Sundiusite
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About Sundiusite
Formula:
Pb10(SO4)O8Cl2
Colour:
White to colourless
Lustre:
Adamantine
Hardness:
3
Specific Gravity:
7.0
Crystal System:
Monoclinic
Name:
Named by P.J. Dunn and R.S. Rouse in 1979 after Nils Gustaf Sundius (21 May 1886, Banker, Östergötland, Sweden - 6 December 1976, Djursholm, Danderyd, Stockholm County, Sweden), mineralogist with the Geological Survey of Sweden, in recognition of his contributions to the mineralogy of Långban (Sweden). Pronounced sūn'-dē-ūs-ite.
The name was used previously for a hypothetical amphibole, but its use not widely recognized.
The name was used previously for a hypothetical amphibole, but its use not widely recognized.
Classification of Sundiusite
Approved
Approval year:
1979
First published:
1980
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
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
30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
26.24
26 : Sulphates with Halide
26 : Sulphates with Halide
Physical Properties of Sundiusite
Adamantine
Transparency:
Translucent
Colour:
White to colourless
Streak:
White
Hardness:
3 on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
{100}
{100}
Density:
7.0 g/cm3 (Measured) 7.20 g/cm3 (Calculated)
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.
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
r < v extreme
Chemical Properties of Sundiusite
Formula:
Pb10(SO4)O8Cl2
Elements listed:
Crystallography of Sundiusite
Crystal System:
Monoclinic
Cell Parameters:
a = 24.67(1) Å, b = 3.781(1) Å, c = 11.881(5) Å
β = 100.07(4)°
β = 100.07(4)°
Ratio:
a:b:c = 6.525 : 1 : 3.142
Unit Cell V:
1,091.15 ų (Calculated from Unit Cell)
Comment:
Space group C2/m, C2 or Cm.
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.10 Å | (30) |
3.744 Å | (30) |
3.101 Å | (60) |
3.044 Å | (60) |
2.981 Å | (100) |
2.737 Å | (80) |
Type Occurrence of Sundiusite
General Appearance of Type Material:
Plumose aggregates of overlapping crystals
Place of Conservation of Type Material:
The Natural History Museum, London, England, 1980,580.
Royal Ontario Museum, Toronto, Canada, M36619
Harvard University, 117086.
National Museum of Natural History, Washington, D.C., USA, 134984.
Royal Ontario Museum, Toronto, Canada, M36619
Harvard University, 117086.
National Museum of Natural History, Washington, D.C., USA, 134984.
Synonyms of Sundiusite
Other Language Names for Sundiusite
German:Sundiusit
Spanish:Sundiusita
Common Associates
Related Minerals - Nickel-Strunz Grouping
7.BD.05 | Sulphohalite | Na6(SO4)2FCl | Iso. m3m (4/m 3 2/m) |
7.BD.05 | Sulfohalite | Na6(SO4)2FCl | |
7.BD.10 | Galeite | Na15(SO4)5F4Cl | Trig. |
7.BD.10 | Schairerite | Na21(SO4)7ClF6 | Trig. 3m (3 2/m) |
7.BD.15 | Kogarkoite | Na3(SO4)F | Mon. |
7.BD.20 | Caracolite | Na3Pb2(SO4)3Cl | Mon. |
7.BD.20 | Cesanite | Na3Ca2(SO4)3(OH) | Hex. 6 : P6 |
7.BD.20 | Aiolosite | Na4Bi(SO4)3Cl | Hex. 6/m : P63/m |
7.BD.25 | Burkeite | Na6(CO3)(SO4)2 | Orth. |
7.BD.30 | Hanksite | Na22K(SO4)9(CO3)2Cl | Hex. 6/m : P63/m |
7.BD.35 | Cannonite | Bi2(SO4)O(OH)2 | Mon. 2/m : P21/b |
7.BD.40 | Lanarkite | Pb2(SO4)O | Mon. 2/m : B2/m |
7.BD.45 | Grandreefite | Pb2(SO4)F2 | Mon. 2/m |
7.BD.50 | Itoite | Pb3Ge4+(SO4)2O2(OH)2 | Orth. mmm (2/m 2/m 2/m) : Pnma |
7.BD.55 | Chiluite | Bi3Te6+Mo6+O10.5 | Hex. |
7.BD.60 | Hectorfloresite | Na9(SO4)4(IO3) | Mon. 2/m : P21/b |
7.BD.65 | Pseudograndreefite | Pb6(SO4)F10 | Orth. 2 2 2 : F2 2 2 |
Related Minerals - Hey's Chemical Index of Minerals Grouping
26.1 | Kogarkoite | Na3(SO4)F | Mon. |
26.2 | Sulphohalite | Na6(SO4)2FCl | Iso. m3m (4/m 3 2/m) |
26.3 | Schairerite | Na21(SO4)7ClF6 | Trig. 3m (3 2/m) |
26.4 | Galeite | Na15(SO4)5F4Cl | Trig. |
26.5 | Connellite | Cu19(SO4)(OH)32Cl4 · 3H2O | Hex. 6 m2 : P62c |
26.6 | Chlorothionite | K2Cu(SO4)Cl2 | Orth. mmm (2/m 2/m 2/m) : Pnma |
26.7 | Kamchatkite | KCu3(SO4)2OCl | Orth. mmm (2/m 2/m 2/m) : Pnma |
26.8 | Spangolite | Cu6Al(SO4)(OH)12Cl · 3H2O | Trig. 3m : P3 1c |
26.9 | Aubertite | CuAl(SO4)2Cl · 14H2O | Tric. 1 |
26.10 | Magnesioaubertite | (Mg,Cu)Al(SO4)2Cl · 14H2O | Tric. 1 : P1 |
26.11 | Svyazhinite | (Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2O | Tric. |
26.12 | D'Ansite | Na21Mg(SO4)10Cl3 | Iso. |
26.13 | Anhydrokainite | KMg(SO4)Cl | |
26.14 | Kainite | KMg(SO4)Cl · 3H2O | Mon. 2/m : B2/m |
26.15 | Mosesite | (Hg2N)(Cl,SO4,MoO4) · H2O | Iso. 4 3m : F4 3m |
26.16 | Kleinite | (Hg2N)(Cl,SO4) · nH2O | Hex. 6/mmm (6/m 2/m 2/m) : P63/mmc |
26.17 | Wilcoxite | MgAl(SO4)2F · 17H2O | Tric. 1 : P1 |
26.18 | Creedite | Ca3SO4Al2F8(OH)2 · 2H2O | Mon. 2/m : B2/b |
26.19 | Lannonite | Mg2Ca4Al4(SO4)8F8 · 24H2O | Tet. 4/m : I4/m |
26.20 | Chukhrovite-(Y) | Ca3(Y,Ce)(AlF6)2(SO4)F · 10H2O | Iso. |
26.21 | Chukhrovite-(Ce) | Ca3(Ce,Y)(AlF6)2(SO4)F · 10H2O | Iso. |
26.22 | Grandreefite | Pb2(SO4)F2 | Mon. 2/m |
26.23 | Pseudograndreefite | Pb6(SO4)F10 | Orth. 2 2 2 : F2 2 2 |
26.25 | Caracolite | Na3Pb2(SO4)3Cl | Mon. |
26.26 | Mammothite | Pb6Cu4AlSb5+O2(OH)16Cl4(SO4)2 | Mon. 2 : B2 |
26.27 | Atlasovite | K(BiO)Cu6Fe3+(SO4)5O3Cl | Tet. 4/mmm (4/m 2/m 2/m) : P4/ncc |
26.28 | Xitieshanite | Fe3+(SO4)Cl · 6H2O | Mon. 2/m : P21/b |
26.29 | Nabokoite | KCu7(SO4)5(Te4+O3)OCl | Tet. |
Fluorescence of Sundiusite
None observed.
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:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, P.J., Rouse, R.S. (1980) Sundiusite, a new lead sulfate oxychloride from Långban, Sweden. American Mineralogist: 65: 506-508.
Internet Links for Sundiusite
mindat.org URL:
https://www.mindat.org/min-3828.html
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Localities for Sundiusite
Locality List




All localities listed without proper references should be considered as questionable.
Germany | |
| Blaß, G. & Graf, H.W. (1993) Neue Funde. Mineralien-Welt, 4 (2), 57-60.; Bender, D. and Krimmelbein, W. (1994) Aktuelle Übersicht: Mineralien der Zinkhütte Genna/Sauerland. Stand Juni 1994. Mineralien-Welt, 4/94, 10. |
Sweden (TL) | |
| 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 | |
| ex Steve Rust collection specimen now in the Natural History Museum London |
Långban mine, Långban Ore District, Filipstad, Värmland County, Sweden