Log InRegister
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreContact UsAdvertise on Mindat
Donate to MindatCorporate SponsorshipSponsor a PageSponsored PagesMindat AdvertisersAdvertise on Mindat
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat Articles
Minerals by PropertiesMinerals by ChemistryAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDLocalities Near MeSearch ArticlesSearch GlossaryMore Search Options
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
Mining CompaniesStatisticsThe ElementsUsersBooks & MagazinesMineral MuseumsMineral Shows & EventsThe Mindat DirectoryDevice Settings
Photo SearchPhoto GalleriesNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day Gallery

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

Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
References
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.
Data
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  
Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Public Relations by Blytheweigh.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2019, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters.
Privacy Policy - Terms & Conditions - Contact Us Current server date and time: June 17, 2019 23:49:24
Go to top of page