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Mordenite : (Na2,Ca,K2)Al2Si10O24·7H2O, Quartz (Var: Chalcedony) : SiO2

Copyright © R. Tanaka
 
 
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Mordenite : (Na2,Ca,K2)Al2Si10O24·7H2O, Quartz (Var: Chalcedony) : SiO2

Copyright © R. Tanaka  - This image is copyrighted. Unauthorized reproduction prohibited.

Beadroll chalcedony-coated mordenite.

FoV = 1.8 cm,
Olympus Zuiko MC Macro 38mm F3.5/Nikon Multiphot/Nikon D80

This Photo was Mindat.org Photo of the Day - 13th Sep 2010

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Photo added: 25th Aug 2009