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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Heulandite Subgroup from
Ravneberget Quarry, Søndeled, Risør, Agder, Norway


Locality type:Quarry
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz1
Calcite1
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Ravneberget Quarry, Søndeled, Risør, Agder, Norway
Data Identifiers
Mindat Occurrence Record ID:169649
Long-form Identifier:1:3:169649:3
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
4.1km (2.5 miles) ⓘMoland Industrial Site, Akland, Risør, Agder, Norway
21.8km (13.5 miles) ⓘØstland, Kragerø, Telemark, Norway
23.2km (14.4 miles) ⓘValberg Quarry, Valberg, Kragerø, Telemark, Norway
30.9km (19.2 miles) ⓘTømmerkaia, Eydehavn, Stokken, Arendal, Agder, Norway
32.1km (20.0 miles) ⓘMørefjær Feldspar Quarry (Mörefjer), Stokken, Arendal, Agder, Norway
32.3km (20.1 miles) ⓘGamle Mørefjær Mine (Mørfjær Mine), Neskilen Mines, Arendal, Agder, Norway
37.7km (23.4 miles) ⓘTorbjørnsbu Mine, Barbudalen, Arendal, Agder, Norway
43.5km (27.0 miles) ⓘRannekleiv Mine, Øyestad, Arendal, Agder, Norway
53.6km (33.3 miles) ⓘA/S Granit Quarry, Tuften, Tvedalen, Larvik Commune, Vestfold, Norway
54.2km (33.7 miles) ⓘØstskogen Quarry, Tvedalen, Larvik Commune, Vestfold, Norway
References
Breivik, Harald (2001) Mineralene i Ravneberget pukkverk, Søndeled. Norsk Bergverksmuseum Skrift, 18. 31-36
Nordrum, Fred Steinar (2001) Neue Mineralienfunde aus Norwegen [New mineral discoveries from Norway]. Mineralien-Welt, 12 (5). 62-64
 
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