Content of: Picture of the Day 06/14/25 - Wikimedia Commons
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06/14/25 at 12:16PM
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Photography
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Dioptase with calcite and minrecordite - Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia (5.5×4cm).
Didier Descouens, CC BY-SA 3.0, via Wikimedia Commons. View source.
