Locality type: | Quarry |
Classification |
---|
|
Species: | 'Biotite' (not an IMA approved species) |
Formula: | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
Comments: | Large sheets > 1 sq.m, but also nicely developed smaller crystals up to minimum 5 cm. |
Confirmation |
---|
|
Validity: | Believed Valid |
Data |
---|
|
Mineral Data: | Click here to view Biotite data |
Locality Data: | Click here to view Frøyså 01 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
Data Identifiers |
---|
|
Mindat Occurrence Record ID: | 540690 |
Long-form Identifier: | 1:3:540690:6 |
GUID (UUID V4): | a9981c6f-1fa9-4e11-af39-ae026e320ecd |
Nearest other occurrences of Biotite |
---|
|
|
0.0km (0.0 miles) | ⓘFrøyså 02 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
0.0km (0.0 miles) | ⓘFrøyså 04 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
0.1km (0.0 miles) | ⓘFrøyså 03 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
0.3km (0.2 miles) | ⓘFrøyså 14 Feldspar Prospect, Frøyså, Iveland, Agder, Norway |
0.4km (0.3 miles) | ⓘFrøyså 06 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
0.5km (0.3 miles) | ⓘDalane 2 Feldspar Quarry (Bjarne Dalane's Gruve), Dalane, Iveland, Agder, Norway |
0.5km (0.3 miles) | ⓘFrøysååsen 5 Feldspar Quarry, Frøysååsen, Frøyså, Iveland, Agder, Norway |
0.8km (0.5 miles) | ⓘDalane 5 Feldspar Quarry, Dalane, Iveland, Agder, Norway |
0.8km (0.5 miles) | ⓘDalane 1 Feldspar Quarry, Dalane, Iveland, Agder, Norway |
0.9km (0.5 miles) | ⓘFrøyså 05 Feldspar Quarry, Frøyså, Iveland, Agder, Norway |
References |
---|
|
|