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Lanarkite 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:Slightly tinted yellowish to colourless xl sprays to 5mm (XRD), on galena with susannite.
Habit:Bladed
Colour:Off white
Quality of samples:Good crystals or rich for species - important (!)
Rarity at site:Very Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Analysis Reference:Oxford University Museum.
References
References:UKJMM 17
Associated minerals:
Associates:Covellite
Galena
Susannite
Data
Mineral Data:Click here to view Lanarkite 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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