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


Locality type:Coal Dump
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Magnetite 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:1607725
Long-form Identifier:1:3:1607725:2
GUID (UUID V4):0
Nearest other occurrences of Magnetite
14.7km (9.1 miles) ⓘŘepiště teschenite outcrops, Řepiště, Frýdek-Místek District, Moravian-Silesian Region, Czech Republic
18.0km (11.2 miles) ⓘŽermanice Quarry, Žermanice, Frýdek-Místek District, Moravian-Silesian Region, Czech Republic
18.2km (11.3 miles) ⓘTeschenite Outcrop, Bruzovice, Frýdek-Místek District, Moravian-Silesian Region, Czech Republic
20.7km (12.9 miles) ⓘBorošín Teschenite Occurrences, Brušperk, Frýdek-Místek District, Moravian-Silesian Region, Czech Republic
25.8km (16.0 miles) ⓘBaška outcrops, Baška, Frýdek-Místek District, Moravian-Silesian Region, Czech Republic
34.5km (21.4 miles) ⓘTichá outcrop, Tichá, Nový Jičín District, Moravian-Silesian Region, Czech Republic
39.8km (24.7 miles) ⓘČertův mlýn, Bludovice, Nový Jičín, Nový Jičín District, Moravian-Silesian Region, Czech Republic
49.0km (30.4 miles) ⓘSkalny dump, Łaziska Górne, Mikołów County, Silesian Voivodeship, Poland
51.8km (32.2 miles) ⓘHorní Benešov mines, Horní Benešov, Bruntál District, Moravian-Silesian Region, Czech Republic
59.0km (36.6 miles) ⓘNízký Jeseník Upland, Bruntál District, Moravian-Silesian Region, Czech Republic
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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