Obsidian in a Sentence  🔊

Definition of Obsidian

a dark black rock created from cooled lava with relatively no crystals in it

Examples of Obsidian in a sentence

Since the obsidian was easy to break, pieces of it were carved to make knives used in surgical procedures. 🔊

As a souvenir from the eruption of Mount St. Helens, I kept a chunk of the obsidian that was left from the historical flow. 🔊

With a solid black color, the obsidian could be easily spotted in the earth by its simple monochromatic color. 🔊

Geologists unearthed a pile of shards of obsidian as they dug at the site of a famous ancient volcanic eruption. 🔊

Using as a paperweight, the hard obsidian had been shaped and smoothed by a heavy duty sander. 🔊

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