| Locality type: | Mine |
| Classification |
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| Species: | Topaz |
| Formula: | Al2(SiO4)(F,OH)2 |
| Colour: | blueish |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Quartz | 2 |
| Lepidolite | 2 |
| Data |
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| Mineral Data: | Click here to view Topaz data |
| Locality Data: | Click here to view Alvarrões Mine, Gonçalo, Guarda, Guarda, Portugal |
| Photo Gallery | View Gallery (6 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 825471 |
| Long-form Identifier: | 1:3:825471:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Topaz |
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| 3.3km (2.1 miles) | ⓘVela Nordeste quarry, Vela, Guarda, Guarda, Portugal |
| 4.6km (2.9 miles) | ⓘCovão quarry, Vela, Guarda, Guarda, Portugal |
| 46.3km (28.8 miles) | ⓘBarroca Grande Mine, Aldeia de São Francisco de Assis, Covilhã, Castelo Branco, Portugal |
| 51.7km (32.1 miles) | ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal |
| 51.7km (32.1 miles) | ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal |
| 52.5km (32.6 miles) | ⓘPortugal 1 & 2 quarries, Malpartida, Malpartida e Vale de Coelha, Almeida, Guarda, Portugal |
| 56.3km (35.0 miles) | ⓘCastillejo de Dos Casas, Aldea del Obispo, Salamanca, Castile and Leon, Spain |
| 56.6km (35.2 miles) | ⓘLa Canalita Sn-rich pegmatitic dykes, Peñaparda, Salamanca, Castile and Leon, Spain |
| 58.9km (36.6 miles) | ⓘVillasrubias project, Villasrubias, Salamanca, Castile and Leon, Spain |
| 74.2km (46.1 miles) | ⓘSegura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal |
| References |
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Alvarrões Mine, Gonçalo, Guarda, Guarda, Portugal