Did you know that glass can be made in nature? In this episode of SciShow, Michael Aranda shows you 5 types of amazing glass naturally produced in nature. Let’s go!
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https://commons.wikimedia.org/wiki/Category:Snowflake_obsidian#/media/File:Snowflake_Obsidian441.jpg
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https://commons.wikimedia.org/wiki/File:Type_II-III_fulgurite,_Ann_Arbor,_MI.jpg
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