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

Spernec Point, Primiture, Groix, Lorient, Morbihan, Brittany, Francei
Regional Level Types
Spernec PointPoint
Primiture- not defined -
GroixIsland
LorientArrondissement
MorbihanDepartment
BrittanyRegion
FranceCountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
Latitude & Longitude (WGS84):
47° 38' 39'' North , 3° 26' 9'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Groix2,429 (2016)1.5km
Larmor-Plage9,151 (2016)7.9km
Gâvres815 (2016)8.3km
Port-Louis3,020 (2016)9.2km
Ploemeur20,652 (2016)9.9km
Mindat Locality ID:
294790
Long-form identifier:
mindat:1:2:294790:0
GUID (UUID V4):
0
Name(s) in local language(s):
Pointe du Spernec


No description has been added for this locality. Can you add one?

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


10 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Description: Between Spernec Point and Pen er Lann.
Almandine
Formula: Fe2+3Al2(SiO4)3
'Amphibole Supergroup'
Formula: AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Garnet Group'
Formula: X3Z2(SiO4)3
Glaucophane
Formula: ◻[Na2][Mg3Al2]Si8O22(OH)2
Hematite
Formula: Fe2O3
Lawsonite
Formula: CaAl2(Si2O7)(OH)2 · H2O
Quartz
Formula: SiO2
Rutile
Formula: TiO2
Description: Between Spernect Point and Pen er Lann.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Stilpnomelane
Formula: (K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Titanite
Formula: CaTi(SiO4)O
'Tourmaline'
Formula: AD3G6 (T6O18)(BO3)3X3Z

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 9 - Silicates
Almandine9.AD.25Fe2+3Al2(SiO4)3
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Titanite9.AG.15CaTi(SiO4)O
Lawsonite9.BE.05CaAl2(Si2O7)(OH)2 · H2O
Glaucophane9.DE.25◻[Na2][Mg3Al2]Si8O22(OH)2
Stilpnomelane9.EG.40(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Albite9.FA.35Na(AlSi3O8)
Unclassified
'Amphibole Supergroup'-AB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Tourmaline'-AD3G6 (T6O18)(BO3)3X3Z
'Garnet Group'-X3Z2(SiO4)3

List of minerals for each chemical element

HHydrogen
H Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
H LawsoniteCaAl2(Si2O7)(OH)2 · H2O
H Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
BBoron
B TourmalineAD3G6 (T6O18)(BO3)3X3Z
OOxygen
O AlbiteNa(AlSi3O8)
O Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
O AlmandineFe32+Al2(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
O HematiteFe2O3
O LawsoniteCaAl2(Si2O7)(OH)2 · H2O
O QuartzSiO2
O RutileTiO2
O SpessartineMn32+Al2(SiO4)3
O Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
O TitaniteCaTi(SiO4)O
O TourmalineAD3G6 (T6O18)(BO3)3X3Z
O Garnet GroupX3Z2(SiO4)3
FFluorine
F Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Na Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Mg Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Al AlmandineFe32+Al2(SiO4)3
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Al LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Al SpessartineMn32+Al2(SiO4)3
Al Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Si AlmandineFe32+Al2(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Glaucophane◻[Na2][Mg3Al2]Si8O22(OH)2
Si LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Si QuartzSiO2
Si SpessartineMn32+Al2(SiO4)3
Si Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Si TitaniteCaTi(SiO4)O
Si Garnet GroupX3Z2(SiO4)3
ClChlorine
Cl Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
CaCalcium
Ca LawsoniteCaAl2(Si2O7)(OH)2 · H2O
Ca Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O
Ca TitaniteCaTi(SiO4)O
TiTitanium
Ti Amphibole SupergroupAB2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti RutileTiO2
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe AlmandineFe32+Al2(SiO4)3
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe HematiteFe2O3
Fe Stilpnomelane(K,Ca,Na)(Fe,Mg,Al)8(Si,Al)12(O,OH)36 · nH2O

Other Regions, Features and Areas containing this locality

Eurasian PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

 
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 12:16:01 Page updated: August 12, 2025 21:10:29
Go to top of page