| 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 Kristiansen Quarry (Bånkall Quarry), Bånkall, Grorud, Oslo, Norway |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 169799 |
| Long-form Identifier: | 1:3:169799:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Biotite |
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| 1.0km (0.6 miles) | ⓘGjelleråsen, Nittedal, Akershus, Norway |
| 2.5km (1.6 miles) | ⓘHuken Quarry, Grorud, Oslo, Norway |
| 2.6km (1.6 miles) | ⓘBjønndalen Quarry, Nittedal, Akershus, Norway |
| 5.5km (3.4 miles) | ⓘTonsenplassen, Oslomarka, Oslo, Norway |
| 6.9km (4.3 miles) | ⓘSandermosen, Maridalen, Oslomarka, Oslo, Norway |
| 20.5km (12.7 miles) | ⓘBallerud, Bærum (Baerum), Akershus, Norway |
| 22.1km (13.7 miles) | ⓘRambydalen Quarry, Ullensaker, Akershus, Norway |
| 28.4km (17.7 miles) | ⓘFjellsjøen, Lunner, Akershus, Norway |
| 30.7km (19.1 miles) | ⓘLake Gjerdingen larvikite outcrop, Jevnaker, Akershus, Norway |
| 34.2km (21.2 miles) | ⓘMidtmoen, Øståsen, Lunner, Akershus, Norway |
| References |
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