structural trends for celestite (SrSO4), anglesite (PbSO4), and barite (BaSO4): confirmation of expected variations within SO4 groups American Mineralogist 97 661-6652012synthetic0293
0005558AnglesiteJacobsen S D, Smyth J R, Swope R J, Downs R T (1998) Rigid-body character of the SO4 groups in celestine, anglesite and barite The Canadian Mineralogist 36 1053-106019980293
0017670AnglesiteJames R (1925) The Crystal Structures of Barytes, Celestine and Anglesite _cod_database_code 1010950 Proceedings of the Royal Society of London 109 598-62019250293
CIF Raw Data - click here to close

Epitaxial Relationships of AnglesiteHide

Epitaxial Minerals:
GalenaPbS
BaryteBaSO4
Epitaxy Comments:
Anglesite on baryte in parallel position. Also with galena.

X-Ray Powder DiffractionHide

Image Loading

Radiation - Copper Kα
Data Set:
Data courtesy of RRUFF project at University of Arizona, used with permission.
Powder Diffraction Data:
d-spacingIntensity
3.001 Γ…(100)
4.26 Γ…(87)
3.333 Γ…(86)
2.067 Γ…(76)
3.220 Γ…(71)
3.813 Γ…(57)
2.028 Γ…(48)
Comments:
Synthetic.

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Stage 7: Great Oxidation Event<2.4
45a : [Sulfates, arsenates, selenates, antimonates]
47b : [Sulfates and sulfites]
Stage 10a: Neoproterozoic oxygenation/terrestrial biosphere<0.6
50 : Coal and/or oil shale minerals<0.36
Stage 10b: Anthropogenic minerals<10 Ka
54 : Coal and other mine fire minerals (see also #51 and #56)

Type Occurrence of AnglesiteHide

Synonyms of AnglesiteHide

Other Language Names for AnglesiteHide

Varieties of AnglesiteHide

BarytoanglesiteA barian variety of Anglesite.
Copper-bearing AnglesiteA variety of anglesite containing copper; possibly a mixture.
Silver-bearing AnglesiteA silver-bearing variety of anglesite.

Relationship of Anglesite to other SpeciesHide

Member of:
Other Members of this group:
BaryteBaSO4Orth. mmm (2/m 2/m 2/m) : Pnma
CelestineSrSO4Orth. mmm (2/m 2/m 2/m) : Pnma
HashemiteBaCr6+O4Orth. mmm (2/m 2/m 2/m) : Pnma
Forms a series with:

Common AssociatesHide

Associated Minerals Based on Photo Data:
773 photos of Anglesite associated with GalenaPbS
376 photos of Anglesite associated with CerussitePbCO3
302 photos of Anglesite associated with QuartzSiO2
290 photos of Anglesite associated with LinaritePbCu(SO4)(OH)2
140 photos of Anglesite associated with CaledonitePb5Cu2(SO4)3(CO3)(OH)6
111 photos of Anglesite associated with MalachiteCu2(CO3)(OH)2
103 photos of Anglesite associated with BrochantiteCu4(SO4)(OH)6
88 photos of Anglesite associated with FluoriteCaF2
73 photos of Anglesite associated with LeadhillitePb4(CO3)2(SO4)(OH)2
72 photos of Anglesite associated with GoethiteΞ±-Fe3+O(OH)

Related Minerals - Strunz-mindat GroupingHide

7.AD.CalciolangbeiniteK2Ca2(SO4)3 Iso. 2 3 : P21 3
7.AD.BubnovaiteK2Na8Ca(SO4)6Trig. 3m : P3 1c
7.AD.DobrovolskyiteNa4Ca(SO4)3Trig. 3 : R3
7.AD.MurphyitePb(Te6+O4)Mon. 2/m : P21/b
7.AD.CuprodobrovolskyiteNa4Cu(SO4)3Trig. 3 : R3
7.AD.KristjΓ‘niteKNa2H(SO4)2Mon. 2/m
7.AD.05ArcaniteK2SO4Orth. mmm (2/m 2/m 2/m)
7.AD.05Mascagnite(NH4)2SO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.10MercalliteKHSO4Orth. mmm (2/m 2/m 2/m) : Pbca
7.AD.15MiseniteK8H6(SO4)7Mon.
7.AD.20Letovicite(NH4)3H(SO4)2Tric.
7.AD.25GlauberiteNa2Ca(SO4)2Mon. 2/m : B2/b
7.AD.25ThΓ©narditeNa2SO4Orth. mmm (2/m 2/m 2/m) : Fddd
7.AD.30AnhydriteCaSO4Orth. mmm (2/m 2/m 2/m)
7.AD.30MetathΓ©narditeNa2SO4Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc
7.AD.35BaryteBaSO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.35CelestineSrSO4Orth. mmm (2/m 2/m 2/m) : Pnma
7.AD.35OlsacheritePb2(Se6+O4)(SO4)Orth.
7.AD.40KalistrontiteK2Sr(SO4)2Trig. 3m (3 2/m) : R3m
7.AD.40PalmieriteK2Pb(SO4)2Trig. 3m (3 2/m) : R3m
7.AD.45IvsiteNa3H(SO4)2Mon. 2/m : P21/b
7.AD.55MarkhininiteTlBi(SO4)2Tric. 1 : P1

Fluorescence of AnglesiteHide

Shades of yellow and golden-yellow (UV).

Other InformationHide

Thermal Behaviour:
Inverts to a monoclinic polymorph at about 864Β°C. Decomposes between 900Β°C and 1000Β°C.
Health Risks:
Contains lead. Do not grind dry or inhale the dust. Wash hands after handling.
Industrial Uses:
Ore of lead.

Anglesite in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for AnglesiteHide

References for AnglesiteHide

Reference List:
(1923) XIV. Auszüge: Besprechungen von P. Niggli unter Mitwirkung von Κ. Faesy. Zeitschrift für Kristallographie - Crystalline Materials, 59 (1) 251 doi:10.1524/zkri.1923.59.1.251p.266 - (Niggli, P., Faesy, K.: Wasserfreie und wasserhaltige Sulfate und Selenate von Mg, Mn, Fe, Co, Ni, Cu, Zn, Cd, Hg und H2N2H4.)

Localities for AnglesiteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListShow

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