Vote for your favorite mineral in #MinCup26! - Monazite-(Ce) vs. Andalusite
It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
Log InRegister
Quick Links : The Mindat ManualThe Rock H. Currier Digital LibraryMindat Newsletter [Free Download]
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 ArticlesThe ElementsThe Rock H. Currier Digital LibraryGeologic TimeExplore Fossils
Minerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced 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 CompaniesStatisticsUsersMineral MuseumsClubs & OrganizationsMineral Shows & EventsThe Mindat DirectoryDevice SettingsThe Mineral QuizTime Machine
Photo SearchPhoto GalleriesSearch by ColorPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Sillimanite from
Le Glaira quarry, Plouigneau, Morlaix, Finistère, Brittany, France


Locality type:Quarry
Classification
Species:Sillimanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Almandine1
Andalusite1
- var Chiastolite1
Data
Mineral Data:Click here to view Sillimanite data
Locality Data:Click here to view Le Glaira quarry, Plouigneau, Morlaix, Finistère, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:267683
Long-form Identifier:1:3:267683:8
GUID (UUID V4):0
Nearest other occurrences of Sillimanite
2.0km (1.2 miles) ⓘLa Chapelle du Mur, Plouigneau, Morlaix, Finistère, Brittany, France
4.7km (2.9 miles) ⓘVieux Moulin, Plourin-lès-Morlaix, Morlaix, Finistère, Brittany, France
13.7km (8.5 miles) ⓘKélenn beach alluvials, Carantec, Morlaix, Finistère, Brittany, France
14.6km (9.1 miles) ⓘGrève Blanche beach alluvials, Carantec, Morlaix, Finistère, Brittany, France
14.8km (9.2 miles) ⓘLe Diben beach alluvials, Plougasnou, Morlaix, Finistère, Brittany, France
15.5km (9.6 miles) ⓘTrégastel beach alluvials, Plougasnou, Morlaix, Finistère, Brittany, France
15.8km (9.8 miles) ⓘPointe Saint-Jean beach alluvials, Trégondern, Saint-Pol-de-Léon, Morlaix, Finistère, Brittany, France
15.9km (9.9 miles) ⓘPoul Morvan beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France
16.3km (10.1 miles) ⓘTrémenez beach alluvials, Callot island, Carantec, Morlaix, Finistère, Brittany, France
16.7km (10.4 miles) ⓘIle Verte, Carantec, Morlaix, Finistère, Brittany, France
References
Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1973) Inventaire minéralogique de la France - Finistère (29) - Inventaire minéralogique de la France No. 3. Editions du BRGM.
Belot, Victor R. (1978) Guide des minéraux, coquillages et fossiles: où les trouver en France, comment les reconnaître et les collectionner. Guides Horay.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 7, 2026 09:17:08
Go to top of page