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


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Gold1
Quartz1
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Prince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:64292
Long-form Identifier:1:3:64292:1
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
9.7km (6.0 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
10.1km (6.3 miles) ⓘPrincess Marina Mine (Bedd-y-Coedwr Mine; Beddcoedwr Mine), Ganllwyd, Gwynedd, Wales, UK
10.2km (6.3 miles) ⓘGwynfynydd Mine, Ganllwyd, Gwynedd, Wales, UK
10.3km (6.4 miles) ⓘCwmheisian East Mine, Ganllwyd, Gwynedd, Wales, UK
11.9km (7.4 miles) ⓘBwlch y Plym Mine, Llanfrothen, Gwynedd, Wales, UK
12.6km (7.8 miles) ⓘPantywrach Mine, Llanfrothen, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
15.5km (9.6 miles) ⓘCefn Coch Mine (incl. Berthlwyd Mine; New California Mine), Ganllwyd, Gwynedd, Wales, UK
16.5km (10.2 miles) ⓘCaegwernog Mine, Llanelltyd, Gwynedd, Wales, UK
18.2km (11.3 miles) ⓘHafod y Llan workings, Beddgelert, 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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