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
Lliwedd Mine, Beddgelert, Gwynedd, Wales, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Lliwedd Mine, Beddgelert, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:684696
Long-form Identifier:1:3:684696:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
5.4km (3.3 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
8.2km (5.1 miles) ⓘDinorwic Quarry, Llanddeiniolen, Gwynedd, Wales, UK
8.5km (5.3 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
8.5km (5.3 miles) ⓘMynydd Drws-y-Coed, Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
8.7km (5.4 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
8.8km (5.5 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
9.0km (5.6 miles) ⓘLlechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
9.2km (5.7 miles) ⓘMoel Hebog, Beddgelert, Gwynedd, Wales, UK
9.7km (6.0 miles) ⓘTanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
10.2km (6.3 miles) ⓘVotty and Bowydd Quarry, Ffestiniog, Gwynedd, Wales, UK
References
Reedman, A. J., Colman, T. B., Campbell, S. D. G., Howells, M. F. (1985) Volcanogenic mineralization related to the Snowdon Volcanic Group (Ordovician), Gwynedd, North Wales. Journal of the Geological Society, 142 (5) 875-888 doi:10.1144/gsjgs.142.5.0875
 
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