Thesaurus / obsidians

other words for obsidians

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Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

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Some of the most important varieties of acid lavas are known as trachytes, andesites, rhyolites, and obsidians.

The cochero, says that the place is known as itzlis—the obsidians, the knives.