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bn:00062664n
Noun Concept
Categories: Volcanic rocks, Volcanology stubs, Glass stubs, Glass in nature
EN
pitchstone  Floulite
EN
Dark acid granitic glass WordNet 3.0
Definitions
Relations
Sources
EN
Dark acid granitic glass WordNet 3.0 & Open English WordNet
Pitchstone is a dark coloured, glassy volcanic rock formed when felsic lava or magma cools quickly. Wikipedia
Dull black glassy volcanic rock Wikidata
A natural glass, rich in microscopic crystallites, formed by the rapid cooling of lava or magma. Wiktionary
Natural glass. Wiktionary (translation)
IS A
volcanic glass
igneous rock
WordNet 3.0 & Open English WordNet
EN
pitchstone
Wikipedia
EN
pitchstone
Wikidata
EN
pitchstone
Wiktionary
EN
pitchstone
Wikipedia Redirections
EN
Floulite

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