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


Locality type:Coal Dump
Classification
Species:Magnesioferrite
Formula:MgFe23+O4
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Magnesioferrite data
Locality Data:Click here to view Heřmanice dump, Heřmanice, Ostrava, Ostrava-City District, Moravian-Silesian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:1607727
Long-form Identifier:1:3:1607727:0
GUID (UUID V4):0
Nearest other occurrences of Magnesioferrite
23.3km (14.4 miles) ⓘRydułtowy heap (Szarlota heap), ROW Ruch Rydułtowy Mine, Rydułtowy, Wodzisław County, Silesian Voivodeship, Poland
28.2km (17.5 miles) ⓘStarzykowiec coal-mining dump, Chwałowice, Rybnik, Silesian Voivodeship, Poland
41.6km (25.9 miles) ⓘDębieńsko Mine heap, Gmina Czerwionka-Leszczyny, Rybnik County, Silesian Voivodeship, Poland
65.1km (40.4 miles) ⓘBobrek heap, Bobrek, Bytom, Silesian Voivodeship, Poland
68.5km (42.6 miles) ⓘ"Alpy" dump, Wełnowiec-Józefowiec, Katowice, Silesian Voivodeship, Poland
87.9km (54.6 miles) ⓘTrzebinia waste dump, Trzebinia smelting plant, Gmina Trzebinia, Chrzanów County, Lesser Poland Voivodeship, Poland
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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