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
Hjertnesåsen (Ranvikmyra), Sandefjord, Vestfold, Norway


Locality type:Tunnel
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
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Hjertnesåsen (Ranvikmyra), Sandefjord, Vestfold, Norway
Data Identifiers
Mindat Occurrence Record ID:619352
Long-form Identifier:1:3:619352:2
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
1.7km (1.1 miles) ⓘHaga, Vesterøya, Sandefjord, Vestfold, Norway
2.2km (1.4 miles) ⓘHusebyåsen prospect, Vesterøya, Sandefjord, Vestfold, Norway
3.0km (1.9 miles) ⓘHafallen, Østerøya, Sandefjord, Vestfold, Norway
3.3km (2.1 miles) ⓘRoad cut Helgerødveien, Sandefjord, Vestfold, Norway
3.9km (2.4 miles) ⓘBellavitaåsen South, Søndre Sunde, Østerøya, Sandefjord, Vestfold, Norway
6.0km (3.7 miles) ⓘAasmund Berg Quarries, Fokserød, Sandefjord, Vestfold, Norway
6.3km (3.9 miles) ⓘSkallist Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
7.1km (4.4 miles) ⓘKlåstad Quarry, Klåstad, Tjølling, Larvik Commune, Vestfold, Norway
16.4km (10.2 miles) ⓘMidtfjellet Quarry, Malerød, Larvik Commune, Vestfold, Norway
16.5km (10.3 miles) ⓘResidental Lot along RV 301, Stavern (Fredriksvärn), Larvik Commune, Vestfold, Norway
References
Berge, Svein A., Hansen, Ragnar (1975) Mineraler fra Sandefjord. NAGS-NYTT, 2 (2) 10-12
Larsen, Alf Olav (2002) Zeolitter fra syenittpegmatittene i Oslofeltet [Zeolites from the syenite pegmatites in the Oslo area]. Norsk Bergverksmuseum Skrift, 20. 60-65
 
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