DEFC Thesaurus

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... > area > area type > settlement > building > building technique > building material > stone > obsidian
finds > finds material > stone > obsidian
... > area > area type > quarry > raw material > stone > obsidian
... > finds > finds type > lithics > lithic material > stone > obsidian

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obsidian  

Definition

  • Obsidian, natural glass of volcanic origin that is formed by the rapid cooling of viscous lava. Obsidian is extremely rich in silica, low in water, and has a chemical composition similar to rhyolite.

Oberbegriff

Quelle

  • Encyclopaedia Britannica - https://www.britannica.com/science/obsidian

Bearbeitungshinweis

  • 5.1

In anderen Sprachen

URI

https://vocabs.acdh.oeaw.ac.at/defcthesaurus/obsidian/3.2

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