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
Railway tunnel, Slevolden, Porsgrunn, Telemark, Norway


Locality type:Tunnel
Classification
Species:Aegirine
Formula:NaFe3+Si2O6
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Hambergite2
Analcime1
Albite1
Data
Mineral Data:Click here to view Aegirine data
Locality Data:Click here to view Railway tunnel, Slevolden, Porsgrunn, Telemark, Norway
Data Identifiers
Mindat Occurrence Record ID:856613
Long-form Identifier:1:3:856613:3
GUID (UUID V4):0
Nearest other occurrences of Aegirine
0.2km (0.1 miles) ⓘE18 roadcuts, Slevolden, Porsgrunn, Telemark, Norway
0.8km (0.5 miles) ⓘRønningen E 18 roadcuts, Porsgrunn, Telemark, Norway
1.5km (0.9 miles) ⓘKjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway
1.6km (1.0 miles) ⓘBjørkedalsvegen road cut 1, Kjølsrød, Bjørkedalen, Porsgrunn, Telemark, Norway
3.2km (2.0 miles) ⓘValleråsen, Porsgrunn, Telemark, Norway
4.6km (2.9 miles) ⓘRamsåskollen, Skien, Telemark, Norway
4.7km (2.9 miles) ⓘChiavennite dike, Blåfjell (E18 roadcuts), Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
4.8km (3.0 miles) ⓘFerrochiavennite dike, Blåfjell (E18 roadcuts), Kokkersvold - Blåfjell E18 roadcuts, Langangen, Porsgrunn, Telemark, Norway
6.0km (3.7 miles) ⓘBuer, Bjørkedalen, Porsgrunn, Telemark, Norway
7.9km (4.9 miles) ⓘIglestjern Quarry, Kjose, Larvik Commune, Vestfold, Norway
References
Ingulv Burvald specimen & photo
 
and/or  
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