Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Øvrabø Quarry, Bokn, Rogaland, 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 Øvrabø Quarry, Bokn, Rogaland, Norway
Data Identifiers
Mindat Occurrence Record ID:948724
Long-form Identifier:1:3:948724:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.4km (5.8 miles) ⓘFørlandsfjorden, Tysvær, Rogaland, Norway
17.6km (10.9 miles) ⓘÅrebrot, Fjøløy, Rennesøy, Rogaland, Norway
18.2km (11.3 miles) ⓘVigsnes Copper Mines, Karmøy Island, Karmøy, Rogaland, Norway
18.2km (11.3 miles) ⓘFuglavatnet prospects, Tysvær, Rogaland, Norway
18.4km (11.4 miles) ⓘFjøløya Quarry, Fjøløy, Rennesøy, Rogaland, Norway
22.8km (14.2 miles) ⓘRumpehaugen prospect, Rennesøy Island, Rennesøy, Rogaland, Norway
30.5km (18.9 miles) ⓘForøy Quarry, Finnøy, Rogaland, Norway
32.6km (20.3 miles) ⓘSøndre Langaneset Quarry, Avløypeneset, Sveio, Vestland, Norway
34.0km (21.1 miles) ⓘKrakkanuten pegmatite, Vats, Vindafjord, Rogaland, Norway
34.7km (21.6 miles) ⓘSkår, Hjelmeland, Rogaland, Norway
References
Norges Geologiske Undersøkelse (NGU) Natursteinsdatabasen. Øvrabø Forekomst nr.601 i Bokn (1145) kommune.
 
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