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Topaz from
Kortka (Korthka; Korothka), Daychopan District, Zabul, Afghanistan

Classification
Species:Topaz
Formula:Al2(SiO4)(F,OH)2
Confirmation
Validity:Believed Valid
References
References:Orris, G.J., and Bliss, J.D. (2002): Mines and Mineral Occurrences of Afghanistan. United States Geological Survey Open-File Report 02-110
Data
Mineral Data:Click here to view Topaz data
Locality Data:Click here to view Kortka (Korthka; Korothka), Daychopan District, Zabul, Afghanistan
Nearest other occurrences of Topaz
101.3km (63.0 miles) A Petaw Mine, Shah Wali Kot District, Kandahar, Afghanistan
Mineral and/or Locality  
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