| Locality type: | Mine |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Fonte da Quinta do Guardal de Cima Mine, Mafamude e Vilar do Paraíso, Vila Nova de Gaia, Porto, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 918503 |
| Long-form Identifier: | 1:3:918503:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 11.6km (7.2 miles) | ⓘMidões Mine (Gens - Midões and Covelo), Covelo, Gondomar, Porto, Portugal |
| 12.9km (8.0 miles) | ⓘSerra de Pias Mines, Valongo, Valongo, Porto, Portugal |
| 13.0km (8.1 miles) | ⓘAbelheira Mine, Aguiar de Sousa, Paredes, Porto, Portugal |
| 13.0km (8.1 miles) | ⓘMedas Mine, Aguiar de Sousa, Paredes, Porto, Portugal |
| 13.0km (8.1 miles) | ⓘTapada Mine, Medas, Gondomar, Porto, Portugal |
| 13.2km (8.2 miles) | ⓘSerra de Santa Justa Mines, Valongo, Valongo, Porto, Portugal |
| 13.3km (8.3 miles) | ⓘVale de Aches e Ribeiro da Igreja Mine, Sobrado, Valongo, Porto, Portugal |
| 13.3km (8.3 miles) | ⓘPinhal - Vale de Achas e Ribeiro da Igreja Mine, Valongo, Valongo, Porto, Portugal |
| 13.3km (8.3 miles) | ⓘRibeiro da Igreja Mine, Alfena, Valongo, Porto, Portugal |
| 13.4km (8.3 miles) | ⓘSítio do Corgo Mine, Medas, Gondomar, Porto, Portugal |
| References |
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