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Chalcedony from
Bestrée, Pointe du Raz, Plogoff, Cape Sizun, Finistère, Brittany, France

Species:Quartz var: Chalcedony
Validity:Believed Valid
References:Y. Moëlo, Y. Fouquet, C. Laforêt, L. Chauris, Bull. Minéral., 1978, 101, pp. 363-367, France. ; Chauris, L. (2014): Minéraux de Bretagne, Les Editions du Piat, 82.
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Bestrée, Pointe du Raz, Plogoff, Cape Sizun, Finistère, Brittany, France
Nearest other occurrences of Chalcedony
43.6km (27.1 miles) A Cléguériou, Logonna-Daoulas, Finistère, Brittany, France
75.1km (46.7 miles) B Le Ruguel, Collorec, Plonévez-du-Faou, Finistère, Brittany, France
78.1km (48.5 miles) C Kernivaigne quarry, Riec-sur-Bélon, Finistère, Brittany, France
88.6km (55.1 miles) D Siec island, Santec, Finistère, Brittany, France
114.0km (70.8 miles) E Le Rhun Mine, Plélauff, Côtes-d'Armor, Brittany, France
118.3km (73.5 miles) F Mané Tanguy, Guern, Morbihan, Brittany, France
119.2km (74.1 miles) G Quistiav (Quistiave), Guern, Morbihan, Brittany, France
119.5km (74.3 miles) H Kerroc'h, Guern, Morbihan, Brittany, France
129.1km (80.2 miles) I Lead mine, Saint-Maudé, Baud, Morbihan, Brittany, France
137.5km (85.4 miles) J La Lande quarry, Plumelin, Morbihan, Brittany, France
217.7km (135.3 miles) K Caerthillian Cove, Landewednack, Cornwall, England, UK
218.8km (136.0 miles) L Kynance Cove, Landewednack, Cornwall, England, UK
220.5km (137.0 miles) M Pedn Boar Point, Coverack, St Keverne, Cornwall, England, UK
Mineral and/or Locality  
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