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
Cae Coch Mine, Trefriw, Conwy, 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 Cae Coch Mine, Trefriw, Conwy, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:18482
Long-form Identifier:1:3:18482:5
GUID (UUID V4):0
Nearest other occurrences of Pyrite
13.6km (8.5 miles) ⓘBwlch Mine, Conwy, Conwy, Wales, UK
15.5km (9.6 miles) ⓘPenrhyn Slate Quarry, Llandygai, Gwynedd, Wales, UK
17.3km (10.7 miles) ⓘOld Mine, Great Orme, Llandudno, Conwy, Wales, UK
18.4km (11.4 miles) ⓘPenrhyn Mine, Llandegai, Gwynedd, Wales, UK
19.0km (11.8 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
19.4km (12.0 miles) ⓘBritannia Mine, Beddgelert, Gwynedd, Wales, UK
19.5km (12.1 miles) ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK
20.2km (12.5 miles) ⓘLlechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
20.4km (12.7 miles) ⓘHafod y Llan workings, Beddgelert, Gwynedd, Wales, UK
20.7km (12.8 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
and/or  
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