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Unnamed (Fe Subsulphite)

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Formula:
Fe(S3+,As)2O4
A (Pb,As,Tl)-bearing material comes from the Orzeł Biały mine, Upper Silesia, Poland. One of a few mixed/intermediate valence compounds of such deposits, by subsulphites, sulphites (Unnamed (Fe Sulphite), Unnamed (Zn Sulphite)), pyrosulphites (see Unnamed (Fe Pyrosulphite)) and thiosulphates ('UM1995-34-SO:Fe', Unnamed (Fe Thiosulphate II), Unnamed (Pb Thiosulphate)). The list also includes 'UM1995-35-SO:FePb'.

These compounds are generally banded/radial/fibrous/spherulitic in form and have lowered reflectivity with growing sulphur valence. They are precursors for banded ore sulfides. Compare also Unnamed (Fe Oxysulphide).

The phase occurs within banded sulfide matrix. Oxygen may be balanced thanks to SiO2 admixture.

Its is likely the only subsulphite mineral (though not approved) to date.

Compare also albertiniite - a Fe sulphite mineral.


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Chemical Properties of Unnamed (Fe Subsulphite)Hide

Formula:
Fe(S3+,As)2O4

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 Unnamed (Fe Subsulphite)Hide

Reference List:
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Kucha, H., Viaene, W. (1992): Compounds with mixed and intermediate sulfur valences as precursors of banded sulfides in carbonate-hosted Zn-Pb deposits in Belgium and Poland. Mineralium Deposita: 28(1): 13-21

Internet Links for Unnamed (Fe Subsulphite)Hide

Localities for Unnamed (Fe Subsulphite)Hide

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.
Poland
 
  • Silesian Voivodeship
    • Bytom City Co.
Kucha, H., Viaene, W. (1992): Compounds with mixed and intermediate sulfur valences as precursors of banded sulfides in carbonate-hosted Zn-Pb deposits in Belgium and Poland. Mineralium Deposita: 28(1): 13-21
Mineral and/or Locality  
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