Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Pyrrhotite from
Lliwedd Mine, Beddgelert, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite1
Chalcopyrite1
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Lliwedd Mine, Beddgelert, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:684698
Long-form Identifier:1:3:684698:5
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
8.5km (5.3 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
8.7km (5.4 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
8.9km (5.5 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
18.4km (11.4 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
19.0km (11.8 miles) ⓘCae Coch Mine, Trefriw, Conwy, Wales, UK
27.0km (16.8 miles) ⓘGwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK
31.3km (19.4 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
33.3km (20.7 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
33.9km (21.0 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
34.1km (21.2 miles) ⓘVigra Mine, Llanelltyd, Gwynedd, Wales, UK
References
Reedman, A. J., Colman, T. B., Campbell, S. D. G., Howells, M. F. (1985) Volcanogenic mineralization related to the Snowdon Volcanic Group (Ordovician), Gwynedd, North Wales. Journal of the Geological Society, 142 (5) 875-888 doi:10.1144/gsjgs.142.5.0875
 
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