How to Use volcanic glass in a Sentence

volcanic glass

noun
  • It is made of dense white clouds of steam, toxic gas and tiny shards of volcanic glass.
    — Time, 22 May 2018
  • Volcanic ash is made of tiny fragments of rock and volcanic glass.
    — Erik Klemetti, Discover Magazine, 14 Sep. 2020
  • The ash, which is volcanic glass, doesn't stay in the atmosphere for long, maybe hours to weeks.
    — Erik Klemetti, Discover Magazine, 27 Apr. 2023
  • Volcanic ash is made of volcanic glass, crystals and rock fragments.
    — Erik Klemetti, Discover Magazine, 27 July 2023
  • This luxe version is made from natural volcanic glass, and has a handle dipped in rose gold.
    — Samantha Lawyer, Woman's Day, 17 Aug. 2022
  • That plume included ash, volcanic rock and volcanic glass shards known as Pele's hair.
    — Kerry Breen, CBS News, 26 May 2025
  • Made out of hydrochloric acid, steam, and shards of volcanic glass, the gas is hazardous to anyone who breathes it.
    — Rachel Becker, The Verge, 22 May 2018
  • Pele’s hair is strands of volcanic glass that can cluster together and look like tumbleweeds.
    — Eduardo Cuevas, USA Today, 27 May 2025
  • There are even some lava fountains that can create lots of volcanic ash (volcanic glass fragments).
    — Erik Klemetti, Discover Magazine, 12 May 2025
  • Obsidian is a smooth volcanic glass that makes such sharp edges that it's still used in some modern surgical tools.
    — Kiona N. Smith, Ars Technica, 18 Mar. 2018
  • The volcanic ash coming from the explosions are small particles of rock and volcanic glass, and can be spread far by winds.
    — Jason Hanna, CNN, 10 May 2018
  • When mixtures of volcanic ash, lava and volcanic glass called pumice react with water, a hard, crusty salt layer can form.
    — Ashley Strickland, CNN, 16 Mar. 2023
  • During an eruption, Pele hair – thin strands of volcanic glass – along with volcanic ash, can be brought downwind by strong winds.
    — Kathleen Wong, USA Today, 14 Nov. 2025
  • Remember that volcanic ash is pulverized pieces of volcanic glass and(or) rock, so getting that in your lungs is never good.
    — Erik Klemetti, Discover Magazine, 4 Dec. 2023
  • Perlite is a lightweight, porous volcanic glass used to improve aeration and drainage in soil and other plant mixes.
    — Michele Laufik, Martha Stewart, 10 Feb. 2026
  • Glass Buttes is one of the best places in Oregon to find — and legally gather — the volcanic glass known as obsidian.
    — oregonlive, 3 June 2021
  • The geochemical fingerprint of the cliff’s volcanic glass has been found all around the West, as well as in Canada.
    — Jim Robbins, New York Times, 20 Mar. 2023
  • Lava from the volcano has also been spewing a deadly plume containing tiny particles of volcanic glass.
    — James Rogers, Fox News, 13 June 2018
  • The lava's entry into the ocean was also producing laze -- a hazardous mix of acidic steam, hydrochloric acid gas and tiny shards of volcanic glass.
    — Faith Karimi, CNN, 8 June 2018
  • Read More | Ancient artifacts made of volcanic glass keep turning up in Canada.
    — Stories By Real-Time News Team, With Ai Summarization, Miami Herald, 11 Apr. 2025
  • In a very real way, pumice, which is mostly volcanic glass, is a snapshot of the magma that is violently exploding out of the volcano.
    — Erik Klemetti, Discover Magazine, 24 Nov. 2021
  • Volcanic ash produced by small explosions from the volcano is a mixture of tiny spheres and shards of volcanic glass, including Pele's hair.
    — Doyle Rice, USA TODAY, 1 June 2018
  • Officials at the time warned residents about laze, a nasty mashup of lava and haze that sends hydrochloric acid and volcanic glass particles into the air.
    — Mitchell McCluskey, CNN, 7 June 2023
  • On Earth, hydrated silica can form in a variety of environments, like in volcanic glass and on the ocean floor.
    — Erika K. Carlson, Discover Magazine, 9 Dec. 2019
  • Gone were the bouquets of tube worms, whirling octopuses, and meandering fish, all replaced by gleaming curtains of volcanic glass.
    — Sabrina Imbler, The Atlantic, 16 Feb. 2021
  • When this happens, water boils away, and the resulting reactions produce a noxious plume of steam, hydrochloric acid, and shards of volcanic glass.
    — Maya Wei-Haas, Smithsonian, 25 May 2018
  • In addition, Pele's hair, or strands of volcanic glass, are falling in the Saddle Road area, officials said.
    — Julia Jacobo, ABC News, 30 Nov. 2022
  • Plumes of volcanic gas, including sulfur dioxide, rise into the air, and delicate strands of volcanic glass, called Pele’s hair, float downwind.
    — David Culver, CNN, 5 Dec. 2022
  • Pele's hair -- strands of volcanic glass produced by lava fountaining activity -- can be carried more than 10 miles from the volcano's vent.
    — ABC News, 7 Nov. 2025
  • Carved from obsidian, or volcanic glass, thousands of the triangular objects, known as mata'a, litter the surface of the island.
    — Fox News, 11 Feb. 2020

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'volcanic glass.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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