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
Ljunganäs quartz quarry, Karlstorp, Vetlanda, Jönköping County, Sweden


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 Ljunganäs quartz quarry, Karlstorp, Vetlanda, Jönköping County, Sweden
Data Identifiers
Mindat Occurrence Record ID:275928
Long-form Identifier:1:3:275928:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.4km (0.9 miles) ⓘFagerhultasjön quarry, Karlstorp, Vetlanda, Jönköping County, Sweden
9.9km (6.2 miles) ⓘÄdelfors, Alseda, Vetlanda, Jönköping County, Sweden
12.3km (7.6 miles) ⓘDikesgård, Slättåkra, Alseda, Vetlanda, Jönköping County, Sweden
12.9km (8.0 miles) ⓘViktors mine, Slättåkra, Alseda, Vetlanda, Jönköping County, Sweden
13.5km (8.4 miles) ⓘSlättåkra quartz quarry (Alseda), Slättåkra, Alseda, Vetlanda, Jönköping County, Sweden
14.1km (8.8 miles) ⓘLindås, Alseda, Vetlanda, Jönköping County, Sweden
18.0km (11.2 miles) ⓘFurudal quarry, Bäckseda, Vetlanda, Jönköping County, Sweden
18.4km (11.4 miles) ⓘBråtåkra quarry, Bäckseda, Vetlanda, Jönköping County, Sweden
20.2km (12.6 miles) ⓘSjöholmen quarry, Bäckseda, Vetlanda, Jönköping County, Sweden
24.6km (15.3 miles) ⓘNömme quartz quarry, Höreda, Eksjö, Jönköping County, Sweden
References
Shaikh-Persson-Sundberg-Wik: SGU Rep. 50 , 1989
 
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