Volcanic glass synonyms
Part of speech:
(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.
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.