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Unnamed (Cu-Pb Silicate ?)

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Big Photo

Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK
© Steve Rust

Show Unnamed (Cu-Pb Silicate ?) Photos (5)



Formula:
Pb, Cu, Si, O ?
Colour:light to royal blue


Has been found at locations in mid-Wales, and the Leadhills area of Scotland.
As feathery plume-like to lath-like micro-crystals.

Classification of Unnamed (Cu-Pb Silicate ?)

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Physical Properties of Unnamed (Cu-Pb Silicate ?)

Colour:light to royal blue
X-Ray Powder Diffraction:
d-spacingIntensity
Natural History London X-ray file pattern number 6897F and 7106F.(
Comments:Natural History London X-ray file pattern number 6897F and 7106F.

EDS was undertaken at Unilever Plc
Manchester by the late prof Mike Rothwell.

At the moment the unknown is under investigation.

All the above data would indicate a new species.

Chemical Properties of Unnamed (Cu-Pb Silicate ?)

Formula:
Pb, Cu, Si, O ?
Essential elements:Pb
All elements listed in formula:Cu, O, Pb, Si
Analytical Data:EDS information points towards a basic copper lead silicate-(sulphate?).
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.
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    • Localities for Unnamed (Cu-Pb Silicate ?)
    






    


    

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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.

    UK
     
    

    • Scotland
    

      • Strathclyde (Lanarkshire)
    

        • South Lanarkshire
    

          • Leadhills
    
    		S Rust collection, Natural History Museum  London
    





            • Wanlock Dod
    
    		S Rust Collection
    

    • Wales
    

      • Ceredigion (Dyfed; Cardiganshire)
    

        • Ceulanymaesmawr
    

          • Talybont
    

            • Nant-y-Moch Reservoir area
    
    		S Rust Collection, Nat Hist Museum London
    



        • Trefeirig
    

          • Pen-bont Rhydybeddau
    
    		S. Rust collection
    




S Rust collection xrd and some element defind
    

    


    

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