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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Chamosite from
Dolyhir Quarry, Old Radnor, Powys, Wales, UK


Locality type:Quarry
Classification
Species:Chamosite
Formula:Fe52+Al(AlSi3O10)(OH)8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chamosite data
Locality Data:Click here to view Dolyhir Quarry, Old Radnor, Powys, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:718673
Long-form Identifier:1:3:718673:8
GUID (UUID V4):0
Nearest other occurrences of Chamosite
63.0km (39.2 miles) ⓘCwmneol Colliery (Morris's pit), Cwmaman, Rhondda Cynon Taf, Wales, UK
64.0km (39.7 miles) ⓘFforchaman Colliery, Cwmaman, Rhondda Cynon Taf, Wales, UK
73.6km (45.8 miles) ⓘFriar's Coat trial, Brithdir and Llanfachreth, Gwynedd, Wales, UK
85.4km (53.1 miles) ⓘSturt Bridge, Gloucester, Gloucestershire, England, UK
98.2km (61.0 miles) ⓘCliff exposures and Wave platforms, Pwll Du Head, Pennard, Swansea, 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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