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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Hydrozincite from
Machen quarry, Machen, Caerphilly, Wales, UK


03785100017373093271204.jpg
Hydrozincite

Machen quarry, Machen, Caerphilly, Wales, UK
03785100017373093271204.jpg
Hydrozincite

Machen quarry, Machen, Caerphilly, Wales, UK
05256270017360845983395.jpg
Hydrozincite

Machen quarry, Machen, Caerphilly, Wales, UK
Locality type:Quarry
Classification
Species:Hydrozincite
Formula:Zn5(CO3)2(OH)6
Comments:micro-crystalline
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hydrozincite data
Locality Data:Click here to view Machen quarry, Machen, Caerphilly, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:35123
Long-form Identifier:1:3:35123:2
GUID (UUID V4):0
Nearest other occurrences of Hydrozincite
78.3km (48.6 miles) ⓘDalrhiw, Rhayader, Powys, Wales, UK
79.2km (49.2 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
90.8km (56.4 miles) ⓘFlorida Mine (Abbey Consols Mine; Bronberllan Mine), Pontrhydfendigaid, Ceredigion, Wales, UK
95.3km (59.2 miles) ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
97.7km (60.7 miles) ⓘGwaithgoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK
98.9km (61.4 miles) ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, 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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