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Biotite from
Grimsdalsgruva, Folldal Mines, Folldal, Innlandet, Norway


Locality type:Mine
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 Grimsdalsgruva, Folldal Mines, Folldal, Innlandet, Norway
Data Identifiers
Mindat Occurrence Record ID:1310954
Long-form Identifier:1:3:1310954:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.6km (1.6 miles) ⓘSøndre Geitryggen Mines, Folldal Mines, Folldal, Innlandet, Norway
4.2km (2.6 miles) ⓘNygruva, Folldal Mines, Folldal, Innlandet, Norway
9.5km (5.9 miles) ⓘHovedgruva, Folldal Mines, Folldal, Innlandet, Norway
14.4km (9.0 miles) ⓘNordre Geitryggen Mine, Folldal Mines, Folldal, Innlandet, Norway
26.8km (16.6 miles) ⓘKolla, Oppdal, Trøndelag, Norway
55.6km (34.6 miles) ⓘKaltberget Mine, Kvikne, Tynset, Innlandet, Norway
55.7km (34.6 miles) ⓘOlkar Mine, Kvikne, Tynset, Innlandet, Norway
56.8km (35.3 miles) ⓘSøndre Berstjern Prospect, Kvikne Mines, Tynset, Innlandet, Norway
56.8km (35.3 miles) ⓘMidtre Berstjern Prospect, Kvikne Mines, Tynset, Innlandet, Norway
57.7km (35.8 miles) ⓘKojan Prospects, Kvikne Mines, Tynset, Innlandet, Norway
References
Geological Survey of Norway. The Ore Database. Deposit Area 08.feb.2017. Grimsdalen.
 
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