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
Fuglavatnet prospects, Tysvær, Rogaland, 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 Fuglavatnet prospects, Tysvær, Rogaland, Norway
Data Identifiers
Mindat Occurrence Record ID:948807
Long-form Identifier:1:3:948807:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
9.1km (5.6 miles) ⓘFørlandsfjorden, Tysvær, Rogaland, Norway
15.3km (9.5 miles) ⓘVigsnes Copper Mines, Karmøy Island, Karmøy, Rogaland, Norway
17.6km (10.9 miles) ⓘKrakkanuten pegmatite, Vats, Vindafjord, Rogaland, Norway
18.2km (11.3 miles) ⓘØvrabø Quarry, Bokn, Rogaland, Norway
18.3km (11.4 miles) ⓘSøndre Langaneset Quarry, Avløypeneset, Sveio, Vestland, Norway
35.1km (21.8 miles) ⓘÅrebrot, Fjøløy, Rennesøy, Rogaland, Norway
35.8km (22.2 miles) ⓘFrøvik Quarry, Vindafjord, Rogaland, Norway
35.9km (22.3 miles) ⓘFjøløya Quarry, Fjøløy, Rennesøy, Rogaland, Norway
38.3km (23.8 miles) ⓘSkår, Hjelmeland, Rogaland, Norway
38.4km (23.9 miles) ⓘRumpehaugen prospect, Rennesøy Island, Rennesøy, Rogaland, Norway
References
Geological Survey of Norway (NGU). The Ore Database (Malmdatabasen). Deposit Area 1146 - 005. Fuglavatnet
 
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