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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Aegirine from
Bjørkedalsvegen road cut 1, Kjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway


Locality type:Road Cutting
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Bjørkedalsvegen road cut 1, Kjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:1729028
Long-form Identifier:1:3:1729028:5
GUID (UUID V4):0
Nearest other occurrences of Aegirine
0.2km (0.1 miles) ⓘKjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway
1.5km (0.9 miles) ⓘE18 roadcuts, Slevolden, Porsgrunn, Telemark, Norway
1.6km (1.0 miles) ⓘRailway tunnel, Slevolden, Porsgrunn, Telemark, Norway
2.1km (1.3 miles) ⓘValleråsen, Porsgrunn, Telemark, Norway
2.3km (1.5 miles) ⓘRønningen E 18 roadcuts, Porsgrunn, Telemark, Norway
3.1km (1.9 miles) ⓘRamsåskollen, Skien, Telemark, Norway
4.6km (2.8 miles) ⓘBuer, Bjørkedalen, Porsgrunn, Telemark, Norway
5.8km (3.6 miles) ⓘChiavennite dike, Blåfjell (E18 roadcuts), Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
5.9km (3.7 miles) ⓘFerrochiavennite dike, Blåfjell (E18 roadcuts), Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
7.4km (4.6 miles) ⓘIglestjern Quarry, Kjose, Larvik Commune, Vestfold, Norway
References
Knut Edvard Larsen observation and collection 15.04.2025Identified by Knut Edvard Larsen: Visual Identification
 
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