| Locality type: | Mine |
| Classification |
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| Species: | 'Plagioclase' (not an IMA approved species) |
| Formula: | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | XRD |
| Data |
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| Mineral Data: | Click here to view Plagioclase data |
| Locality Data: | Click here to view Ribeira do Mosteiro Mines (Riba de Alva Mines), Poiares, Freixo de Espada à Cinta, Bragança, Portugal |
| Photo Gallery | View Gallery (4 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 820966 |
| Long-form Identifier: | 1:3:820966:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Plagioclase |
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| 17.7km (11.0 miles) | ⓘBarruecopardo Mine, Barruecopardo, Salamanca, Castile and Leon, Spain |
| 25.5km (15.8 miles) | ⓘNumão prospect, Numão, Vila Nova de Foz Côa, Guarda, Portugal |
| 38.3km (23.8 miles) | ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain |
| 51.1km (31.7 miles) | ⓘAlijó spodumene pegmatite, São Mamede de Ribatua, Alijó, Vila Real, Portugal |
| 54.0km (33.5 miles) | ⓘSão Pedro das Águias Mine, U.F Távora e Pereiro, Tabuaço, Viseu, Portugal |
| 77.5km (48.2 miles) | ⓘLa Canalita Sn-rich pegmatitic dykes, Peñaparda, Salamanca, Castile and Leon, Spain |
| 77.6km (48.2 miles) | ⓘGolpejas Mining Group, Golpejas, Salamanca, Castile and Leon, Spain |
| 78.4km (48.7 miles) | ⓘVillarino trás la Sierra, Trabazos, Zamora, Castile and Leon, Spain |
| 78.4km (48.7 miles) | ⓘErvedosa Mine (Tuela Mine), Ervedosa, Vinhais, Bragança, Portugal |
| 79.7km (49.5 miles) | ⓘLatedo, Trabazos, Zamora, Castile and Leon, Spain |
| References |
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Ribeira do Mosteiro Mines, Poiares, Freixo de Espada à Cinta, Bragança, Portugal