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Biotite from
Randesund Quarry, Kristiansand, Agder, Norway


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
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Randesund Quarry, Kristiansand, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:1349971
Long-form Identifier:1:3:1349971:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.3km (4.5 miles) ⓘKvivikdalen Manganese Mine, Ålefjær, Kristiansand, Agder, Norway
7.3km (4.5 miles) ⓘKongegruva Limestone Mine, Kalkheia, Kristiansand, Agder, Norway
14.5km (9.0 miles) ⓘGlamsland Feldspar Quarry, Lillesand, Agder, Norway
25.2km (15.7 miles) ⓘReiersdal Nedre, Reiersdal Feldspar Quarries, Øvrebø, Vennesla, Agder, Norway
27.9km (17.3 miles) ⓘTveit 01 Feldspar Quarry, Tveit, Iveland, Agder, Norway
28.5km (17.7 miles) ⓘTveit 04 Feldspar Quarry, Tveit, Iveland, Agder, Norway
29.0km (18.0 miles) ⓘTveit 02 Feldspar Quarry (Varmekrekken), Tveit, Iveland, Agder, Norway
29.0km (18.0 miles) ⓘTveit 06 Feldspar Quarry (Hallvard Tveit's Quarry), Tveit, Iveland, Agder, Norway
29.1km (18.1 miles) ⓘTveit 05 Feldspar Quarry (Gumpen), Tveit, Iveland, Agder, Norway
29.3km (18.2 miles) ⓘSteli Feldspar Quarry (Tveit 03), Tveit, Iveland, Agder, Norway
References
Geological Survey of Norway (NGU). Pukkdatabasen). Deposit Area 1001 - 507. Randesund pukkverk.
 
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