Neall, Tim; Tindle, Andrew G. and Green, D. I.
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The rare lead zinc arsenate arsendescloizite occurs as pale green crusts associated with calcium-rich mimetite at Sandbed Mine in the Caldbeck Fells, Cumbria. Quantitative chemical analyses show significant substitution of calcium for lead and of copper for zinc. They produce a chemical formula that can be written: (Na0.07,Pb0.71,Ca0.22)(Zn0.73,Cu0.27)[(AsO4)0.94,(PO4)0.04,(VO4)0.01)](OH)0.97, which is remarkably close to the ideal adelite-descloizite group formula. This is the first report of arsendescloizite in the British Isles.
|Item Type:||Journal Article|
|Academic Unit/Department:||Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
|Interdisciplinary Research Centre:||Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)|
|Depositing User:||Elizabeth Lomas|
|Date Deposited:||23 Feb 2009 15:37|
|Last Modified:||02 Aug 2016 13:22|
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