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
Risan quarry, Eksjö, 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 Risan quarry, Eksjö, Jönköping County, Sweden
Data Identifiers
Mindat Occurrence Record ID:275593
Long-form Identifier:1:3:275593:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.0km (1.9 miles) ⓘSoåsen, Eksjö, Jönköping County, Sweden
4.9km (3.1 miles) ⓘSvällebäcken quarry, Eksjö, Jönköping County, Sweden
5.4km (3.4 miles) ⓘGrimberg quarry, Eksjö, Jönköping County, Sweden
9.5km (5.9 miles) ⓘRödberget quarry, Bredestad, Nässjö, Jönköping County, Sweden
9.7km (6.0 miles) ⓘSolberga quarry, Norra Solberga, Nässjö, Jönköping County, Sweden
12.0km (7.4 miles) ⓘMurhemmet quarry, Flisby, Nässjö, Jönköping County, Sweden
14.9km (9.2 miles) ⓘNömme quartz quarry, Höreda, Eksjö, Jönköping County, Sweden
15.2km (9.4 miles) ⓘRosenberg quarry, Askeryd, Aneby, Jönköping County, Sweden
15.9km (9.9 miles) ⓘEldstorp 2-quarry, Askeryd, Aneby, Jönköping County, Sweden
16.3km (10.1 miles) ⓘEldstorp 1 Quarry, Askeryd, Aneby, Jönköping County, Sweden
References
Shaikh-Persson-Sundberg-Wik: SGU Rep. 50 , 1989
 
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