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Aurichalcite 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:Xls to 0.3mm and masses to 1cm with malachite. Note some very pale blue masses of intergrown lath crystals of surposed aurichalcite from this mine have been tested (xrd), and found not to be this species, although near to it.
Habit:Crusts of lath-like crystals
Colour:Whiteish to light blue green
UV Fluorescence:none
Quality of samples:not specified / average specimens
Rarity at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visual Identification
References
References:UKJMM 17
Associated minerals:
Associates:Cerussite
Goethite
Hemimorphite
Quartz
Rosasite
Data
Mineral Data:Click here to view Aurichalcite 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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