porous volcanic rock possibly basalt pumice displaying numerous small holes and |
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navigate by keyword : wood white volcanic typical trapped texture surface soil small shape sand rough rocks rock rapid quickly pumice porous organ numerous nature monochrome matte lightweight leaf lava jewellery irregular iron inside holes gray geology gas formed food finish eruptions displaying dark cooled circle characteristic bubbles black basalt asphalt appears aigenerated |
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Porous volcanic rock, possibly basalt or pumice, displaying numerous small holes and a rough texture. The surface appears dark gray or black with a matte finish, characteristic of lava rocks cooled quickly with gas bubbles trapped inside. Its irregular shape and lightweight nature are typical, often formed from rapid volcanic eruptions. |
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