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
Gwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Gwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:9235
Long-form Identifier:1:3:9235:7
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
10.2km (6.3 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
10.5km (6.5 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
11.5km (7.2 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
11.7km (7.3 miles) ⓘVigra Mine, Llanelltyd, Gwynedd, Wales, UK
11.9km (7.4 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
12.5km (7.8 miles) ⓘGraigwen Mine (Nant-Goch Mine), Barmouth, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘFriar's Coat trial, Brithdir and Llanfachreth, Gwynedd, Wales, UK
16.1km (10.0 miles) ⓘPanorama Mine (Belle View Mine), Barmouth, Gwynedd, Wales, UK
18.8km (11.7 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
27.0km (16.8 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
References
 
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