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
Vånne 1 Feldspar Quarry, Vånne, 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 Vånne 1 Feldspar Quarry, Vånne, Evje og Hornnes, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:1356596
Long-form Identifier:1:3:1356596:9
GUID (UUID V4):0
Nearest other occurrences of Biotite
0.4km (0.2 miles) ⓘVånne, Evje og Hornnes, Agder, Norway
0.4km (0.2 miles) ⓘVånne 3 Feldspar Quarry (Vånnekrysset), Vånne, Evje og Hornnes, Agder, Norway
1.1km (0.7 miles) ⓘLi 04 Feldspar Quarry (Liheia), Li, Evje og Hornnes, Agder, Norway
1.2km (0.8 miles) ⓘLi 06 Feldspar Quarry, Li, Evje og Hornnes, Agder, Norway
1.4km (0.9 miles) ⓘLi 05 Feldspar Quarry, Li, Evje og Hornnes, Agder, Norway
1.8km (1.1 miles) ⓘFrikstad 31 Feldspar Prospect, Frikstad, Iveland, Agder, Norway
1.9km (1.2 miles) ⓘFrikstad 02 Feldspar Quarry (Litjern), Frikstad, Iveland, Agder, Norway
1.9km (1.2 miles) ⓘFrikstad 30 Feldspar Quarry, Frikstad, Iveland, Agder, Norway
2.3km (1.4 miles) ⓘLauvland 01 Feldspar Quarry (Skavdalen), Skavdalen, Lauvland, Evje og Hornnes, Agder, Norway
2.3km (1.4 miles) ⓘLauvland 08 Feldspar Quarry, Skavdalen, Lauvland, Evje og Hornnes, Agder, Norway
References
Collection of Iveland Municipality, Catalogue number IKM_614, photo-453120
 
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