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
Åsmundsengen, Halden, Østfold, 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 Åsmundsengen, Halden, Østfold, Norway
Data Identifiers
Mindat Occurrence Record ID:1440967
Long-form Identifier:1:3:1440967:9
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
4.6km (2.9 miles) ⓘLundestad, Berg, Halden, Østfold, Norway
5.6km (3.5 miles) ⓘFosby 2 (Vetekollen), Berg, Halden, Østfold, Norway
6.4km (4.0 miles) ⓘSnørop, Berg, Halden, Østfold, Norway
7.1km (4.4 miles) ⓘKorsetgangen Mine, Fjell, Halden, Østfold, Norway
12.8km (7.9 miles) ⓘSetre 1 Feldspar Quarry, Setreåsen, Skjeberg, Sarpsborg, Østfold, Norway
13.4km (8.3 miles) ⓘHerrebøkasa, Aspedammen, Idd, Halden, Østfold, Norway
14.2km (8.8 miles) ⓘVestgård Feldspar Quarry, Skjeberg, Sarpsborg, Østfold, Norway
15.2km (9.4 miles) ⓘStryker I Feldspar Quarry, Degernes, Rakkestad, Østfold, Norway
16.9km (10.5 miles) ⓘOrud quarry, Rakkestad, Østfold, Norway
19.9km (12.4 miles) ⓘRolfseide I, Rakkestad, Østfold, Norway
References
Sørlie, Thor (1978) Gruve- og skjerpviksomhet i Halden kommune, 1.ærespris Halden Sparebanks Særoppgavekonkurranse 1978. 1-28
 
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