| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 823937 |
| Long-form Identifier: | 1:3:823937:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 0.7km (0.4 miles) | ⓘCorvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 1.7km (1.0 miles) | ⓘCova da Raposa Mine, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 2.5km (1.6 miles) | ⓘPinhal do Souto Mine, Tragos, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 3.0km (1.9 miles) | ⓘReal quarry, Real, Penalva do Castelo, Viseu, Portugal |
| 3.1km (1.9 miles) | ⓘVila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 3.3km (2.1 miles) | ⓘBom Sucesso No. 4 quarry, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 3.5km (2.2 miles) | ⓘRoad cut, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 4.3km (2.7 miles) | ⓘFreixiosa Mine, Freixiosa, Mangualde, Viseu, Portugal |
| 4.8km (3.0 miles) | ⓘSeixinho Mine - Cunha Alta, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal |
| 5.4km (3.4 miles) | ⓘNossa Senhora da Esperança quarry, Quintela de Azurara, Mangualde, Viseu, Portugal |
| References |
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Sandiães, Castelo de Penalva, Penalva do Castelo, Viseu, Portugal