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
Askaremåla, Oskarshamn, Kalmar County, Sweden


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 Askaremåla, Oskarshamn, Kalmar County, Sweden
Data Identifiers
Mindat Occurrence Record ID:670982
Long-form Identifier:1:3:670982:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.5km (1.0 miles) ⓘKråkemåla, Oskarshamn, Kalmar County, Sweden
6.2km (3.9 miles) ⓘÄspö Hard Rock Laboratory (Äspö underground laboratory), Oskarshamn, Kalmar County, Sweden
10.6km (6.6 miles) ⓘSolstad mine, Oskarshamn, Kalmar County, Sweden
54.0km (33.5 miles) ⓘOlserum, Gamleby, Västervik, Kalmar County, Sweden
75.9km (47.2 miles) ⓘSkrikerum Mine, Valdemarsvik, Östergötland County, Sweden
78.6km (48.8 miles) ⓘFagerhultasjön quarry, Karlstorp, Vetlanda, Jönköping County, Sweden
79.1km (49.2 miles) ⓘÄdelfors, Alseda, Vetlanda, Jönköping County, Sweden
79.7km (49.5 miles) ⓘLjunganäs quartz quarry, Karlstorp, Vetlanda, Jönköping County, Sweden
82.5km (51.2 miles) ⓘDikesgård, Slättåkra, Alseda, Vetlanda, Jönköping County, Sweden
83.6km (51.9 miles) ⓘViktors mine, Slättåkra, Alseda, Vetlanda, Jönköping County, Sweden
References
Bruun, Åke (1991)
 
and/or  
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