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Unnamed (Ba Thiosulphate Fluoride)

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Formula:
Ba2F2(S6+O3S2-)
System:
Monoclinic
Anthropogenic phase found in slag.
The crystal structure (Kampf, 2009) resembles that of grandreefite.

Classification of Unnamed (Ba Thiosulphate Fluoride)

Not Approved
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Crystallography of Unnamed (Ba Thiosulphate Fluoride)

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Cell Parameters:
a = 15.3172(5) Å, b = 4.5898(1) Å, c = 4.6320(2) Å
β = 101.449(1)°
Ratio:
a:b:c = 3.337 : 1 : 1.009
Unit Cell Volume:
V 319.17 ų
Twinning:
Often twinned.
Comment:
SG C2/m

Chemical Properties of Unnamed (Ba Thiosulphate Fluoride)

Formula:
Ba2F2(S6+O3S2-)
Idealised Formula:
Ba2F2(S2O3)
Essential elements:
All elements listed in formula:

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 Unnamed (Ba Thiosulphate Fluoride)

Reference List:
Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261.

Kampf, A.R. (2009): The crystal structure of Ba2F2(S6+O3S2-), a natural thiosulphate weathering product of old smelting slags at the Surrender Mill, Yorkshire, UK. Mineralogical Magazine 73, 251-255.

Internet Links for Unnamed (Ba Thiosulphate Fluoride)

Localities for Unnamed (Ba Thiosulphate Fluoride)

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.
UK
 
  • England
    • Derbyshire
      • Brampton
        • Holymoorside
Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261.
      • Cromford
Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261.
    • North Yorkshire
      • North Pennines
        • Richmond
          • Whashton
Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261.
        • Swaledale
          • Reeth
            • Kearton
Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261; Kampf, A.R. (2009): The crystal structure of Ba2F2(S6+O3S2-), a natural thiosulphate weathering product of old smelting slags at the Surrender Mill, Yorkshire, UK. Mineralogical Magazine 73, 251-255. ; Braithwaite, R.S.W., Kampf, A.R., Pritchard, R.G., Lamb, R.P.H. (1993): The occurrence of thiosulfates and other unstable sulfur species as natural weathering products of old smelting slags. Mineralogy and Petrology, 47, 255-261.
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