Category:Chalcedony and smoky quartz from Libuň
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Media in category "Chalcedony and smoky quartz from Libuň"
The following 3 files are in this category, out of 3 total.
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Chalcedony smoky quartz - SiO2 geode (24548769787).jpg 4,000 × 3,000; 2.59 MB
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Chalcedony smoky quartz - SiO2 geode (27637678079).jpg 4,000 × 3,000; 2.61 MB
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Chalcedony smoky quartz - SiO2 geode (27637681409).jpg 4,000 × 3,000; 2.62 MB