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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Plagioclase from
Frikstad 10 Feldspar Quarry (Stemyr), Frikstad, Iveland, Agder, Norway


Locality type:Quarry
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Frikstad 10 Feldspar Quarry (Stemyr), Frikstad, Iveland, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:539670
Long-form Identifier:1:3:539670:2
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
0.3km (0.2 miles) ⓘFrikstad 09 Feldspar Quarry (Steli), Frikstad, Iveland, Agder, Norway
0.7km (0.4 miles) ⓘFrikstad 11 Feldspar Quarry (Småliane), Frikstad, Iveland, Agder, Norway
0.8km (0.5 miles) ⓘFrikstad 12 Feldspar Quarry (Høyland), Frikstad, Iveland, Agder, Norway
1.1km (0.7 miles) ⓘBirkeland 03 Feldspar Quarry, Birkeland, Iveland, Agder, Norway
1.1km (0.7 miles) ⓘBirkeland 01 Feldspar Quarry, Birkeland, Iveland, Agder, Norway
1.1km (0.7 miles) ⓘFrikstad 04 Feldspar Quarry (Dauren), Frikstad, Iveland, Agder, Norway
1.1km (0.7 miles) ⓘFrikstad 03 Feldspar Quarry (Tuftane), Frikstad, Iveland, Agder, Norway
1.2km (0.7 miles) ⓘKåbuland 01 Feldspar Quarry (Amerika), Kåbuland, Iveland, Agder, Norway
1.2km (0.7 miles) ⓘBirkeland 04 Feldspar Quarry, Birkeland, Iveland, Agder, Norway
1.2km (0.7 miles) ⓘFrikstad 07 Feldspar Quarry, Frikstad, Iveland, Agder, Norway
References
Bjørlykke, Knut (1935) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4). 211-311
 
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