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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Pyrite from
Drws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Drws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:44522
Long-form Identifier:1:3:44522:1
GUID (UUID V4):0
Nearest other occurrences of Pyrite
0.3km (0.2 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
0.9km (0.6 miles) ⓘBenallt Mine, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
6.8km (4.2 miles) ⓘMoel Hebog, Beddgelert, Gwynedd, Wales, UK
7.2km (4.5 miles) ⓘBritannia Mine, Beddgelert, Gwynedd, Wales, UK
7.9km (4.9 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
7.9km (4.9 miles) ⓘHafod y Llan workings, Beddgelert, Gwynedd, Wales, UK
8.7km (5.4 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
12.9km (8.0 miles) ⓘTwll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK
13.5km (8.4 miles) ⓘPenrhyn Slate Quarry, Llandygai, Gwynedd, Wales, UK
15.3km (9.5 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
References
Braithwaite, Richard S.W. (1982) Wroewolfeite in Britain. The Mineralogical Record, 13 (3) 167-174pp.167-167
 
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