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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Ferrihollandite from
Upper manganese ravine, Stuor-Njåske, Ultevis, Jokkmokk, Norrbotten County, Sweden


Locality type:Outcrop
Classification
Species:Ferrihollandite
Formula:Ba(Mn64+Fe23+)O16
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferrihollandite data
Locality Data:Click here to view Upper manganese ravine, Stuor-Njåske, Ultevis, Jokkmokk, Norrbotten County, Sweden
Data Identifiers
Mindat Occurrence Record ID:1604729
Long-form Identifier:1:3:1604729:7
GUID (UUID V4):0
References
Sandström, Frej (1997) Manganmineraliseringen i Ultevis [The manganese mineralization in Ultevis]. Litofilen. Medlemsblad för Västerås AmatörGeologiska Sällskap, 14 (2) 20-34
 
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