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
Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France


Locality type:Alluvials
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Dahouët beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:454692
Long-form Identifier:1:3:454692:4
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
1.4km (0.9 miles) ⓘLe Port Morvan beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
5.9km (3.6 miles) ⓘLa Ville Berneuf beach alluvials, Pléneuf-Val-André, Saint-Brieuc, Côtes-d'Armor, Brittany, France
10.8km (6.7 miles) ⓘL’Hôtellerie beach alluvials, Hillion, Saint-Brieuc, Côtes-d'Armor, Brittany, France
11.9km (7.4 miles) ⓘSaint-Laurent-de-la-Mer beach alluvials, Plérin, Saint-Brieuc, Côtes-d'Armor, Brittany, France
19.2km (11.9 miles) ⓘLes Godelins beach alluvials, Étables-sur-Mer, Binic-Etables-sur-Mer, Saint-Brieuc, Côtes-d'Armor, Brittany, France
27.9km (17.4 miles) ⓘLa Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
43.7km (27.1 miles) ⓘLa Montagne-Saint-Joseph, Saint-Malo, Saint-Malo, Ille-et-Vilaine, Brittany, France
57.2km (35.5 miles) ⓘBellevue Quarry, Saint-Gelven, Bon Repos sur Blavet, Guingamp, Côtes-d'Armor, Brittany, France
59.5km (37.0 miles) ⓘGwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France
72.1km (44.8 miles) ⓘChrist quarry, Ploumilliau, Lannion, Côtes-d'Armor, Brittany, France
References
Chauris L. (1997), Les sables noirs à ilménite et magnétite de la baie de Saint-Brieuc en Bretagne septentrionale, Bull. Soc. Sc. Nat. Ouest de la France, nouvelle série, tome 19, (2), pp. 84-95.
 
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