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Sundiusite

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Formula:
Pb10(SO4)O8Cl2
System:
Monoclinic
Colour:
White to colourless
Hardness:
3
Name:
Named after Nils Sundius (1886-1976), Swedish mineralogist, in recognition of his contributions to the mineralogy of Langban (Sweden).
Chemically related to Unnamed (Pb Sulphate-Oxychloride).

Classification of Sundiusite

Approved 1979
3/D.10-130
7.BD.70

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
30.1.1.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
26.24

26 : Sulphates with Halide
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First Recorded Occurrence of Sundiusite

Year of Discovery:
1979

Physical Properties of Sundiusite

Adamantine
Colour:
White to colourless
Hardness (Mohs):
3

Crystallography of Sundiusite

Crystal System:
Monoclinic
Cell Parameters:
a = 24.67Å, b = 3.78Å, c = 11.88Å
γ = 100.07°
Ratio:
a:b:c = 6.526 : 1 : 3.143
Unit Cell Volume:
V 0.00 ų (Calculated from Unit Cell)

Optical Data of Sundiusite

Type:
Biaxial (+)
RI values:
nα = 2.100 nγ = 2.170
Max Birefringence:
δ = 0.070
Image shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v extreme

Chemical Properties of Sundiusite

Formula:
Pb10(SO4)O8Cl2
Essential elements:
All elements listed in formula:

Relationship of Sundiusite to other Species

7.BD.05SulphohaliteNa6(SO4)2FCl
7.BD.05Sulfohalite
7.BD.10GaleiteNa15(SO4)5F4Cl
7.BD.10SchaireriteNa3(SO4)(F,Cl)
7.BD.15KogarkoiteNa3(SO4)F
7.BD.20CaracoliteNa3Pb2(SO4)3Cl
7.BD.20CesaniteNa3Ca2(SO4)3(OH)
7.BD.20AiolositeNa4Bi(SO4)3Cl
7.BD.25BurkeiteNa6(CO3)(SO4)2
7.BD.30HanksiteNa22K(SO4)9(CO3)2Cl
7.BD.35CannoniteBi2(SO4)O(OH)2
7.BD.40LanarkitePb2(SO4)O
7.BD.45GrandreefitePb2(SO4)F2
7.BD.50ItoitePb3Ge4+(SO4)2O2(OH)2
7.BD.55ChiluiteBi3Te6+Mo6+O10.5
7.BD.60HectorfloresiteNa9(SO4)4(IO3)
7.BD.65PseudograndreefitePb6(SO4)F10
26.1KogarkoiteNa3(SO4)F
26.2SulphohaliteNa6(SO4)2FCl
26.3SchaireriteNa3(SO4)(F,Cl)
26.4GaleiteNa15(SO4)5F4Cl
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2O
26.6ChlorothioniteK2Cu(SO4)Cl2
26.7KamchatkiteKCu3(SO4)2OCl
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2O
26.9AubertiteCuAl(SO4)2Cl · 14H2O
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O
26.12D'AnsiteNa21Mg(SO4)10Cl3
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2O
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2O
26.16Kleinite(Hg2N)(Cl,SO4) · nH2O
26.17WilcoxiteMgAl(SO4)2F · 17H2O
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2O
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2O
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2O
26.22GrandreefitePb2(SO4)F2
26.23PseudograndreefitePb6(SO4)F10
26.25CaracoliteNa3Pb2(SO4)3Cl
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3Cl
26.28XitieshaniteFe3+(SO4)Cl · 6H2O
26.29NabokoiteKCu7(SO4)5(Te4+O3)OCl

Other Names for Sundiusite

Name in Other Languages:
German:Sundiusit
Spanish:Sundiusita

Other Information

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Sundiusite

Reference List:
Dunn, P. J. and Rouse, R. S. (1980): Sundiusite, a new lead sulfate oxychloride from Långban, Sweden. American Mineralogist 65, 506-508.

Internet Links for Sundiusite

Localities for Sundiusite

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.
(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
Blaß, G. & Graf, H.W. (1993): Neue Funde. Mineralien-Welt, 4 (2), 57-60.; Blaß, G. & Graf, H.W. (1993): Neue Funde. Mineralien-Welt, 4 (2), 57-60.
Sweden
 
  • Värmland
    • Filipstad
Dunn, P. J. and Rouse, R. S. (1980): Sundiusite, a new lead sulfate oxychloride from Långban, Sweden. American Mineralogist 65, 506-508.; Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183.
UK
 
  • Scotland
    • Dumfries & Galloway (Dumfriesshire)
      • Wanlockhead
ex Steve Rust collection specimen now in the Natural History Museum London
Mineral and/or Locality  
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