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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Fergusonite-(Y) from
Michałowice granite quarry, Piechowice, Karkonosze County, Lower Silesian Voivodeship, Poland


Locality type:Quarry
Classification
Species:Fergusonite-(Y)
Formula:YNbO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Fergusonite-(Y) data
Locality Data:Click here to view Michałowice granite quarry, Piechowice, Karkonosze County, Lower Silesian Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1606486
Long-form Identifier:1:3:1606486:9
GUID (UUID V4):0
Nearest other occurrences of Fergusonite-(Y)
4.9km (3.0 miles) ⓘRudzianki pegmatite, Zachełmie, Gmina Podgórzyn, Karkonosze County, Lower Silesian Voivodeship, Poland
6.3km (3.9 miles) ⓘSzklarska Poręba Huta granite quarry, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
7.3km (4.5 miles) ⓘSkalna Brama pegmatite, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
10.2km (6.4 miles) ⓘKönigstein pegmatite, Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland
11.4km (7.1 miles) ⓘKopki Hill, Jelenia Góra, Lower Silesian Voivodeship, Poland
11.7km (7.3 miles) ⓘSosnówka #2 pegmatite, Sosnówka, Gmina Podgórzyn, Karkonosze County, Lower Silesian Voivodeship, Poland
11.9km (7.4 miles) ⓘSosnówka #1 pegmatite, Sosnówka, Gmina Podgórzyn, Karkonosze County, Lower Silesian Voivodeship, Poland
18.5km (11.5 miles) ⓘKarpniki #3 pegmatite, Krogulec, Gmina Mysłakowice, Karkonosze County, Lower Silesian Voivodeship, Poland
19.0km (11.8 miles) ⓘKarpniki #4 pegmatite, Karpniki, Gmina Mysłakowice, Karkonosze County, Lower Silesian Voivodeship, Poland
20.2km (12.5 miles) ⓘKarpniki pegmatite, Karpniki, Gmina Mysłakowice, Karkonosze County, Lower Silesian Voivodeship, Poland
References
Lis, Józef, Sylwestrzak, Hubert (1986) Minerały Dolnego Śląska [Minerals of the Lower Silesia]. Wydawnictwa Geologiczne.
 
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