obsidian
Example Sentences
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From precolonial Mexico we discover obsidian mirrors used for divination in Mayan and Aztec ceremonies.
From The Wall Street Journal • Jan. 16, 2026
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
One gem is thought to be a rare, 2nd Century head of the Greek hero Hercules made from obsidian, a type of volcanic glass.
From BBC • May 27, 2024
The Cahuilla also charted trade corridors reaching from the Colorado River to the shores of the Pacific, where coastal tribes traded shell jewelry for obsidian tools and animal skins from the interior.
From Los Angeles Times • Apr. 28, 2024
It spread its metal wings, blinked its obsidian eyes, and flew around the room.
From "The Battle of the Labyrinth" by Rick Riordan
Vocabulary lists containing obsidian
The Lightning Thief
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Black and Gray
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Earth Science - Middle School
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