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
Llechwedd slate quarry, Ffestiniog, 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 Llechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:760109
Long-form Identifier:1:3:760109:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.6km (0.4 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
1.2km (0.7 miles) ⓘVotty and Bowydd Quarry, Ffestiniog, Gwynedd, Wales, UK
1.9km (1.2 miles) ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
2.3km (1.5 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
2.5km (1.6 miles) ⓘTanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK
3.5km (2.2 miles) ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK
9.0km (5.6 miles) ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK
9.1km (5.6 miles) ⓘBwlch y Plym Mine, Llanfrothen, Gwynedd, Wales, UK
9.3km (5.8 miles) ⓘSygun Mine, Beddgelert, Gwynedd, Wales, UK
9.7km (6.0 miles) ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
References
Timothy Greenland specimen received from the quarry foreman, 02-03-1963.
 
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