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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Ferrihydrite from
Heřmanice, Ostrava, Ostrava-City District, Moravian-Silesian Region, Czech Republic


Locality type:City Borough
Classification
Species:Ferrihydrite
Formula:Fe103+O14(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Ferrihydrite data
Locality Data:Click here to view Heřmanice, Ostrava, Ostrava-City District, Moravian-Silesian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:1533510
Long-form Identifier:1:3:1533510:4
GUID (UUID V4):0
References
Matýsek, Dalibor, Jirásek, Jakub (2022) Mineralogy of the coal waste dumps from the Czech part of the Upper Silesian Basin: Emphasized role of halides for element mobility. International Journal of Coal Geology, 264. 104138 doi:10.1016/j.coal.2022.104138
 
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