| Locality type: | Shaft |
| Classification |
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| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Rochel, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 287671 |
| Long-form Identifier: | 1:3:287671:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.1km (0.1 miles) | ⓘChão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal |
| 1.2km (0.8 miles) | ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal |
| 4.4km (2.7 miles) | ⓘRegada, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal |
| 10.4km (6.4 miles) | ⓘPicoto Mine, Vilar Seco, Nelas, Viseu, Portugal |
| 12.9km (8.0 miles) | ⓘVila Seca Mine, Vila Seca, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal |
| 16.3km (10.1 miles) | ⓘVenturinha, Sezures, Penalva do Castelo, Viseu, Portugal |
| 22.8km (14.2 miles) | ⓘFonte Limeira quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal |
| 24.7km (15.3 miles) | ⓘSeixos Alvos Mine, U.F Couto de Cima e Couto de Baixo, Viseu, Viseu, Portugal |
| 27.9km (17.3 miles) | ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal |
| 28.0km (17.4 miles) | ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal |
| References |
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