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Unnamed (Cu-Pb Silicate ?) from
Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK

Locality type:Mine
Species:'Unnamed (Cu-Pb Silicate ?)' (not an IMA approved species)
Formula:Pb, Cu, Si, O ?
Comments:Found associated with caledonite, mattheddleite, and elyite
Habit:Wispy to lath-like crystal groups to 2mm
Colour:From almost white to royal blue
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very Rare
Confirmation Methods:XRD
Analysis Reference:NHM London
References:S Rust collection xrd and some element defind
Associated Minerals Based on Photo Data:
Caledonite2 photos of Unnamed (Cu-Pb Silicate ?) associated with Caledonite at this locality.
Mattheddleite2 photos of Unnamed (Cu-Pb Silicate ?) associated with Mattheddleite at this locality.
Mineral Data:Click here to view Unnamed (Cu-Pb Silicate ?) data
Locality Data:Click here to view Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
Nearest other occurrences of Unnamed (Cu-Pb Silicate ?)
1.8km (1.1 miles) Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
8.3km (5.1 miles) 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
Mineral and/or Locality  
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