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
Lletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Comments:Major vein mineral.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Langite10
Brochantite5
Chalcopyrite5
Malachite3
Connellite2
Cuprite2
Hemimorphite2
Chalcocite2
Azurite1
Linarite1
Chrysocolla1
Redgillite1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Lletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:40018
Long-form Identifier:1:3:40018:5
GUID (UUID V4):0
Nearest other occurrences of Quartz
1.0km (0.6 miles) ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
1.3km (0.8 miles) ⓘCwmsymlog Mine (East Daren Mine; Gwaithddu Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
1.3km (0.8 miles) ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK
1.4km (0.9 miles) ⓘLlawr-y-cwm-bach Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
1.5km (0.9 miles) ⓘCerrig Yr Wyn Mine (Cerrigyrwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
2.0km (1.3 miles) ⓘCwmerfin Mine, Cwmerfyn, Trefeirig, Ceredigion, Wales, UK
2.1km (1.3 miles) ⓘCwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
2.4km (1.5 miles) ⓘTy-newydd Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK
2.4km (1.5 miles) ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
2.6km (1.6 miles) ⓘCeunant Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK
References
Cotterell, T. (2009) Supergene manganese mineralisation associated with the Camdwr Fault in the Central Wales Orefield. Journal of the Russell Society, 12. 17-27
 
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