| Locality type: | Mine |
| Classification |
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| Species: | Cassiterite |
| Formula: | SnO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Cassiterite data |
| Locality Data: | Click here to view Casayo mines (Casaio mines; Valborraz mines), Carballeda de Valdeorras, Valdeorras, Ourense, Galicia, Spain |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1651424 |
| Long-form Identifier: | 1:3:1651424:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Cassiterite |
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| 23.7km (14.7 miles) | ⓘPenouta mines, Viana do Bolo, Ourense, Galicia, Spain |
| 34.9km (21.7 miles) | ⓘCurrito Mine, Cadafresnas, Corullón, Castile and Leon, Spain |
| 38.4km (23.9 miles) | ⓘCalabor mines, Calabor, Pedralba de la Praderia, Zamora, Castile and Leon, Spain |
| 39.5km (24.5 miles) | ⓘVale da Formiga Mine, França, Bragança, Bragança, Portugal |
| 40.3km (25.1 miles) | ⓘPortelo Mine, França, Bragança, Bragança, Portugal |
| 43.4km (27.0 miles) | ⓘValtreixal mine, Espinhosela, Bragança, Bragança, Portugal |
| 48.2km (29.9 miles) | ⓘPortelas Mine, Agrochão, Vinhais, Bragança, Portugal |
| 67.1km (41.7 miles) | ⓘCabeço do Sardão Mine, Pinela, Bragança, Bragança, Portugal |
| 67.7km (42.1 miles) | ⓘCarvalhas e Monte das Fragas Mine, Travancas e Roriz, Chaves, Vila Real, Portugal |
| 67.8km (42.1 miles) | ⓘParedes - Teixugueiras Mines, Parada e Faílde, Bragança, Bragança, Portugal |
| References |
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