Volcanic glass synonyms

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(Mineralogy) a type of black glass produced by volcanoes
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(Geology) a natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma
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(Geol.) A greenish volcanic glass, similar to obsidian, with a pearly luster and multiple, minute concentric cracks, used as insulation and in making concrete, plaster, etc.
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Find another word for volcanic glass. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for volcanic glass, like: obsidian, pitchstone and perlite.