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 Middle Lauvrak Quarry, Lauvrak, Froland, Agder, Norway |
Data Identifiers |
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Mindat Occurrence Record ID: | 1218983 |
Long-form Identifier: | 1:3:1218983:2 |
GUID (UUID V4): | 4d901ff6-b4a5-4ed9-a7b8-3430841803c1 |
Nearest other occurrences of Biotite |
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0.5km (0.3 miles) | ⓘNorthern Lauvrak Quarry, Lauvrak, Froland, Agder, Norway |
0.6km (0.3 miles) | ⓘIsaksfjell, Lauvrak, Froland, Agder, Norway |
0.8km (0.5 miles) | ⓘLauvrak, Froland, Agder, Norway |
1.4km (0.9 miles) | ⓘRundomsmyråsen, Froland, Agder, Norway |
1.5km (0.9 miles) | ⓘBjellåsen, Froland, Agder, Norway |
1.6km (1.0 miles) | ⓘRevefjell 1, Revefjell, Froland, Agder, Norway |
1.7km (1.0 miles) | ⓘHellheia nordre quarry (Hellheia 2), Hellheia, Froland, Agder, Norway |
1.7km (1.1 miles) | ⓘNordre Bjellåsen (Bjellåsen 5), Bjellåsen, Froland, Agder, Norway |
1.8km (1.1 miles) | ⓘFisketjønn (Bjellåsen 6), Bjellåsen, Froland, Agder, Norway |
1.9km (1.2 miles) | ⓘHellheia midtre quarry (Hellheia 1), Hellheia, Froland, Agder, Norway |
References |
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