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Unnamed (Cu-Pb Silicate ?) from
Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion, Wales, UK

Locality type:Mine
Classification
Species:'Unnamed (Cu-Pb Silicate ?)' (not an IMA approved species)
Formula:Pb, Cu, Si, O ?
Comments:Only found on 4 to 6 specimens from the dumps just north of the old office ruins.
Habit:Wispy groups of lath-like crystals,and plume-like growths.
Colour:White to royal blue
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
References
References:S Rust Collection, Nat Hist Museum London
Associated Minerals Based on Photo Data:
Brochantite1 photo of Unnamed (Cu-Pb Silicate ?) associated with Brochantite at this locality.
Data
Mineral Data:Click here to view Unnamed (Cu-Pb Silicate ?) data
Locality Data:Click here to view Esgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Nant-y-Moch Reservoir area, Talybont, Ceulanymaesmawr, Ceredigion, Wales, UK
Nearest other occurrences of Unnamed (Cu-Pb Silicate ?)
8.3km (5.1 miles) Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
9.9km (6.2 miles) Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
 
Mineral and/or Locality  
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