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Chalcocite from
Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK

Description
Habit:Massive, veinlets
Colour:Metallic grey
UV Fluorescence:None
Quality of samples:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Rarity at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
References
References:UKJMM 3
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK
Mineral and/or Locality
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