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
Klepp 1 Feldspar Quarry, Klepp, Evje og Hornnes, Agder, Norway


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 Klepp 1 Feldspar Quarry, Klepp, Evje og Hornnes, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:1216005
Long-form Identifier:1:3:1216005:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.0km (0.6 miles) ⓘKlepp Quarry, Klepp, Evje og Hornnes, Agder, Norway
1.2km (0.7 miles) ⓘKlepp, Evje og Hornnes, Agder, Norway
2.6km (1.6 miles) ⓘVånne, Evje og Hornnes, Agder, Norway
2.9km (1.8 miles) ⓘVånne 3 Feldspar Quarry (Vånnekrysset), Vånne, Evje og Hornnes, Agder, Norway
2.9km (1.8 miles) ⓘVånne 1 Feldspar Quarry, Vånne, Evje og Hornnes, Agder, Norway
3.4km (2.1 miles) ⓘBeinmyr Feldspar Quarries (Landås 07 Quarries), Landås, Iveland, Agder, Norway
3.4km (2.1 miles) ⓘLandås 03 Feldspar Quarry, Landås, Iveland, Agder, Norway
3.5km (2.2 miles) ⓘLandås 07h Feldspar Prospect (Beinmyr 8), Beinmyr Feldspar Quarries (Landås 07 Quarries), Landås, Iveland, Agder, Norway
3.6km (2.2 miles) ⓘLandås 06 Feldspar Quarry (Landåstunnelen 2), Landås, Iveland, Agder, Norway
3.6km (2.2 miles) ⓘLandås 02 Feldspar Quarry, Landås, Iveland, Agder, Norway
References
Stensrud, S. (2009) De opptredende mineraler på granittpegmatittganger i Iveland og Evje. Unpublished paper based on 4 previous papers written together with Johan Løchen.
 
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