Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Uraninite from
Szklarska Poręba Huta granite quarry, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland


Locality type:Quarry
Classification
Species:Uraninite
Formula:UO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Uraninite data
Locality Data:Click here to view Szklarska Poręba Huta granite quarry, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:533591
Long-form Identifier:1:3:533591:6
GUID (UUID V4):0
Nearest other occurrences of Uraninite
1.0km (0.6 miles) ⓘSkalna Brama pegmatite, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
4.2km (2.6 miles) ⓘKarkonosze IG-1 borehole, Jakuszyce, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
5.7km (3.6 miles) ⓘMichałowice granite quarry, Piechowice, Karkonosze County, Lower Silesian Voivodeship, Poland
7.9km (4.9 miles) ⓘRýžoviště, Harrachov, Semily District, Liberec Region, Czech Republic
8.6km (5.4 miles) ⓘKopaniec uranium deposit, Kopaniec, Gmina Stara Kamienica, Karkonosze County, Lower Silesian Voivodeship, Poland
11.3km (7.0 miles) ⓘMedvědín uranium deposit, Medvědín, Špindlerův Mlýn, Trutnov District, Hradec Králové Region, Czech Republic
17.4km (10.8 miles) ⓘKopki Hill, Jelenia Góra, Lower Silesian Voivodeship, Poland
20.2km (12.6 miles) ⓘKrucze Skały, Karpacz, Karkonosze County, Lower Silesian Voivodeship, Poland
22.9km (14.2 miles) ⓘBudniki uranium adit No 21, Budniki, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
22.9km (14.2 miles) ⓘBudniki, Kowary, Karkonosze County, Lower Silesian Voivodeship, Poland
References
Pieczka A., Gołębiowska B. 2002: Pegmatites of the Szklarska Poręba Huta granite quarry: preliminary data on REE-mineralization. Mineralogia Polonica, vol. 20, 175-177
Mochnacka, Ksenia; Oberc-Dziedzic, Teresa; Mayer, Wojciech; Pieczka, Adam (2015) Ore mineralization related to geological evolution of the Karkonosze–Izera Massif (the Sudetes, Poland) — Towards a model. Ore Geology Reviews, 64. doi:10.1016/j.oregeorev.2014.07.001
Kozłowski, A., Matyszczak, W. (2018) Oxygenic bismuth minerals in the NE part of the Karkonosze pluton (West Sudetes, SW Poland). Acta Geologica Polonica, 68(4), 537-554.
 
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