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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Hercynite from
Popiel Mt., Janowice Wielkie, Gmina Janowice Wielkie, Karkonosze County, Lower Silesian Voivodeship, Poland


Locality type:Mountain
Classification
Species:Hercynite
Formula:Fe2+Al2O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Hercynite data
Locality Data:Click here to view Popiel Mt., Janowice Wielkie, Gmina Janowice Wielkie, Karkonosze County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1576885
Long-form Identifier:1:3:1576885:2
GUID (UUID V4):0
Nearest other occurrences of Hercynite
19.4km (12.1 miles) ⓘKrzeniów basalt quarry, Biegoszów, Gmina Świerzawa, Złotoryja County, Lower Silesian Voivodeship, Poland
25.2km (15.7 miles) ⓘPielgrzymka basalt quarry, Pielgrzymka, Gmina Pielgrzymka, Złotoryja County, Lower Silesian Voivodeship, Poland
26.8km (16.6 miles) ⓘKopaniec uranium deposit, Kopaniec, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland
42.8km (26.6 miles) ⓘJizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
48.1km (29.9 miles) ⓘBrusznik stream alluvials, Leśna, Gmina Leśna, Lubań County, Lower Silesian Voivodeship, Poland
51.7km (32.2 miles) ⓘChmielina Mountain, Bielawa, Dzierżoniów County, Lower Silesian Voivodeship, Poland
54.1km (33.6 miles) ⓘŁomna hill, Gmina Platerówka, Lubań County, Lower Silesian Voivodeship, Poland
54.3km (33.7 miles) ⓘPrzygórze heap, Bolesław Mine, Przygórze, Gmina Nowa Ruda, Kłodzko County, Lower Silesian Voivodeship, Poland
89.9km (55.8 miles) ⓘLöbauer Berg, Löbau, Görlitz District, Saxony, Germany
References
Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne.
 
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