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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Gneiss from
Kopaniec uranium deposit, Kopaniec, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland


Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Kopaniec uranium deposit, Kopaniec, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1584192
Long-form Identifier:1:3:1584192:4
GUID (UUID V4):0
Nearest other occurrences of Gneiss
14.9km (9.2 miles) ⓘKaplica św. Leopolda, Proszówka, Gmina Gryfów Śląski, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
15.7km (9.7 miles) ⓘKrowia Kopa Mt., Gmina Mirsk, Lwówek Śląski County, Lower Silesian Voivodeship, Poland
19.7km (12.3 miles) ⓘOld quarry, Karpacz, Karkonosze County, Lower Silesian Voivodeship, Poland
22.8km (14.2 miles) ⓘBudniki uranium adit No 21, Budniki, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
23.2km (14.4 miles) ⓘObří důl, Pec pod Sněžkou, Trutnov District, Hradec Králové Region, Czech Republic
25.1km (15.6 miles) ⓘPodgórze Mine, Podgórze, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
25.5km (15.8 miles) ⓘWiktoria mine, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
26.3km (16.4 miles) ⓘSmolnik basalt quarry, Smolnik, Gmina Leśna, Lubań County, Lower Silesian Voivodeship, Poland
26.7km (16.6 miles) ⓘUnnamed basalt quarry, Grabiszyce Górne, Gmina Leśna, Lubań County, Lower Silesian Voivodeship, Poland
26.9km (16.7 miles) ⓘSkoki basalt quarry, Smolnik, Gmina Leśna, Lubań County, Lower Silesian Voivodeship, Poland
References
Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne.
Syczewski, Marcin Daniel, Siuda, Rafał, Parafiniuk, Jan (2023) REE Concentrations in Secondary Uranium Minerals from the Izera Metamorphic Complex (SW Poland) Minerals, 13 (7) doi:10.3390/min13070945
 
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