Category:Hydrothermal veins in the Czech Republic
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Media in category "Hydrothermal veins in the Czech Republic"
The following 2 files are in this category, out of 2 total.
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Breccia (hydrothermal vein rock from mine near Joachimsthal, Bohemia).jpg 2,919 × 2,398; 5.72 MB
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Pyrite-bearing hydrothermal vein (mine near Joachimsthal, Bohemia).jpg 2,130 × 1,508; 2.46 MB