Category:Chalcedony/agate/quartz from Doubravice

Media in category "Chalcedony/agate/quartz from Doubravice"

The following 4 files are in this category, out of 4 total.

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  Chalcedony agate quartz - SiO2, on melaphyre rock (24548355477).jpg 4,000 × 3,000; 2.6 MB
  
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  Chalcedony agate quartz - SiO2, on melaphyre rock (38706211284).jpg 4,000 × 3,000; 2.62 MB
  
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  Chalcedony agate quartz - SiO2, on melaphyre rock (38706214214).jpg 4,000 × 3,000; 2.62 MB
  
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  Chalcedony agate quartz - SiO2, on melaphyre rock (39384490032).jpg 4,000 × 3,000; 2.59 MB