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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Smithsonite from
Machen quarry, Machen, Caerphilly, Wales, UK


08938990017363406177282.jpg
Smithsonite

Machen quarry, Machen, Caerphilly, Wales, UK
08938990017363406177282.jpg
Smithsonite

Machen quarry, Machen, Caerphilly, Wales, UK
04843580017363406184078.jpg
Smithsonite

Machen quarry, Machen, Caerphilly, Wales, UK
Locality type:Quarry
Classification
Species:Smithsonite
Formula:ZnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smithsonite data
Locality Data:Click here to view Machen quarry, Machen, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:35131
Long-form Identifier:1:3:35131:1
GUID (UUID V4):0
Nearest other occurrences of Smithsonite
0.8km (0.5 miles) ⓘOchrwyth Mine, Risca, Caerphilly, Wales, UK
3.0km (1.9 miles) ⓘCwm Leyshon Quarry, Draethen, Caerphilly, Wales, UK
15.5km (9.6 miles) ⓘAbercynon Colliery (Dowlais Cardiff), Abercynon, Rhondda Cynon Taf, Wales, UK
19.7km (12.2 miles) ⓘLlantrisant, Rhondda Cynon Taf, Wales, UK
24.5km (15.2 miles) ⓘClevedon Beach, Clevedon, North Somerset, England, UK
34.8km (21.6 miles) ⓘStancombe Quarry, Backwell, North Somerset, England, UK
38.5km (23.9 miles) ⓘSinging River Mine, Shipham, Sedgemoor, Somerset, England, UK
43.3km (26.9 miles) ⓘWoodleaze Quarry, Tytherington, South Gloucestershire, Gloucestershire, England, UK
47.5km (29.5 miles) ⓘEast Harptree Lead Mine, East Harptree, Bath and North East Somerset, England, UK
69.2km (43.0 miles) ⓘDolyhir Quarry, Old Radnor, Powys, Wales, UK
References
Plant, S.P., Jones, I.E. (1996) Minerals of Machen quarry, Mid Glamorgan, Wales. Journal of the Russell Society, 6 (1) 31-36
 
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