Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Biotite from
Sellevoll Iron prospect, Andøya, Andøy Municipality, Nordland, Norway


Locality type:Prospect
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 Sellevoll Iron prospect, Andøya, Andøy Municipality, Nordland, Norway
Data Identifiers
Mindat Occurrence Record ID:1464803
Long-form Identifier:1:3:1464803:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
35.0km (21.8 miles) ⓘSørvågmælen Sulphide Prospect, Øksnes, Nordland, Norway
37.1km (23.0 miles) ⓘBerg Mine, Kvæfjord, Troms og Finnmark, Norway
41.8km (26.0 miles) ⓘGåsfjorden Copper Prospect, Sortland, Nordland, Norway
44.2km (27.5 miles) ⓘSmines, Øksnes, Nordland, Norway
44.3km (27.5 miles) ⓘSkogsøy, Vesterålen archipelago, Nordland, Norway
44.5km (27.6 miles) ⓘSvinøy, Øksnes, Nordland, Norway
46.1km (28.6 miles) ⓘHjellsand Iron Prospects, Øksnes, Nordland, Norway
48.9km (30.4 miles) ⓘGrønjorda Copper Prospect, Sortland, Nordland, Norway
50.5km (31.4 miles) ⓘSkoltneset Copper Prospect, Øksnes, Nordland, Norway
60.4km (37.5 miles) ⓘMøkland, Bø, Nordland, Norway
References
(2005) Deposit Area 1871 - 006. Sellevoll. The Ore Database, Geological Survey of Norway.
 
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