shiny black obsidian mineraloid
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
shiny black obsidian mineraloid |
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| navigate by keyword : archeology arizona background black blue chemistry color colorado crystal dark extruded gemstone geologic geology glass igneous industrial iron jewelry lava mexico mined mineral mineraloid mining mirror naturally new obian obsidian ornamental polished rock sedimentary sediments sharp shiny stone texas tools utah volcanic volcano washington web |
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| Obian is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obian is produced when lava extruded from a volcano cools rapidly with minimal crystal growth. |
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Stockphotos.ro (c) 2026. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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