Category:Agate/chalcedony from Dolní Olešnice

Media in category "Agate/chalcedony from Dolní Olešnice"

The following 2 files are in this category, out of 2 total.

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  Agate chalcedony SiO2 (32741303914).jpg 4,000 × 3,000; 3.38 MB
  
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  Agate chalcedony SiO2 (33455129041).jpg 4,000 × 3,000; 3.36 MB