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Unnamed (Pb-Feldspar)

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An anthropogenic phase found in Pb-rich slags.
Very high amounts of the Pb end-member can be found in feldspars of the Zechstein black-shale-hosted Cu deposits of the Polish Fore-Sudetic Monocline (Kucha, 1985). These feldspars contain up to 20.53 wt.% PbO, but are still under 50% of the Pb endmember, so are just Plumbian Feldspar.

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Classification of Unnamed (Pb-Feldspar)Hide


Chemical Properties of Unnamed (Pb-Feldspar)Hide


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 (Pb-Feldspar)Hide

Reference List:
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P. Benna, M. Tribaudino and E. Bruno (1996): The structure of ordered and disordered Pb feldspar (PbAl2Si2O8). Am. Mineral. 81, 1337–1343.
Kucha, H. (1985): Feldspars, clay, organic and carbonate receptors of heavy metals in Zechstein deposits (Kupferschiefer type), Poland. Trans. Inst. Min. Metall. (Sec B: Appl. Earth Sci.): 94: 133–146

Internet Links for Unnamed (Pb-Feldspar)Hide

Localities for Unnamed (Pb-Feldspar)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.
  • Oshikoto Region
    • Tsumeb
Ettler, V., Johan, Z., Kříbek, B., Šebek, O. & Mihaljevič, M. (2009): Mineralogy and environmental stability of slags from the Tsumeb smelter, Namibia. Applied Geochemistry 24, 1-15.
  • Lesser Poland Voivodeship
    • Chrzanów Co.
      • Gmina Trzebinia
        • Trzebinia smelting plant
Włodyka, R., Gawęda, A., Warchulski, R. (2015): Metallurgical slags from the “Trzebinia” smelting plant, Poland. Mineralogia Special Papers: 44: 108-109
Mineral and/or Locality  
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