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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Tourmaline from
Kervenguy, Milizac, Brest, Finistère, Brittany, France


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 Kervenguy, Milizac, Brest, Finistère, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:1024363
Long-form Identifier:1:3:1024363:1
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
3.2km (2.0 miles) ⓘPenfeunteun, Bourg-Blanc, Brest, Finistère, Brittany, France
5.6km (3.5 miles) ⓘKergonguy, Plouguin, Brest, Finistère, Brittany, France
6.6km (4.1 miles) ⓘGuélet ar C'hoat, Plouguin, Brest, Finistère, Brittany, France
7.1km (4.4 miles) ⓘAr Vouden, Lanrivoaré, Brest, Finistère, Brittany, France
7.2km (4.5 miles) ⓘTrégorff, Saint-Renan, Brest, Finistère, Brittany, France
8.5km (5.3 miles) ⓘQuillimerrien, Saint-Renan, Brest, Finistère, Brittany, France
8.8km (5.5 miles) ⓘL'Aber Ildut, Lanildut, Brest, Finistère, Brittany, France
11.5km (7.2 miles) ⓘKeryaouen, Ploumoguer, Brest, Finistère, Brittany, France
11.8km (7.4 miles) ⓘLamber, Ploumoguer, Brest, Finistère, Brittany, France
12.3km (7.7 miles) ⓘKerouidic, Plouarzel, Brest, Finistère, Brittany, France
References
Chauris, L. (2014) Minéraux de Bretagne [Minerals of Brittany]. Les Editions du Piat. 336pp.p.164
 
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