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Sundiusite

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About SundiusiteHide

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), Swedish mineralogist, in recognition of his contributions to the mineralogy of Langban (Sweden). Pronounced sūn'-dē-ūs-ite.

The name was used previously for a hypothetical amphibole, but its use not widely recognized.

Classification of SundiusiteHide

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
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

Physical Properties of SundiusiteHide

Adamantine
Transparency:
Translucent
Colour:
White to colourless
Streak:
White
Hardness:
Tenacity:
Brittle
Cleavage:
Perfect
{100}
Density:
7.0 g/cm3 (Measured)    7.20 g/cm3 (Calculated)

Optical Data of SundiusiteHide

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 SundiusiteHide

Formula:
Pb10(SO4)O8Cl2

Crystallography of SundiusiteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 24.67(1) Å, b = 3.781(1) Å, c = 11.881(5) Å
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 DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
6.10 (30)
3.744 (30)
3.101 (60)
3.044 (60)
2.981 (100)
2.737 (80)

Type Occurrence of SundiusiteHide

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.

Synonyms of SundiusiteHide

Other Language Names for SundiusiteHide

German:Sundiusit
Spanish:Sundiusita

Common AssociatesHide

Associated Minerals Based on Photo Data:
Blixite1 photo of Sundiusite associated with Blixite on mindat.org.

Related Minerals - Nickel-Strunz GroupingHide

7.BD.05SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
7.BD.05SulfohaliteNa6(SO4)2FCl
7.BD.10GaleiteNa15(SO4)5F4ClTrig.
7.BD.10SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
7.BD.15KogarkoiteNa3(SO4)FMon.
7.BD.20CaracoliteNa3Pb2(SO4)3ClMon.
7.BD.20CesaniteNa3Ca2(SO4)3(OH)Hex.
7.BD.20AiolositeNa4Bi(SO4)3ClHex. 6/m : P63/m
7.BD.25BurkeiteNa6(CO3)(SO4)2Orth.
7.BD.30HanksiteNa22K(SO4)9(CO3)2ClHex. 6/m : P63/m
7.BD.35CannoniteBi2(SO4)O(OH)2Mon. 2/m : P21/b
7.BD.40LanarkitePb2(SO4)OMon. 2/m : B2/m
7.BD.45GrandreefitePb2(SO4)F2Mon. 2/m
7.BD.50ItoitePb3Ge4+(SO4)2O2(OH)2Orth. mmm (2/m 2/m 2/m) : Pnma
7.BD.55ChiluiteBi3Te6+Mo6+O10.5Hex.
7.BD.60HectorfloresiteNa9(SO4)4(IO3)Mon. 2/m : P21/b
7.BD.65PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

26.1KogarkoiteNa3(SO4)FMon.
26.2SulphohaliteNa6(SO4)2FClIso. m3m (4/m 3 2/m)
26.3SchaireriteNa21(SO4)7ClF6Trig. 3m (3 2/m)
26.4GaleiteNa15(SO4)5F4ClTrig.
26.5ConnelliteCu19(SO4)(OH)32Cl4 · 3H2OHex. 6 m2 : P62c
26.6ChlorothioniteK2Cu(SO4)Cl2Orth. mmm (2/m 2/m 2/m) : Pnma
26.7KamchatkiteKCu3(SO4)2OClOrth. mmm (2/m 2/m 2/m) : Pnma
26.8SpangoliteCu6Al(SO4)(OH)12Cl · 3H2OTrig. 3m : P3 1c
26.9AubertiteCuAl(SO4)2Cl · 14H2OTric. 1
26.10Magnesioaubertite(Mg,Cu)Al(SO4)2Cl · 14H2O
26.11Svyazhinite(Mg,Mn2+,Ca)(Al,Fe3+)(SO4)2F · 14H2OTric.
26.12D'AnsiteNa21Mg(SO4)10Cl3Iso.
26.13AnhydrokainiteKMg(SO4)Cl
26.14KainiteKMg(SO4)Cl · 3H2OMon. 2/m : B2/m
26.15Mosesite(Hg2N)(Cl,SO4,MoO4) · H2OIso.
26.16Kleinite(Hg2N)(Cl,SO4) · nH2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
26.17WilcoxiteMgAl(SO4)2F · 17H2OTric. 1 : P1
26.18CreediteCa3SO4Al2F8(OH)2 · 2H2OMon. 2/m : B2/b
26.19LannoniteMg2Ca4Al4(SO4)8F8 · 24H2O Tet. 4/m : I4/m
26.20Chukhrovite-(Y)Ca3(Y,Ce)[F|SO4|(AlF6)2] · 10H2OIso.
26.21Chukhrovite-(Ce)Ca3(Ce,Y)[F|SO4|(AlF6)2] · 10H2OIso.
26.22GrandreefitePb2(SO4)F2Mon. 2/m
26.23PseudograndreefitePb6(SO4)F10Orth. 2 2 2 : F2 2 2
26.25CaracoliteNa3Pb2(SO4)3ClMon.
26.26MammothitePb6Cu4AlSb5+O2(OH)16Cl4(SO4)2Mon. 2 : B2
26.27AtlasoviteK(BiO)Cu6Fe3+(SO4)5O3ClTet. 4/mmm (4/m 2/m 2/m) : P4/ncc
26.28XitieshaniteFe3+(SO4)Cl · 6H2OMon.
26.29NabokoiteKCu7(SO4)5(Te4+O3)OClTet.

Fluorescence of SundiusiteHide

None observed.

Other InformationHide

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 SundiusiteHide

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 SundiusiteHide

Localities for SundiusiteHide

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 ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Germany
 
  • North Rhine-Westphalia
    • Sauerland
      • Iserlohn
        • Letmathe
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)
 
  • 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 and Galloway
      • Wanlockhead
ex Steve Rust collection specimen now in the Natural History Museum London
Mineral and/or Locality  
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