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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Quartz from
Prince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite1
Native Gold1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Prince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:64288
Long-form Identifier:1:3:64288:8
GUID (UUID V4):0
Nearest other occurrences of Quartz
7.3km (4.6 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
8.3km (5.2 miles) ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK
8.6km (5.4 miles) ⓘVotty and Bowydd Quarry, Ffestiniog, Gwynedd, Wales, UK
8.8km (5.4 miles) ⓘTanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
9.5km (5.9 miles) ⓘMoel Ysgyfarnogod, Talsarnau, Gwynedd, Wales, UK
9.7km (6.0 miles) ⓘLlechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
9.7km (6.0 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
9.9km (6.2 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
10.2km (6.3 miles) ⓘGwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK
10.6km (6.6 miles) ⓘLlyn du Bach mine, Llanfair, Gwynedd, Wales, UK
References
Mason, J. S., Williamson, K. W. (2001) Filiform Pyrite from the Prince Edward Mine, Dolgellau Gold-Belt, Gwynedd. UK Journal of Mines and Minerals 21, 37-38
 
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