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
Tanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK


Locality type:Exposure
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Tanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:9282
Long-form Identifier:1:3:9282:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.3km (0.8 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
2.0km (1.3 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
2.3km (1.4 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
2.5km (1.6 miles) ⓘLlechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
2.8km (1.7 miles) ⓘVotty and Bowydd Quarry, Ffestiniog, Gwynedd, Wales, UK
5.2km (3.3 miles) ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK
6.7km (4.2 miles) ⓘBwlch y Plym Mine, Llanfrothen, Gwynedd, Wales, UK
8.2km (5.1 miles) ⓘPantywrach Mine, Llanfrothen, Gwynedd, Wales, UK
8.5km (5.3 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
8.8km (5.4 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
References
Green, D. I., Middleton, D. (1996) Alpine-type vein minerals from Tanygrisiau, Gwynedd. UK Journal of Mines and Minerals 16, 30-33
 
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