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
Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK


Locality type:Cliff
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:101904
Long-form Identifier:1:3:101904:9
GUID (UUID V4):0
Nearest other occurrences of Pyrite
6.1km (3.8 miles) ⓘMoel Hebog, Beddgelert, Gwynedd, Wales, UK
7.8km (4.9 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
11.3km (7.0 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
11.9km (7.4 miles) ⓘHafod y Llan workings, Beddgelert, Gwynedd, Wales, UK
12.6km (7.8 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
12.8km (7.9 miles) ⓘSimdde Dylluan Mine (Talysarn Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
12.9km (8.0 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘBenallt Mine, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
References
 
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