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
Montbelleux Mine, Luitré, Fougères-Vitré, Ille-et-Vilaine, Brittany, France


Locality type:Mine
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 Montbelleux Mine, Luitré, Fougères-Vitré, Ille-et-Vilaine, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:201451
Long-form Identifier:1:3:201451:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
69.1km (42.9 miles) ⓘBois-de-la-Roche quarry, Saint-Aubin-des-Châteaux, Châteaubriant-Ancenis, Loire-Atlantique, Pays de la Loire, France
71.7km (44.6 miles) ⓘLa Montagne-Saint-Joseph, Saint-Malo, Saint-Malo, Ille-et-Vilaine, Brittany, France
81.8km (50.8 miles) ⓘRouez mine, Tennie, Mamers, Sarthe, Pays de la Loire, France
83.8km (52.0 miles) ⓘLa Loge Island, Saint-Jacut-de-la-Mer, Dinan, Côtes-d'Armor, Brittany, France
87.5km (54.3 miles) ⓘLe Bé, Nozay, Châteaubriant-Ancenis, Loire-Atlantique, Pays de la Loire, France
References
Pillard F., Chauris L., Laforêt C. (1985), Inventaire minéralogique de la France, Ed. BRGM, n°13, pp: 60-66
 
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