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
Höghyltan, Kävsjö, Gnosjö, Jönköping 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 Höghyltan, Kävsjö, Gnosjö, Jönköping County, Sweden
Data Identifiers
Mindat Occurrence Record ID:276012
Long-form Identifier:1:3:276012:4
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.6km (9.1 miles) ⓘHökhult pegmatite, Forsheda, Värnamo, Jönköping County, Sweden
17.1km (10.6 miles) ⓘLövåsa mountain quarry, Anderstorp, Gislaved, Jönköping County, Sweden
18.0km (11.2 miles) ⓘBjörkelund, Båraryd, Gislaved, Jönköping County, Sweden
20.9km (13.0 miles) ⓘIngelsbo pegmatite, Båraryd, Gislaved, Jönköping County, Sweden
21.2km (13.2 miles) ⓘSamset quarry, Fryele, Värnamo, Jönköping County, Sweden
29.4km (18.3 miles) ⓘSöingen quarry, Villstad, Gislaved, Jönköping County, Sweden
35.2km (21.9 miles) ⓘHok, Svenarum, Vaggeryd, Jönköping County, Sweden
39.0km (24.3 miles) ⓘÅkehall, Hjälmseryd, Sävsjö, Jönköping County, Sweden
40.8km (25.4 miles) ⓘSmålands Taberg, Månsarp, Jönköping, Jönköping County, Sweden
41.8km (26.0 miles) ⓘKällarp quarry, Barnarp, Jönköping, Jönköping County, Sweden
References
Shaikh-Persson-Sundberg-Wik: SGU Rep. 50 , 1989
 
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