| 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 |
| Associated Minerals Based on Photo Data: |
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| Grossular | 1 |
| - var Hessonite | 1 |
| Quartz | 1 |
| Data |
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| Mineral Data: | Click here to view Biotite data |
| Locality Data: | Click here to view Gneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 431579 |
| Long-form Identifier: | 1:3:431579:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 0.8km (0.5 miles) | ⓘArvigo, Calanca, Moesa Region, Grisons, Switzerland |
| 5.5km (3.4 miles) | ⓘGrono-Verdabbio road, Grono, Moesa Region, Grisons, Switzerland |
| 9.1km (5.6 miles) | ⓘRoveredo-Laura road, Roveredo, Moesa Region, Grisons, Switzerland |
| 9.1km (5.6 miles) | ⓘCastione, Arbedo-Castione, Bellinzona, Ticino, Switzerland |
| 9.6km (6.0 miles) | ⓘAlpe Girso, Arbedo-Castione, Bellinzona, Ticino, Switzerland |
| 9.8km (6.1 miles) | ⓘCama Valley, Cama, Moesa Region, Grisons, Switzerland |
| 10.5km (6.5 miles) | ⓘPizzo Paglia pegmatite dyke, Leggia Valley, Leggia, Grono, Moesa Region, Grisons, Switzerland |
| 10.9km (6.8 miles) | ⓘIragna, Lodrino, Riviera, Riviera, Ticino, Switzerland |
| 12.0km (7.5 miles) | ⓘTrescolmen whiteschist outcrop, Mesocco, Moesa Region, Grisons, Switzerland |
| 13.4km (8.3 miles) | ⓘCastello Svitto, Bellinzona, Bellinzona, Ticino, Switzerland |
| References |
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