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

Description
Comments:Xls to 1mm
Habit:Prismatic
Colour:Colourless-white
Quality of samples:Poor for species, only of interest for locality collectors. (#)
Rarity at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
References
References:UKJMM 17
Data
Mineral Data:Click here to view Gypsum 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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