Example of botryoidal crystalline crust. Dated 21st Century

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Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archival, archive, botryoidal, century, crust, crystalline, historical, history, natural, naturalnaturecrystalcrystalscrustgreenbotryoidalcrystallinemineralminerals21st, nature