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Sidpietersite

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Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
© Brent Thorne 2009




Formula:
Pb
 
4
(S
 
2
O
 
3
)O
 
2
(OH)
 
2
System:TriclinicColour:Colourless, beige
Lustre:Vitreous, EarthyHardness:1 - 2
Name:Named after Sidney Pieters (1920-2003), of Windhoek, Namibia for his outstanding contributions to Namibian mineralogy.


A compound with a thiosulphate anion (a sulphate anion with one oxygen atom replaced by a sulphur atom), which only occurs very rarely in natural minerals.

Classification of Sidpietersite

IMA status:Approved 1998
Strunz 8th edition ID:6/B.08-05
Nickel-Strunz 10th (pending) edition ID:7.JA.05

7 : SULFATES (selenates, tellurates, chromates, molybdates, wolframates)
J : Thiosulfates
A : Thiosulfates of Pb
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Type Occurrence of Sidpietersite

Type Locality:Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Physical Properties of Sidpietersite

Lustre:Vitreous, Earthy
Diaphaneity (Transparency):Transparent, Opaque
Colour:Colourless, beige
Hardness (Mohs):1 - 2

Crystallography of Sidpietersite

Crystal System:Triclinic

Chemical Properties of Sidpietersite

Formula:
Pb
 
4
(S
 
2
O
 
3
)O
 
2
(OH)
 
2
Essential elements:H, O, Pb, S
All elements listed in formula:H, O, Pb, S

Relationship of Sidpietersite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
7.JA.10Steverustite
Cu
+
 
Pb
2+
5
(S
 
2
O
 
3
)
 
3
(OH)
 
5
 · 2H
 
2
O

Other Names for Sidpietersite

Synonyms:
IMA1998-036
Other Languages:
German:Sidpietersit
Russian:Сидпитерсит
Spanish:Sidpietersita

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 Sidpietersite

Reference List:

- +
Canadian Mineralogist (1999): 37: 1269-1273, 1275-1282.

Internet Links for Sidpietersite

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  • Sidpietersite details from Handbook of Mineralogy (PDF)[Link Broken?]
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    • Localities for Sidpietersite

    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.
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    (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.
    Namibia
     
    • Otjikoto (Oshikoto) Region
      • Tsumeb
    		[Can. Mineral. (1999) 37, 1269; Can. Mineral. (1999) 37, 1275; AmMin 85:1323]
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