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

Description
Comments:Major vein mineral, cavitys lined with pyramiddle xls to 8mm.
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:No reference listed
Data
Mineral Data:Click here to view Quartz 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
Mineral and/or Locality
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