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Tourmaline from
La Loge Island, Saint-Jacut-de-la-Mer, Côtes-d'Armor, Brittany, France

Locality type:Island
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Habit:Prism
Colour:Black
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Pierrot R., Chauris L., Laforêt C. (1975), Inventaire minéralogique de la France, Ed. BRGM, n°5, Côtes du Nord, pp: 150-153
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view La Loge Island, Saint-Jacut-de-la-Mer, Côtes-d'Armor, Brittany, France
Nearest other occurrences of Tourmaline
15.8km (9.8 miles) La Montagne-Saint-Joseph, Saint-Malo, Ille-et-Vilaine, Brittany, France
22.5km (14.0 miles) La Ville Berneuf beach alluvials, Pléneuf-Val-André, Côtes-d'Armor, Brittany, France
27.9km (17.4 miles) Dahouët beach alluvials, Pléneuf-Val-André, Côtes-d'Armor, Brittany, France
28.9km (17.9 miles) Le Port Morvan beach alluvials, Pléneuf-Val-André, Côtes-d'Armor, Brittany, France
37.3km (23.2 miles) L’Hôtellerie beach alluvials, Hillion, Côtes-d'Armor, Brittany, France
39.6km (24.6 miles) Saint-Laurent-de-la-Mer beach alluvials, Plérin, Côtes-d'Armor, Brittany, France
46.3km (28.7 miles) Les Godelins beach alluvials, Étables-sur-Mer, Binic-Etables-sur-Mer, Côtes-d'Armor, Brittany, France
83.8km (52.0 miles) Montbelleux Mine, Luitré, Ille-et-Vilaine, Brittany, France
83.8km (52.1 miles) Quily quarry, Quily, Morbihan, Brittany, France
85.5km (53.2 miles) La Villeder, Le Roc Saint-André, Morbihan, Brittany, France
 
Mineral and/or Locality  
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