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 Midtbø (Midbø), Tvedestrand, Agder, Norway |
Data Identifiers |
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Mindat Occurrence Record ID: | 912723 |
Long-form Identifier: | 1:3:912723:4 |
GUID (UUID V4): | 9d09a52c-4e94-4d3c-8380-6f0bc9584c58 |
Nearest other occurrences of Biotite |
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2.3km (1.4 miles) | ⓘSolbutjernane, Tvedestrand, Agder, Norway |
4.7km (2.9 miles) | ⓘHauglandsvatnet, Vegårshei, Agder, Norway |
5.1km (3.2 miles) | ⓘNordre Fiane Iron Mine, Solberg iron mines, Holt, Tvedestrand, Agder, Norway |
5.8km (3.6 miles) | ⓘGangdalstjern mine, Solberg iron mines, Holt, Tvedestrand, Agder, Norway |
6.0km (3.8 miles) | ⓘØsterådalen, Østerå, Tvedestrand, Agder, Norway |
6.9km (4.3 miles) | ⓘJensen's Feldspar Quarry, Holt, Tvedestrand, Agder, Norway |
9.5km (5.9 miles) | ⓘVåland Mine, Holt, Tvedestrand, Agder, Norway |
10.1km (6.2 miles) | ⓘSkuggestøl Pegmatite, Risør, Agder, Norway |
11.5km (7.2 miles) | ⓘSunde bridge, Snaresund, Tvedestrand, Agder, Norway |
12.9km (8.0 miles) | ⓘMoland Industrial Site, Akland, Risør, Agder, Norway |
References |
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