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 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:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Klepp Quarry, Klepp, Evje og Hornnes, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:1493820
Long-form Identifier:1:3:1493820:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.3km (0.2 miles) ⓘKlepp, Evje og Hornnes, Agder, Norway
1.0km (0.6 miles) ⓘKlepp 1 Feldspar Quarry, Klepp, Evje og Hornnes, Agder, Norway
3.3km (2.1 miles) ⓘVånne, Evje og Hornnes, Agder, Norway
3.5km (2.2 miles) ⓘVånne 3 Feldspar Quarry (Vånnekrysset), Vånne, Evje og Hornnes, Agder, Norway
3.7km (2.3 miles) ⓘVånne 1 Feldspar Quarry, Vånne, Evje og Hornnes, Agder, Norway
4.4km (2.7 miles) ⓘLandås 03 Feldspar Quarry, Landås, Iveland, Agder, Norway
4.4km (2.7 miles) ⓘBeinmyr Feldspar Quarries (Landås 07 Quarries), Landås, Iveland, Agder, Norway
4.5km (2.8 miles) ⓘLandås 07h Feldspar Prospect (Beinmyr 8), Beinmyr Feldspar Quarries (Landås 07 Quarries), Landås, Iveland, Agder, Norway
4.6km (2.9 miles) ⓘLandås 02 Feldspar Quarry, Landås, Iveland, Agder, Norway
4.6km (2.9 miles) ⓘLandås 06 Feldspar Quarry (Landåstunnelen 2), Landås, Iveland, Agder, Norway
References
(n.d.) Evje og Hornnes geomuseum Fennefoss Collection.
 
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