Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Tourmaline from
La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France


03829010017363275797295.jpg
Tourmaline

La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
03829010017363275797295.jpg
Tourmaline

La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
05893680017272052971400.jpg
Tourmaline

La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
Locality type:Island
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Habit:Prism
Colour:Black
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view La Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:201224
Long-form Identifier:1:3:201224:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
15.8km (9.8 miles) ⓘLa Montagne-Saint-Joseph, Saint-Malo, Saint-Malo, Ille-et-Vilaine, Brittany, France
22.5km (14.0 miles) ⓘLa Ville Berneuf beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
27.9km (17.4 miles) ⓘDahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
28.9km (17.9 miles) ⓘLe Port Morvan beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
37.3km (23.2 miles) ⓘL’Hôtellerie beach alluvials, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France
39.6km (24.6 miles) ⓘSaint-Laurent-de-la-Mer beach alluvials, Plérin, Saint-Brieuc, Côtes-d'Armor, Brittany, France
46.3km (28.7 miles) ⓘLes Godelins beach alluvials, Étables-sur-Mer, Binic-Etables-sur-Mer, Saint-Brieuc, Côtes-d'Armor, Brittany, France
81.0km (50.4 miles) ⓘBellevue Quarry, Saint-Gelven, Bon Repos sur Blavet, Guingamp, Côtes-d'Armor, Brittany, France
83.8km (52.0 miles) ⓘMontbelleux Mine, Luitré, Fougères-Vitré, Ille-et-Vilaine, Brittany, France
83.8km (52.1 miles) ⓘQuily quarry, Quily, Pontivy, Morbihan, Brittany, France
References
Pierrot, Roland; Chauris, Louis; Laforêt, Claude (1975) Inventaire minéralogique de la France - Côtes-du-Nord (22) - Inventaire minéralogique de la France No. 5. Editions du BRGM.pp.150-153
 
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