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
Dolyhir Quarry, Old Radnor, Powys, Wales, UK


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Anatase13
Baryte4
Harmotome1
Sphalerite1
Synchysite-(Ce)1
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Dolyhir Quarry, Old Radnor, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:718696
Long-form Identifier:1:3:718696:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
20.2km (12.6 miles) ⓘLlanelwedd Quarry, Builth Wells, Powys, Wales, UK
35.0km (21.7 miles) ⓘCwm Elan Mine, Rhayader, Powys, Wales, UK
35.2km (21.9 miles) ⓘCwm Fron Mine, Llanidloes, Powys, Wales, UK
35.4km (22.0 miles) ⓘRhiwnant Mine, Rhayader, Powys, Wales, UK
35.5km (22.1 miles) ⓘDolwen Mine, Llanidloes, Powys, Wales, UK
35.7km (22.2 miles) ⓘDalrhiw, Rhayader, Powys, Wales, UK
35.8km (22.2 miles) ⓘTylwch United Mine, Llanidloes, Powys, Wales, UK
35.8km (22.2 miles) ⓘNant-y-Car Mine, Rhayader, Powys, Wales, UK
35.9km (22.3 miles) ⓘMore Quarry (Squilver Quarry), Disgwylfa Hill, Moreswood, More, Shropshire, England, UK
35.9km (22.3 miles) ⓘSouth Nant-y-Car Mine, Rhayader, Powys, Wales, UK
References
Cotterell, T. F.; Green, D. I.; Hubbard, N.; Mason, J. S.; Starkey, R. E.; Tindle, A. G. (2011) The Mineralogy of Dolyhir Quarry, Old Radnor, Powys, Wales. UK Journal of Mines and Minerals 32, p.5-61.
 
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