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Rosasite 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:Pale blue green balls to 1.5mm on hemimorphite (XRD), with aurichalcite.
Habit:Botryoidal
Colour:Light Blue-green
UV Fluorescence:None
Quality of samples:Poor for species, only of interest for locality collectors. (#)
Rarity at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Analysis Reference:NHM London
References
References:UKJMM 17
Associated minerals:
Associates:Aurichalcite
Hemimorphite
Data
Mineral Data:Click here to view Rosasite 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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