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Caledonite from
Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK


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Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK
© Steve Rust
Description
Comments:Light blue to pale green xls to 2mm (very good for Wales)(XRD). Associated mostly with susannite.
Habit:Acicular prismatic
Colour:Pale sky blue to blue green
UV Fluorescence:None
Quality of samples:Good crystals or rich for species - important (!)
Rarity at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Analysis Reference:NHM London
References
References:BMS Database, UKJMM 17
Associated minerals:
Associates:Anglesite
Bechererite
Brochantite
Cerussite
Hemimorphite
Hydrocerussite
Langite
Linarite
Quartz
Schulenbergite
Susannite
Wroewolfeite
Data
Mineral Data:Click here to view Caledonite data
Locality Data:Click here to view Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion (Dyfed; Cardiganshire), Wales, UK
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