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Opal from
Dukovany, Moravský Krumlov, Znojmo District, South Moravian Region, Czech Republic

Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
References
References:Slavíček, P, Beneš, M.: Zajímavý výskyt opálů v Dukovanech na Třebíčsku. Časopis pro mineralogii a geologii, 1985, roč. 30, č. 3, s. 333.
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Dukovany, Moravský Krumlov, Znojmo District, South Moravian Region, Czech Republic
Nearest other occurrences of Opal
8.9km (5.5 miles) U Pustého Mlýna Quarry, Hrubšice, Oslavany, Brno-Country District, South Moravian Region, Czech Republic
11.5km (7.2 miles) serpentinite, Nová Ves, Oslavany, Brno-Country District, South Moravian Region, Czech Republic
37.1km (23.1 miles) Dobrá Voda, Křižanov, Žďár nad Sázavou District, Vysočina Region, Czech Republic
41.5km (25.8 miles) Věžná serpentinite quarry, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
41.6km (25.8 miles) Věžná I pegmatite, Věžná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
43.8km (27.2 miles) Smrček, Bystřice nad Pernštejnem, Žďár nad Sázavou District, Vysočina Region, Czech Republic
44.3km (27.5 miles) Wolfsbach, Drosendorf-Zissersdorf, Waldviertel, Lower Austria, Austria
44.7km (27.8 miles) Rožná pegmatite (Rozna; Roschna), Rožná, Žďár nad Sázavou District, Vysočina Region, Czech Republic
44.8km (27.9 miles) Unnamed quarry ("Andradite quarry"), Kottaun, Geras, Waldviertel, Lower Austria, Austria
45.9km (28.5 miles) Granite quarry, Leodagger, Pulkau, Weinviertel, Lower Austria, Austria
 
Mineral and/or Locality  
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