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
Bråneryd quarry, Huskvarna, Jönköping, 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 Bråneryd quarry, Huskvarna, Jönköping, Jönköping County, Sweden
Data Identifiers
Mindat Occurrence Record ID:275523
Long-form Identifier:1:3:275523:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.2km (0.7 miles) ⓘVissmålen quarry, Rogberga, Jönköping, Jönköping County, Sweden
9.6km (6.0 miles) ⓘMad quarry, Skärstad, Jönköping, Jönköping County, Sweden
9.8km (6.1 miles) ⓘVista kulle quarry, Skärstad, Jönköping, Jönköping County, Sweden
9.8km (6.1 miles) ⓘMariebo quarry, Sofia, Jönköping, Jönköping County, Sweden
10.1km (6.3 miles) ⓘUbbarp quarry, Barnarp, Jönköping, Jönköping County, Sweden
13.1km (8.2 miles) ⓘLabbarp quarry, Bankeryd, Jönköping, Jönköping County, Sweden
13.7km (8.5 miles) ⓘKällarp quarry, Barnarp, Jönköping, Jönköping County, Sweden
15.2km (9.4 miles) ⓘGröpshult quarry, Järstorp, Jönköping, Jönköping County, Sweden
16.2km (10.1 miles) ⓘSmålands Taberg, Månsarp, Jönköping, Jönköping County, Sweden
20.8km (12.9 miles) ⓘTossehall quarry, Ölmstad, Jönköping, Jönköping County, Sweden
References
Shaikh-Persson-Sundberg-Wik: SGU Rep. 50 , 1989
 
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