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La Loge Island, Saint-Jacut-de-la-Mer, Côtes-d'Armor, Brittany, Francei
Regional Level Types
La Loge IslandIsland
Saint-Jacut-de-la-Mer- not defined -
Côtes-d'ArmorDepartment
BrittanyRegion
FranceCountry

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Name(s) in local language(s):îlot de la Loge, Saint-Jacut-de-la-Mer, Côtes-d'Armor, Brittany, France
Latitude & Longitude (WGS84): 48° 37' 0'' North , 2° 11' 39'' West
Latitude & Longitude (decimal): 48.61680,-2.19431
GeoHash:G#: gbwkw46jk
Locality type:Island
Köppen climate type:Cfb : Temperate oceanic climate


Veins of greyish quartz and pegmatite in granite.

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


4 valid minerals.

Detailed Mineral List:

'Apatite'
Colour: green
Description: Well crystallized specimens are very rare.
Reference: John BRUNET 2 collection
Beryl
Formula: Be3Al2(Si6O18)
Habit: Prism
Colour: Green
Reference: Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153
'Biotite'
Reference: Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153
Microcline
Formula: K(AlSi3O8)
Habit: Big Carlsbad xls
Colour: Grey
Reference: Pierrot, R., Chauris, L., and Laforêt, C. (1975) Inventaire minéralogique de la France. Ed. BRGM, n°5, Côtes du Nord, 150-153.
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153
Quartz
Formula: SiO2
Reference: Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Habit: Prism
Colour: Black
Reference: Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 9 - Silicates
Beryl9.CJ.05Be3Al2(Si6O18)
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals arranged by Dana 8th Edition classification

Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
'Apatite'-
'Biotite'-
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z

List of minerals for each chemical element

HHydrogen
H MuscoviteKAl2(AlSi3O10)(OH)2
BeBeryllium
Be BerylBe3Al2(Si6O18)
BBoron
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O MicroclineK(AlSi3O8)
O BerylBe3Al2(Si6O18)
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O MuscoviteKAl2(AlSi3O10)(OH)2
O QuartzSiO2
AlAluminium
Al MicroclineK(AlSi3O8)
Al BerylBe3Al2(Si6O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
SiSilicon
Si MicroclineK(AlSi3O8)
Si BerylBe3Al2(Si6O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si QuartzSiO2
KPotassium
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- Pierrot et al. "Inventaire minéralogique de la France" N°5 Côtes du Nord


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