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


Locality type:Mine
Classification
Species:'Chlorite Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chlorite Group data
Locality Data:Click here to view Prince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:64294
Long-form Identifier:1:3:64294:9
GUID (UUID V4):0
Nearest other occurrences of Chlorite Group
7.3km (4.6 miles) ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK
8.3km (5.2 miles) ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK
9.7km (6.0 miles) ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK
13.2km (8.2 miles) ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK
19.7km (12.3 miles) ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK
20.9km (13.0 miles) ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK
23.8km (14.8 miles) ⓘHafotty Mine, Dyffryn Ardudwy, Gwynedd, Wales, UK
24.8km (15.4 miles) ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK
25.5km (15.8 miles) ⓘCregenen (Cregennen), Arthog, Gwynedd, Wales, UK
34.1km (21.2 miles) ⓘTal y Fan, Caerhun, Conwy, 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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