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Cordierite from
Brignogan-Plages, Finistère, Brittany, France

Classification
Species:Cordierite
Formula:(Mg,Fe)2Al3(AlSi5O18)
Confirmation
Validity:Believed Valid
References
References:Georget, Y., Nature et origine des granites peralumineux à cordiérite et des roches associées, Exemple des granitoïdes du Massif Armoricain (France) : Pétrologie et géochimie, Thèse de Doctorat de l'Université de Rennes I, 1986, 86-97.
Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 255.
Data
Mineral Data:Click here to view Cordierite data
Locality Data:Click here to view Brignogan-Plages, Finistère, Brittany, France
Nearest other occurrences of Cordierite
0.0km (0.0 miles) A Brignogan-Plages, Plounéour-Brignogan-Plages, Finistère, Brittany, France
54.5km (33.9 miles) B Milliau Island, Trébeurden, Côtes-d'Armor, Brittany, France
180.2km (112.0 miles) C Porthcurno, St Levan, Cornwall, England, UK
180.8km (112.3 miles) D St Michael's Mount, Cornwall, England, UK
190.5km (118.4 miles) E Kenidjack Cliff, St Just, Cornwall, England, UK
191.3km (118.9 miles) F Botallack Head (Wheal Cock Carn), Cliff outcrops, Botallack, St Just, Cornwall, England, UK
193.5km (120.3 miles) G Pointe du Bile beach alluvials, Penestin, Morbihan, Brittany, France
194.9km (121.1 miles) H Tresayes Quarry (Polpuff Quarry), Trezaise (Tresayes), Roche, Cornwall, England, UK
Mineral and/or Locality  
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