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Sundiusite

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Formula:
Pb
 
10
(SO
 
4
)O
 
8
Cl
 
2
System:MonoclinicColour: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).
This page provides mineralogical data about Sundiusite.

Classification of Sundiusite

IMA status:Approved 1979
Strunz 8th edition ID:3/D.10-130
Nickel-Strunz 10th (pending) edition ID:7.BD.70

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
B : Sulfates (selenates, etc.) with additional anions, without H2O
D : With only large cations
Dana 8th edition ID:30.1.1.1

30 : ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p>2:1
Hey's CIM Ref.:26.24

26 : Sulphates with Halide
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Type Occurrence of Sundiusite

Type Locality:Långban, Filipstad, Värmland, Sweden
Year of Discovery:1979

Physical Properties of Sundiusite

Lustre: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
Maximum Birefringence:δ = 0.070

Chart 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:
Pb
 
10
(SO
 
4
)O
 
8
Cl
 
2
Simplified for copy/paste:Pb10(SO4)O8Cl2
Essential elements:Cl, O, Pb, S
All elements listed in formula:Cl, O, Pb, S

Relationship of Sundiusite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.BD.05Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
7.BD.05Sulfohalite
7.BD.10Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
7.BD.10Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
7.BD.15Kogarkoite
Na
 
3
(SO
 
4
)F
7.BD.20Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
7.BD.20Cesanite
Na
 
3
Ca
 
2
(SO
 
4
)
 
3
(OH)
7.BD.20Aiolosite
Na
 
4
Bi(SO
 
4
)
 
3
Cl
7.BD.25Burkeite
Na
 
6
(CO
 
3
)(SO
 
4
)
 
2
7.BD.30Hanksite
Na
 
22
K(SO
 
4
)
 
9
(CO
 
3
)
 
2
Cl
7.BD.35Cannonite
Bi
 
2
(SO
 
4
)O(OH)
 
2
7.BD.40Lanarkite
Pb
 
2
(SO
 
4
)O
7.BD.45Grandreefite
Pb
 
2
(SO
 
4
)F
 
2
7.BD.50Itoite
Pb
 
3
Ge
4+
 
(SO
 
4
)
 
2
O
 
2
(OH)
 
2
7.BD.55Chiluite
Bi
 
3
Te
6+
 
Mo
6+
 
O
 
10.5
7.BD.60Hectorfloresite
Na
 
9
(SO
 
4
)
 
4
(IO
 
3
)
7.BD.65Pseudograndreefite
Pb
 
6
(SO
 
4
)F
 
10
Related Minerals - Hey's Index Grouping:

- +
26.1Kogarkoite
Na
 
3
(SO
 
4
)F
26.2Sulphohalite
Na
 
6
(SO
 
4
)
 
2
FCl
26.3Schairerite
Na
 
3
(SO
 
4
)(F,Cl)
26.4Galeite
Na
 
15
(SO
 
4
)
 
5
F
 
4
Cl
26.5Connellite
Cu
 
19
(SO
 
4
)(OH)
 
32
Cl
 
4
· 3H
 
2
O
26.6Chlorothionite
K
 
2
Cu(SO
 
4
)Cl
 
2
26.7Kamchatkite
KCu
 
3
(SO
 
4
)
 
2
OCl
26.8Spangolite
Cu
 
6
Al(SO
 
4
)(OH)
 
12
Cl · 3H
 
2
O
26.9Aubertite
CuAl(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.10Magnesioaubertite
(Mg,Cu)Al(SO
 
4
)
 
2
Cl · 14H
 
2
O
26.11Svyazhinite
(Mg,Mn
2+
 
,Ca)(Al,Fe
3+
 
)(SO
 
4
)
 
2
F · 14H
 
2
O
26.12D'Ansite
Na
 
21
Mg(SO
 
4
)
 
10
Cl
 
3
26.13Anhydrokainite
KMg(SO
 
4
)Cl
26.14Kainite
KMg(SO
 
4
)Cl · 3H
 
2
O
26.15Mosesite
(Hg
 
2
N)(Cl,SO
 
4
,MoO
 
4
) · H
 
2
O
26.16Kleinite
(Hg
 
2
N)(Cl,SO
 
4
) · nH
 
2
O
26.17Wilcoxite
MgAl(SO
 
4
)
 
2
F · 17H
 
2
O
26.18Creedite
Ca
 
3
SO
 
4
Al
 
2
F
 
8
(OH)
 
2
· 2H
 
2
O
26.19Lannonite
Mg
 
2
Ca
 
4
Al
 
4
(SO
 
4
)
 
8
F
 
8
· 24H
 
2
O
26.20Chukhrovite-(Y)
Ca
 
3
(Y,Ce)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.21Chukhrovite-(Ce)
Ca
 
3
(Ce,Y)[F|SO
 
4
|(AlF
 
6
)
 
2
] · 10H
 
2
O
26.22Grandreefite
Pb
 
2
(SO
 
4
)F
 
2
26.23Pseudograndreefite
Pb
 
6
(SO
 
4
)F
 
10
26.25Caracolite
Na
 
3
Pb
 
2
(SO
 
4
)
 
3
Cl
26.26Mammothite
Pb
 
6
Cu
 
4
AlSb
5+
 
O
 
2
(OH)
 
16
Cl
 
4
(SO
 
4
)
 
2
26.27Atlasovite
K(BiO)Cu
 
6
Fe
3+
 
(SO
 
4
)
 
5
O
 
3
Cl
26.28Xitieshanite
Fe
3+
 
(SO
 
4
)Cl · 6H
 
2
O
26.29Nabokoite
KCu
 
7
(SO
 
4
)
 
5
(Te
4+
 
O
 
3
)OCl

Other Names for Sundiusite

Synonyms:
IMA1979-044Sundiusite (of Dunn and Rouse)
Other Languages:
German:Sundiusit
Spanish:Sundiusita

Other Information

Health Warning: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:

- +
American Mineralogist (1980): 65: 506-508.

Internet Links for Sundiusite

Search Engines:
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  • External Links:
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  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Sundiusite details from Handbook of Mineralogy (PDF)
  • Mineral Dealers:
  • rare and unusual minerals mainly crystallized
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  • Localities for Sundiusite

    The 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. ? 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
    Amer.Min.(1980) 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
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