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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Nontronite from
Malmberget, Gällivare, Norrbotten County, Sweden


Locality type:Town
Classification
Species:Nontronite
Formula:Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nontronite data
Locality Data:Click here to view Malmberget, Gällivare, Norrbotten County, Sweden
Data Identifiers
Mindat Occurrence Record ID:918742
Long-form Identifier:1:3:918742:9
GUID (UUID V4):0
References
Bergeat, A. (1914): Nontronit von Gellivare (Lappland). Centralblatt für Mineralogie, Geologie und Paläontologie. 1914, 105-108
 
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