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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Plagioclase from
Sadisdorf, Dippoldiswalde, Sächsische Schweiz-Osterzgebirge, Saxony, Germany


Locality type:Mine
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Sadisdorf, Dippoldiswalde, Sächsische Schweiz-Osterzgebirge, Saxony, Germany
Data Identifiers
Mindat Occurrence Record ID:95376
Long-form Identifier:1:3:95376:6
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
27.5km (17.1 miles) ⓘEclogite outcrop, Forchheim, Pockau-Lengefeld, Erzgebirgskreis, Saxony, Germany
30.5km (19.0 miles) ⓘSaidenbach reservoir, Forchheim, Pockau-Lengefeld, Erzgebirgskreis, Saxony, Germany
34.1km (21.2 miles) ⓘSerpentinite quarry, Zöblitz, Marienberg, Erzgebirgskreis, Saxony, Germany
42.1km (26.2 miles) ⓘRoztoky Intrusive Centre, Roztoky, Povrly, Ústí nad Labem District, Ústí nad Labem Region, Czech Republic
42.3km (26.3 miles) ⓘLinhorka Hill, Staré, Třebívlice, Litoměřice District, Ústí nad Labem Region, Czech Republic
42.4km (26.4 miles) ⓘStruthwald quarries, Niederwiesa, Mittelsachsen, Saxony, Germany
43.8km (27.2 miles) ⓘŽelkovice, Louny District, Ústí nad Labem Region, Czech Republic
44.7km (27.8 miles) ⓘBraunsdorf, Niederwiesa, Mittelsachsen, Saxony, Germany
45.5km (28.3 miles) ⓘJedlka, Malá Veleň, Děčín District, Ústí nad Labem Region, Czech Republic
50.6km (31.5 miles) ⓘBýčkovice Intrusions, Býčkovice, Litoměřice District, Ústí nad Labem Region, Czech Republic
References
Wittern, Artur (2001) Mineralfundorte und ihre Minerale in Deutschland (1st ed.) Schweizerbart, Stuttgart.
Leopardi, Dino, Gutzmer, Jens, Lehmann, Bernd, Burisch, Mathias (2024) The Spatial and Temporal Evolution of the Sadisdorf Li-Sn-(W-Cu) Magmatic-Hydrothermal Greisen and Vein System, Eastern Erzgebirge, Germany. Economic Geology, 119 (4) 771-803 doi:10.5382/econgeo.5077
 
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