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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Quartz from
Diely manganese ore occurrence, Poráč, Spišská Nová Ves District, Košice Region, Slovakia


Locality type:Occurrence
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Diely manganese ore occurrence, Poráč, Spišská Nová Ves District, Košice Region, Slovakia
Data Identifiers
Mindat Occurrence Record ID:1592685
Long-form Identifier:1:3:1592685:4
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.8km (0.5 miles) ⓘHolý vrch veins, Poráč, Spišská Nová Ves District, Košice Region, Slovakia
0.9km (0.6 miles) ⓘFajferný hrb veins, Poráč, Spišská Nová Ves District, Košice Region, Slovakia
1.0km (0.6 miles) ⓘLefková veins, Poráč, Spišská Nová Ves District, Košice Region, Slovakia
2.1km (1.3 miles) ⓘDroždiak vein, Rudňany, Spišská Nová Ves District, Košice Region, Slovakia
2.3km (1.4 miles) ⓘKrivé pole veins, Švedlár, Gelnica District, Košice Region, Slovakia
2.7km (1.7 miles) ⓘHrubá vein, Rudňany, Spišská Nová Ves District, Košice Region, Slovakia
3.3km (2.1 miles) ⓘMalinová hora vein, Švedlár, Gelnica District, Košice Region, Slovakia
3.4km (2.1 miles) ⓘRHV-1 borehole, Rudňany, Spišská Nová Ves District, Košice Region, Slovakia
3.8km (2.4 miles) ⓘSivá vein, Švedlár, Gelnica District, Košice Region, Slovakia
4.4km (2.8 miles) ⓘŠajkán vein, Nálepkovo, Gelnica District, Košice Region, Slovakia
References
Martin Števko & Pavol Myšľan, EPMA-WDS confirmedIdentified by Martin Stevko: SEM-WDS
Myšľan, Pavol; Števko, Martin; Mikuš, Tomáš; Vrtiška, Luboš (2025) Mineralogy and genetic considerations of the metamorphosed As-rich manganese ore mineralisation at the Diely occurrence near Poráč (Northern Gemeric Unit, Western Carpathians, Slovakia). Mineralogical Magazine, 89 (1). 71-91 doi:10.1180/mgm.2024.51
 
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