| Locality type: | Quarry |
| Classification |
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| Species: | Bertrandite |
| Formula: | Be4(Si2O7)(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Feldspar Group | ⓘ2 photos of Bertrandite associated with Feldspar Group at this locality. |
| Data |
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| Mineral Data: | Click here to view Bertrandite data |
| Locality Data: | Click here to view Ratoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1621241 |
| Long-form Identifier: | 1:3:1621241:1 |
| GUID (UUID V4): | cb803bea-98f7-4b4c-aff0-9bab30300aaa |
| Nearest other occurrences of Bertrandite |
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| 0.7km (0.5 miles) | ⓘRatoeira quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal |
| 6.3km (3.9 miles) | ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal |
| 13.8km (8.6 miles) | ⓘCompanheiro No. 2 quarry, Sezures, Penalva do Castelo, Viseu, Portugal |
| 14.0km (8.7 miles) | ⓘRomãs quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal |
| 15.2km (9.4 miles) | ⓘCompanheiro No. 1 quarry, Sezures, Penalva do Castelo, Viseu, Portugal |
| 16.2km (10.1 miles) | ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal |
| 16.2km (10.1 miles) | ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal |
| 24.8km (15.4 miles) | ⓘVila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 25.0km (15.5 miles) | ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 25.1km (15.6 miles) | ⓘCova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| References |
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Ratoeira No. 1 quarry, U.F. Sequeiros e Gradiz, Aguiar da Beira, Guarda, Portugal