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Quartz from
Gwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France


Locality type:Quarry
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Gwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France
Data Identifiers
Mindat Occurrence Record ID:198782
Long-form Identifier:1:3:198782:9
GUID (UUID V4):0
Nearest other occurrences of Quartz
13.3km (8.3 miles) ⓘLe Rhun Mine, Plélauff, Guingamp, Côtes-d'Armor, Brittany, France
18.1km (11.3 miles) ⓘBellevue Quarry, Saint-Gelven, Bon Repos sur Blavet, Guingamp, Côtes-d'Armor, Brittany, France
23.9km (14.8 miles) ⓘKervern, Saint-Gildas, Saint-Brieuc, Côtes-d'Armor, Brittany, France
26.4km (16.4 miles) ⓘLesdu quarries, Loguivy-Plougras, Lannion, Côtes-d'Armor, Brittany, France
26.8km (16.6 miles) ⓘKerhuel, Loguivy-Plougras, Lannion, Côtes-d'Armor, Brittany, France
26.9km (16.7 miles) ⓘBosméléac, Merléac, Saint-Brieuc, Côtes-d'Armor, Brittany, France
27.1km (16.8 miles) ⓘKerbizien, Poullaouen, Châteaulin, Finistère, Brittany, France
27.1km (16.9 miles) ⓘNenez (Locmaria), Belle-Isle-en-Terre, Guingamp, Côtes-d'Armor, Brittany, France
27.5km (17.1 miles) ⓘConveau quarry, Gourin, Pontivy, Morbihan, Brittany, France
27.8km (17.2 miles) ⓘLa Vieille mine, Poullaouen, Châteaulin, Finistère, Brittany, France
References
Germain, C., Guillou, A. (1985) Minéraux des druses du granite de Quintin. Le Cahier des Micromonteurs 8(2), 3-7
Germain C., Guillou A. (1988), Le Cahier des Micromonteurs, n°3, 3-7
 
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