| Locality type: | Mining Area |
| Classification |
|---|
|
| Species: | 'Biotite' (not an IMA approved species) |
| Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Confirmation |
|---|
|
| Validity: | Believed Valid |
| Data |
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|
| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Cerro Queimado, União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal |
| Data Identifiers |
|---|
|
| Mindat Occurrence Record ID: | 1615076 |
| Long-form Identifier: | 1:3:1615076:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
|---|
|
|
| 1.3km (0.8 miles) | ⓘSegura Mines (Segura mining field), União das Freguesias de Zebreira e Segura, Idanha-a-Nova, Castelo Branco, Portugal |
| 26.5km (16.5 miles) | ⓘGranite outcrop, União de Freguesias de Monsanto e Idanha-a-Velha, Idanha-a-Nova, Castelo Branco, Portugal |
| 37.0km (23.0 miles) | ⓘSão Miguel de Acha Mines, São Miguel de Acha, Idanha-a-Nova, Castelo Branco, Portugal |
| 67.1km (41.7 miles) | ⓘSierra de San Pedro, Cáceres, Cáceres, Extremadura, Spain |
| 83.4km (51.8 miles) | ⓘCevadais occurrence, Campo Maior, Portalegre, Portugal |
| 90.7km (56.4 miles) | ⓘCabeço de Vide ultramafic complex, Alter do Chão, Portalegre, Portugal |
| 92.3km (57.4 miles) | ⓘD. João quarry (Herdade do Padre João), Monforte, Monforte, Portalegre, Portugal |
| References |
|---|
|
Cathelineau, Michel, Boiron, Marie-Christine, Lecomte, Andreï, Martins, Ivo, Silva, Ícaro Dias da, Mateus, Antonio (2024) Lithium-, Phosphorus-, and Fluorine-Rich Intrusions and the Phosphate Sequence at Segura (Portugal): A Comparison with Other Hyper-Differentiated Magmas. Minerals, 14 (3) doi:10.3390/min14030287 |
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