| Locality type: | Quarry |
| 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 Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1995 |
| Long-form Identifier: | 1:3:1995:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.6km (0.4 miles) | ⓘGorb, Lärchultini, Binn, Goms, Valais, Switzerland |
| 3.0km (1.9 miles) | ⓘHolzerspitz north slope, Fäldbach valley, Binn, Goms, Valais, Switzerland |
| 3.8km (2.4 miles) | ⓘFlesch lake, Binn, Goms, Valais, Switzerland |
| 4.6km (2.8 miles) | ⓘMonte Cervandone area, Devero Alp, Baceno, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 8.0km (5.0 miles) | ⓘArbola Glacier (Punta d'Arbola N and E slopes; Ofenhorn N and E slopes), Sabbione Glacier area, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 8.4km (5.2 miles) | ⓘRitterpass NE-combe REE-mineralization, Chummibort, Grengiols, Östlich Raron, Valais, Switzerland |
| 9.2km (5.7 miles) | ⓘHillehorn northeast slope, Chummibort, Grengiols, Östlich Raron, Valais, Switzerland |
| 12.3km (7.6 miles) | ⓘVallone di Nefelgiù, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 15.1km (9.4 miles) | ⓘVerampio-Crego area, Premia, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| 16.7km (10.4 miles) | ⓘColmine di Crevola (Monte Colmine), Varzo, Verbano-Cusio-Ossola Province, Piedmont, Italy |
| References |
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Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland