| Locality type: | Complex |
| 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 Cabeço de Vide ultramafic complex, Alter do Chão, Portalegre, Portugal |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1442215 |
| Long-form Identifier: | 1:3:1442215:7 |
| GUID (UUID V4): | 1d9cf74b-4d1c-4f59-ad0f-452908518ca8 |
| Nearest other occurrences of Biotite |
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| 15.4km (9.5 miles) | ⓘD. João quarry (Herdade do Padre João), Monforte, Monforte, Portalegre, Portugal |
| 47.4km (29.4 miles) | ⓘCevadais occurrence, Campo Maior, Portalegre, Portugal |
| 71.9km (44.7 miles) | ⓘPedras Pintas Mine, Cortiçadas de Lavre e Lavre, Montemor-o-Novo, Évora, Portugal |
| 78.0km (48.5 miles) | ⓘBarrocal quarries, Nossa Senhora da Tourega e Nossa Senhora de Guadalupe, Évora, Évora, Portugal |
| 89.9km (55.9 miles) | ⓘSegura Mines (Segura mining field), União de Freg de Segura e Zebreira, Idanha-a-Nova, Castelo Branco, Portugal |
| 90.1km (56.0 miles) | ⓘMonfurado gold prospect, São Cristóvão, Montemor-o-Novo, Évora, Portugal |
| 90.7km (56.4 miles) | ⓘCerro Queimado, União de Freg de Segura e Zebreira, Idanha-a-Nova, Castelo Branco, Portugal |
| 97.6km (60.6 miles) | ⓘSão Miguel de Acha Mines, São Miguel D'acha, Idanha-a-Nova, Castelo Branco, Portugal |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | hydrothermal alteration in Cabeço de Vide mafic – ultramafic complex, Central Portugal Fernando Rochaa,1, Cristiana...Department, University of Aveiro, 3810-193 Aveiro, Portugal CERENA, Instituto Superior Técnico, University...of Lisbon, Av. Rovisco Pais, Lisboa, 1049-001, Portugal b Abstract Mineralogical and geochemical studies...hydrothermally altered rocks from the Cabeço de Vide ultramafic complex. Samples from a borehole ascribed...organizing committee of WRI-15 Keywords: mafic and ultramafic rocks; mineralogy; hydrothermal alteration; XRD; |
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