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
Thurstaston Beach, Wirral, Merseyside, England, UK


Locality type:Beach
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 Thurstaston Beach, Wirral, Merseyside, England, UK
Data Identifiers
Mindat Occurrence Record ID:17384
Long-form Identifier:1:3:17384:7
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
49.4km (30.7 miles) ⓘCae Coch Mine, Trefriw, Conwy, Wales, UK
65.1km (40.4 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
66.5km (41.3 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
66.6km (41.4 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
67.4km (41.9 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
73.8km (45.9 miles) ⓘFriar's Coat trial, Brithdir and Llanfachreth, Gwynedd, Wales, UK
74.1km (46.0 miles) ⓘGwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK
75.2km (46.7 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
75.5km (46.9 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
79.9km (49.7 miles) ⓘParys Mountain Mines, Amlwch, Isle of Anglesey, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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