obsidian
Example Sentences
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On Earth, volcanic glass such as obsidian is an example of silica-rich material.
From Science Daily ● Oct. 7, 2026
From precolonial Mexico we discover obsidian mirrors used for divination in Mayan and Aztec ceremonies.
From The Wall Street Journal ● Jan. 16, 2026
“All is fair where you wear the crown,” snipes Gal Gadot’s evil queen, who wears slinky ballgowns made of obsidian shards that clatter and clank with every step.
From Los Angeles Times ● Mar. 19, 2025
Like obsidian, in fact, their edges are sharp but the shards have an almost twirly shape and lack the crystalline structure of black-colored minerals like augite or tourmaline.
From Salon ● Mar. 4, 2025
They stood on wide, flat oblong slabs of obsidian that hovered over the amethyst rails.
From "Tristan Strong Punches a Hole in the Sky" by Kwame Mbalia
Vocabulary lists containing obsidian
The Lightning Thief
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Earth Science - Middle School
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