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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Oligoclase from
Dolní Kounice quarry, Dolní Kounice, Brno-Country District, South Moravian Region, Czech Republic


Locality type:Quarry
Classification
Species:Albite var: Oligoclase
Formula:(Na,Ca)[Al(Si,Al)Si2O8]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Oligoclase data
Locality Data:Click here to view Dolní Kounice quarry, Dolní Kounice, Brno-Country District, South Moravian Region, Czech Republic
Data Identifiers
Mindat Occurrence Record ID:487646
Long-form Identifier:1:3:487646:5
GUID (UUID V4):0
Nearest other occurrences of Oligoclase
3.1km (2.0 miles) ⓘMoravské Bránice vesuvianite occurrence (České Bránice vesuvianite occurrence; Mährisch Branitz vesuvianite occurrence; Böhmisch Branitz vesuvianite occurrence), Moravské Bránice (České Bránice; Mährisch Branitz; Böhmisch Branitz), Brno-Country District, South Moravian Region, Czech Republic
22.0km (13.6 miles) ⓘKordula, Rešice, Znojmo District, South Moravian Region, Czech Republic
43.6km (27.1 miles) ⓘVěžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
47.7km (29.7 miles) ⓘRožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
51.5km (32.0 miles) ⓘProsetín Quarry, Prosetín, Žďár nad Sázavou District, Vysočina Region, Czech Republic
54.4km (33.8 miles) ⓘPokojovice pegmatite, Pokojovice, Třebíč District, Vysočina Region, Czech Republic
63.2km (39.3 miles) ⓘArzberg, Kottaun, Geras, Horn District, Lower Austria, Austria
70.1km (43.5 miles) ⓘGraphite quarry, Wollmersdorf (Zettlitz-Wollmersdorf), Drosendorf-Zissersdorf, Horn District, Lower Austria, Austria
80.1km (49.8 miles) ⓘSchimmelsprung pegmatite occurrence, Thunau am Kamp, Gars am Kamp, Horn District, Lower Austria, Austria
82.6km (51.3 miles) ⓘBudislav quarry, Budislav, Svitavy District, Pardubice Region, Czech Republic
References
pruvodce.geol.morava.sci.muni.cz (2007) http://pruvodce.geol.morava.sci.muni.cz/Dolni_Kounice/Dolni_Kounice_text.htm
 
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