| Locality type: | Volcanic Complex |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Moinhos da Galega, Falagueira-Venda Nova, Amadora, Lisbon, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 981611 |
| Long-form Identifier: | 1:3:981611:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 7.4km (4.6 miles) | ⓘMonte Suímo Mine, Queluz e Belas, Sintra, Lisbon, Portugal |
| 23.2km (14.4 miles) | ⓘAzóia, Colares, Sintra, Lisbon, Portugal |
| 68.2km (42.4 miles) | ⓘAvarela quarry (Casal da Avarela), Santa Maria e São Pedro e Sobral da Lagoa, Óbidos, Leiria, Portugal |
| References |
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Moinhos da Galega, Falagueira-Venda Nova, Amadora, Lisbon, Portugal