Category:Minerals of Dubnik
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Media in category "Minerals of Dubnik"
The following 2 files are in this category, out of 2 total.
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Hyalite opal andesite Dubnik.jpg 1,920 × 1,280; 373 KB
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Hyalite opal Dubnik.jpg 1,920 × 1,280; 332 KB