Locality type: | Quarry |
Classification |
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Species: | Bertrandite |
Formula: | Be4(Si2O7)(OH)2 |
Comments: | Geodes with small (1-2mm) crystals replacing beryl in veins that are rich in micas. |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Bertrandite data |
Locality Data: | Click here to view Ménez Goaillou pegmatite quarries, Coray, Châteaulin, Finistère, Brittany, France |
Photo Gallery | View Gallery (2 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 236292 |
Long-form Identifier: | 1:3:236292:2 |
GUID (UUID V4): | a88b3faa-f87b-4b06-9732-9b461933c81e |
Nearest other occurrences of Bertrandite |
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49.3km (30.7 miles) | ⓘGwernavalou Quarry, Trémargat, Guingamp, Côtes-d'Armor, Brittany, France |
References |
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Ménez Goaillou pegmatite quarries, Coray, Châteaulin, Finistère, Brittany, France