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Montmorillonite from
Kateřina Coal Mine, Radvanice, Trutnov District, Hradec Králové Region, Czech Republic

Locality type:Mine
Classification
Species:Montmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
Confirmation
Validity:Believed Valid
References
References:Jirásek, J.: Thermal Changes of the Rocks in the Dump Pile of the Kateřina Colliery in Radvanice (Eastern Bohemia). Ostrava: VSB – Technical University of Ostrava, Institute of Geological Engineering - 541, 2001. 69 p.
Data
Mineral Data:Click here to view Montmorillonite data
Locality Data:Click here to view Kateřina Coal Mine, Radvanice, Trutnov District, Hradec Králové Region, Czech Republic
Nearest other occurrences of Montmorillonite
48.3km (30.0 miles) Želechov Valley, Košťálov, Semily District, Liberec Region, Czech Republic
48.6km (30.2 miles) Andrzej I quarry (Krakowski quarry; Żółkiewka I quarry), Żółkiewka, Gmina Strzegom, Świdnica County, Lower Silesian Voivodeship, Poland
49.2km (30.6 miles) Szeroka quarry (Breitenberg quarry), Strzegom, Gmina Strzegom, Świdnica County, Lower Silesian Voivodeship, Poland
49.3km (30.6 miles) Fluorite deposit, Harrachov, Semily District, Liberec Region, Czech Republic
49.9km (31.0 miles) Doubravice, Jičín District, Hradec Králové Region, Czech Republic
51.2km (31.8 miles) Kopaniec, Jelenia Góra County, Lower Silesian Voivodeship, Poland
56.2km (34.9 miles) Černá skála quarry, Proruby, Rychnov nad Kněžnou District, Hradec Králové Region, Czech Republic
56.4km (35.0 miles) Trupień quarry, Gmina Męcinka, Jawor County, Lower Silesian Voivodeship, Poland
56.8km (35.3 miles) Votrubec quarry, Semily District, Liberec Region, Czech Republic
57.6km (35.8 miles) Kopista, Gmina Męcinka, Jawor County, Lower Silesian Voivodeship, Poland
 
Mineral and/or Locality  
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