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
Fjärås, Kungsbacka, Halland County, Sweden


Locality type:Village
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 Fjärås, Kungsbacka, Halland County, Sweden
Data Identifiers
Mindat Occurrence Record ID:1595344
Long-form Identifier:1:3:1595344:1
GUID (UUID V4):0
References
Knut Edvard Larsen collection nr 3335Identified by Knut Edvard Larsen: Visual Identification, Dealer/Collection Label
 
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