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
Hekerová manganese deposit, Smolník, Gelnica District, Košice Region, Slovakia


Locality type:Deposit
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Hekerová manganese deposit, Smolník, Gelnica District, Košice Region, Slovakia
Data Identifiers
Mindat Occurrence Record ID:402504
Long-form Identifier:1:3:402504:7
GUID (UUID V4):0
Nearest other occurrences of Magnetite
3.7km (2.3 miles) ⓘKotlinec vein, Smolník, Gelnica District, Košice Region, Slovakia
4.7km (2.9 miles) ⓘKrivé ore occurrence, Rožňava, Rožňava District, Košice Region, Slovakia
4.9km (3.1 miles) ⓘStará Voda, Švedlár, Gelnica District, Košice Region, Slovakia
7.0km (4.4 miles) ⓘEdgar vein, Štós, Košice-okolie District, Košice Region, Slovakia
7.9km (4.9 miles) ⓘŠtósky vrch vein, Štós, Košice-okolie District, Košice Region, Slovakia
10.2km (6.3 miles) ⓘFichtenhübel deposit-western section, Smolnícka Huta, Gelnica District, Košice Region, Slovakia
10.3km (6.4 miles) ⓘZadné Porče vein, Štós, Košice-okolie District, Košice Region, Slovakia
10.8km (6.7 miles) ⓘAnton vein, Krásnohorské Podhradie, Rožňava District, Košice Region, Slovakia
11.2km (7.0 miles) ⓘFichtenhübel deposit-eastern section, Medzev, Košice-okolie District, Košice Region, Slovakia
11.4km (7.1 miles) ⓘČierna baňa, Čučma, Rožňava District, Košice Region, Slovakia
References
Koděra, Miroslav; Kolektív, A. (1986) Topografická mineralógia Slovenska. Veda Vydavatel'stvo.
Myšľan, Pavol; Števko, Martin; Sejkora, Jiří; Ružička, Peter; Mikuš, Tomáš (2025) Metamorphic manganese mineralisation bound to the metacarbonate lenses at the Smolník - Malá Hekerová deposit in the Spišsko-gemerské Rudohorie Mts., Western Carpathians (Slovakia). Mineralogy and Petrology, 119 (2). 243-258 doi:10.1007/s00710-025-00922-4
 
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